Answers
Answer:
1.
A system formed by an ecological community and its environment that functions as a unit.
2.
The interconnectedness of organisms (plants, animals, microbes) with each other and their environment.
3.
business, marketing A set of interconnected products and services.
Answer:
Explanation:El ecosistema es el conjunto de especies de un área determinada que interactúan entre ellas y con su ambiente abiótico; mediante procesos como la depredación, el parasitismo, la competencia y la simbiosis, y con su ambiente al desintegrarse y volver a ser parte del ciclo de energía y de nutrientes
Related Questions
What type of plants contain two cotyledon?
A. Dicots
B. Monocots
C. Unicots
D. Multicots
Answers
Answer:
A. Dicots
Explanation:
A monocot, which an abbreviation for monocotyledon, will have only one cotyledon and a dicot, or dicotyledon, will have two cotyledons.
Consider the regulation of galactose metabolism through GAL4. Which of the following would result from a mutation that allowed GAL3 to bind to GAL80 in the absence of galactose?
A. There would be no change in the regulation of galactose metabolism because GAL3 normally binds to GAL80 to cause a conformation change in GAL80.
B. GAL80 would no longer be able to stimulate transcription of the genes involved in galactose metabolism.
C. GAL80 would be able to bind to GAL4, and transcription of the genes involved in galactose metabolism would be repressed.
D. Transcription of the genes involved in galactose metabolism would occur both in the presence and in the absence of galactose.
E. GAL4 would no longer be able to bind to the DNA thus, transcription of the genes involved in galactose metabolism would occur.
Answers
Answer: Option C.
GAL80 would be able to bind to GAL4, and transcription of the genes involved in galactose metabolism would be repressed.
Explanation:
Gal 3, Gal 80 and Gal 4 are form of proteins which participate in metabolism. They constitute a galactose-responsive switch for the GAL genes When galactose is absent, Gal 80 bind to Gal 4, masking the Gal4AD prevent gene transcription and prevents Gal4-mediated promoter activation
The graph below show the number of sunspots observed between 1750 and 2000
Based on the graph, which of these conclusions is most likely correct about the
period between 1950 and 1980?
A. It was a period of increased solar radiation.
B. There were several earthquakes during this period.
C. There was severe rainfall during this period.
D. It was a period of abnormally cold climate.
Answers
Answer:A. It was a period of increased solar radiation
Explanation: I took a test and I got it right
Answer:
A. It was a period of increased solar radiation
Explanation:
Write a 3-8 sentence paragraph as to how Sea urchins use Natural selection. 20 points and will mark the brainliest!
Answers
Answer:
Through the process of natural selection, sea urchins have developed spines that serve as a defense mechanism against predators and a means of anchoring themselves in turbulent waters. This adaptation allows them to better survive in their environment, with individuals possessing longer or stronger spines being more likely to pass on their genes to the next generation. As a result, the population of sea urchins gradually becomes better adapted to their surroundings, demonstrating the power of natural selection in shaping the evolution of species.
how does the latitude of a region affect its climate
Answers
Does the temperature increase during melting?
Explain why
Answers
Answer:
Melting is the process where the atoms of a rigid solid Crystal lattice held by strong bonds, are broken down which increases the degree of locomotion of these atoms which characterises the liquid state.
The energy that breaks these bonds is heat energy ( latent heat of fusion ), hence temperature increases
What are some inherent traits of a lion
Answers
Which are vital signs?
O temperature, respiratory rate, and weight
O muscle mass, height, and weight
Oheart rate, temperature, and height
temperature, respiratory rate, and heart rate
Answers
The correct combination of vital signs is temperature, respiratory rate, and heart rate.
Vital signs are key measurements that provide important indicators of a person's physiological status and overall health. They help healthcare professionals assess and monitor a patient's condition. The vital signs typically include temperature, respiratory rate, heart rate, and blood pressure. Among the options provided, the correct combination of vital signs is temperature, respiratory rate, and heart rate.
Temperature is a measure of the body's internal heat. It can be measured orally, rectally, or with the help of infrared thermometers. Deviations from the normal range may indicate fever or hypothermia, which can be indicative of underlying health issues.
The respiratory rate refers to the number of breaths a person takes per minute. It provides insight into lung function and overall respiratory health. Abnormal respiratory rates may suggest respiratory distress or underlying pulmonary conditions.
Heart rate, also known as pulse rate, measures the number of times the heart beats per minute. It reflects cardiac activity and can be assessed by feeling the pulse at various points in the body. Deviations from the normal heart rate can indicate cardiovascular problems or other physiological abnormalities.
Weight, muscle mass, and height are not typically considered vital signs. They are important anthropometric measurements used for assessing overall body composition, growth, and nutritional status. While these measurements are relevant in healthcare, they are not classified as vital signs.
In summary, the vital signs include temperature, respiratory rate, and heart rate. Monitoring these parameters allows healthcare professionals to gain valuable insights into a patient's health status, identify potential issues, and make informed decisions regarding treatment and care.
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What skills are needed to an Executive Director of Animal Research?
Answers
Answer:
The Executive Director also serves as the Attending Veterinarian, and is responsible for long-range planning, leadership, and oversight of animal care and use at UC Davis. The position manages and strategically harmonizes the distributed operations of over 1 million square feet of animal holding space in 200+ buildings that are overseen by individual vivarium managers.
The Executive Director leads a team of stakeholders that are responsible for identifying solutions that balance multiple and often-competing resource priorities. Cabinet members may include the Sr. Associate Vice Chancellor-Planning, Delivery and Facilities; Sr Associate Vice Chancellor-Finance and Resource Management; Institutional Animal Care and Use Committee (IACUC) Chair; IACUC Administrator; Associate Vice Chancellor-Facilities Management; a Vivarium Facility Manager Representative; Office of Research Representative; User Group representation; and Faculty Advisors designated by the Academic Senate. Each cabinet member (stakeholder) has an equal voice to identify issues and advocate for their respective constituencies but with the equally important responsibility of finding solutions that balance multiple, and often competing, resource priorities and the overriding campus needs.
The Executive Director serves in a public information, training, consultative, and facilitating role on behalf of the University's programs of animal care and use. The Executive Director supports the academic mission by assuring compliance with all applicable federal, state, and local animal welfare regulations that govern the use of animals in research and teaching. The Executive Director works in collaboration with the IACUC and IACUC staff to ensure regulatory matters are addressed, and that animal welfare and research facilitation are balanced with efficient daily operations and long-range academic and facility needs. The Executive Director provides advice to campus animal facility management, animal users, and administration regarding current standards for research and animal care. Serves as an ad-hoc member of the Institutional Biosafety Committee and is required by law as the Attending Veterinarian to serve as a voting member of the IACUC. May also serve as a member of the Ca Dept of Fish & Wildlife Animal Welfare Committee. The Executive Director oversees TRACS (Teaching and Research Animal Care Services); the entity that provides husbandry services to the majority of laboratory animal users on the Davis and Sacramento campuses. The Executive Director supervises the Associate Directors responsible for Campus Veterinary Services (CVS) and Husbandry Services (HS). CVS consists of three senior veterinarians and four veterinary technicians as well as several student employees. These services provide routine veterinary care and project support for most research and teaching animals on and off the UC Davis campus; and are responsible for the Laboratory Animal Residency Program that provides post-doctoral training for veterinarians who wish to specialize in Laboratory Animal Medicine. Physical Demands: - Walk, crouch, kneel, bend, and lift heavy items or animals up to 50 lbs.
- Stand for long periods on hard surfaces (e. g., clinical facilities, surgical suites).
- Lift, move, and bend in the restraint and treatment of laboratory animals. Work Environment: - USDA endorsement or attainment within 1 year of hire. - Valid CA driver's license required. Position will participate in the Department of Motor Vehicles (DMV) Pull Notice System.
- Rabies Vaccination and/or titer, Hepatitis B Vaccination and/or titer other titers/vaccinations as recommended by occupational health physician.
- TB test or chest x-ray, measles vaccination or proof of illness is required prior to employment and annually thereafter.
- Employee is personally responsible for following health and safety guidelines/instructions.
- Must be able to perform assigned duties wearing restrictive protective clothing such as respirators and other personal protective clothing.
- This position is subject to Medical Surveillance procedures and review in accordance with Federal and State Laws and Regulations and University Policy.
- Work flexible schedule.
This position is a critical position and subject to a background check. Employment is contingent upon successful completion of background investigation including criminal history and identity checks. Yes Qualifications Minimum Qualifications: - Doctor of Veterinary Medicine degree (DVM) from a recognized and accredited school of veterinary medicine; Licensed DVM in a state, with the attainment of CA license within 1 year of employment
Explain why Some Organisms that share physical
Similarities (eg: the marsupial mole and African golden
mole) are classified Seperately.
Answers
Explanation:
Organisms are classified based on their evolutionary history, genetic relatedness, and physical characteristics. While some organisms may share physical similarities, they may not be closely related genetically or have a common evolutionary history.
For example, the marsupial mole and African golden mole both have similar physical characteristics, such as a streamlined body and long snout, which help them to burrow underground. However, they are classified separately because they have different evolutionary histories and genetic makeup.
Marsupial moles are marsupials that are endemic to Australia, while African golden moles are placental mammals that are found in sub-Saharan Africa. They evolved independently in different parts of the world, and their similarities in physical appearance are likely the result of convergent evolution, where unrelated organisms evolve similar adaptations to similar environments.
Therefore, even though the marsupial mole and African golden mole share physical similarities, they are classified separately based on their evolutionary histories and genetic relatedness.
Please help me please
Use Figure 1 Tay-Sachs Disease Pedigree to answer the following questions.
a.Interpret what the Roman numerals in the pedigree diagram represent.
b.Interpret the genotypes of the parents in this diagram.
c.If a person who does not carry the Tay-Sachs disease gene marries offspring II4, what are the possible genotypes for their children?
Answers
Answer:
Please see the answer below
Explanation:
a. The roman numerals represent the various generations in the pedigree.
I represents first generation
II represents the second generation
b. The half shaded square and circle representing the parents means that both of them are carriers for the trait in question. Tay-Sachs disease is an autosomal recessive inheritance, assuming the trait is represented by the allele a, the gentoypes of the parents would be Aa and Aa respectively.
c. Still on the assumption that the disease is represented by the allele a. If offpsring II4 which happens to be free of the Tay-Sachs allele marries a person that also does not carry the Tay-Sachs disease gene, the cross will be as shown below.
AA x AA = AA, AA, AA, and AA.
All the children would be free from the Tay-Sach's allele. That is, they will be homozygous normal.
The roman numerals in the pedigree diagram represent are :
I = represents first generation
II = represents the second generation
Part B:The genotypes of the parents would be Aa and Aa .
Half-shadowed squares and circles that represent the parent mean that both are carriers of the characteristics of the problem. TaySachs disease is autosomal recessive when the trait is represented by the allele a.Part C:The possible genotypes for their children are:AA x AA = AA, AA, AA, and AA.
All the children would be free from the Tay-Sach's allele.Find more information :
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If the sequence of bases in mRNA is U, C, A, the sequence of bases in DNA is
A, G, and T.
T, G, and U.
A, C, and A.
A, G, and U.
Answers
Answer:
A-G-T
Explanation:
mRNA → Polypeptide
In order to translate an mRNA sequence into a polypeptide chain, it is important to establish the correct reading frame
The mRNA transcript is organised into triplets of bases called codons, and as such three different reading frames exists
An open reading frame starts with AUG and will continue in triplets to a termination codon
A blocked reading frame may be frequently interrupted by termination codons
Once the start codon (AUG) has been located and reading frame established, the corresponding amino acid sequence can be deduced using the genetic code
Example: (mRNA) GUAUGCACGUGACUUUCCUCAUGAGCUGAU
Answer: (codons) GU AUG CAC GUG ACU UUC CUC AUG AGC UGA U
compare a frogs internal organs to a humans internal organs
Answers
Answer:
Answer is below
Explanation:
Frogs and humans share the same basic organs. Both have lungs, kidneys, a stomach, a heart, a brain, a liver, a spleen, a small intestine and a large intestine, a pancreas, a gall bladder, a urinary bladder and a ureter. ... On the whole, their organ structure is similar, but frogs have considerably less complex anatomies
Which statement describes the role of the organism indicated by the blue arrow in the food web?
Food web showing several different food chains. The blue arrow is pointing to an image of a red-tailed hawk. The hawk is shown to eat wood ducks and meadow vole which in turn feed on grass.
© FLVS
A primary producer that recycles organic molecules from sunlight
A secondary consumer that obtains its energy from the consumption of animals
A primary consumer that obtains its energy from the consumption of animals
A secondary consumer that recycles organic molecules by breaking them down
Answers
Answer:
Its B
B. A secondary consumer that obtains its energy from the consumption of animals
Explanation:
I took the test and I git this one right, you don't have to give me brainliest if not required, I just looked up this question and saw if I could get this right to help
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A secondary consumer that obtains its energy from the consumption of animals.
Who are secondary Consumer?Organisms that consume primary consumers for energy are known as secondary consumers. Herbivores, or species that only consume autotrophic plants, are always the main consumers.
Secondary consumers, however, might either be omnivores or carnivores. Omnivores consume both plant and animal stuff, while carnivores solely consume other creatures. Whatever a secondary consumer may be, it still needs to eat primary consumers to thrive.
Secondary consumers can be found in almost every environment on earth and occur in a wide variety of sizes and shapes. The severe habitats that secondary consumers reside in include icy tundras, parched savannahs, and arctic lakes.
Therefore, A secondary consumer that obtains its energy from the consumption of animals.
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What are some disadvantages to humans and other organisms of planting one kind of tree?
Answers
Planting one kind of tree is another form of a monoculture. Monoculture hampers ecosystem functioning, as it diminishes functional biodiversity. Terrestrial ecosystems are a complex network of several species, that interact with constant feedback among themselves. Trees are primary productors, which means they produce the essential nutrients (that is, organic carbon) that other animals will use to nourish and grow. Different types of primary productors begets functional diversity of herbivores (animals that harm them) and also symbiotic diversity (organisms that benefit them). Besides this, tree's diversity promotes soil stability and function, which is critical to keep the ecosystem working in the long run. Without a proper soil, trees will eventually die, which would annhilate terrestrial biodiversity. So, monocultures are not a pretty good idea in places like tropical forest, where there are a lot of different tree species. On the contrary, in ecosystems such as pine forest, where there is one dominant tree species (which is not the same, as only one tree species, it is just that one tree species is more abundant), planting one kind of tree (the dominant one) could be a good practice to restore the ecosystem.
Answer:
Some disadvantages of planting one kind of tree include:
1. Loss of biodiversity (the variety of life in the world or in a particular habitat or ecosystem).
2. They don't provide the necessary amount of nutrition/food.
3. It just takes up a lot of space in the future for when you could be building a farm or something.
Explanation:
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one difference between cancer cells and normal cells is that cancer cells one difference between cancer cells and normal cells is that cancer cells are arrested at the s phase of the cell cycle. continue to divide even when they are tightly packed together. are always in the m phase of the cell cycle. are unable to synthesize dna. cannot function properly because they are affected by density-dependent inhibition. request answer
Answers
One difference between cancer cells and normal cells is that cancer cells continue to divide even when they are tightly packed together.
A general term for conditions characterized by uncontrolled cell growth is cancer. Because of their altered perception of commonly used cellular signals, typically caused by genetic mutations to common signal receptors, cancer cells frequently have the ability to grow with little or no control.
Cancer cells, in contrast to normal cells that function normally, are not actually affected by inhibition based on density, which means that they continue to divide even when they are packed together tightly. In ordinary, working cells, they can't keep separating when they are stuffed firmly together by a cycle known as thickness subordinate hindrance, by which the tight bundle of cells paracrine signs to be conveyed to hinder cell development factors. This cycle is started to restrict contest for supplements and potential tissue harm coming about because of the choking of cells in too close a region. Cancer cells do not respond to these limiting markers, so even in restricted areas, they grow unabated.
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blood infected with hepatitis can only spread hepatitis within the first 24 hours of a blood spill ?
true or false?
Answers
Answer: THE ANSWER IS FALSE.
when two amino acids combine and the carboxyl group of the first amino acid reacts with the amino group of the second amino acid, what is the most accurate description of the end product?
Answers
-COOH+H2N- --->-CO-NH-
The OH from the carboxyl group goes with 1 hydrogen from the amino group and forms H2O
What is responsible for selectively transporting substances into the ventricles from the bloodstream?
A.) Pia mater
B.) Choroid plexus
C.) Arachnoid
D.) Astrocytes
Answers
Discuss 4 factors which lead to genetic variability in offspring produced as a result of sexual reproduction?
Answers
Answer:Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring
Explanation:
there
If a species has a 2n number of 18, how many autosomes would their SOMATIC cells have?
Answers
Answer:
If a species has a number of chromosomes 2n = 18, then its somatic cells have 16 autosomes.
Explanation:
Somatic cells are diploid, that is, they have the complete chromosomal charge, and it is represented as 2n. In organisms with sexual reproduction the chromosomes are divided into autosomes and sex chromosomes, which are 2.
If a species has a number 2n = 18, it means that its somatic cells have 18 chromosomes, of which 16 are autosomes and 2 are sex chromosomes. Autosomes contain the structural and functional characteristics of an individual, while the sex chromosomes determine sex.
I’ll mark brainlyist I need help ASAP! Mutations have various effects on the amino acid sequences that
determine protein structure. The diagram below shows a codon chart. *
A. ACC
B. AUG
C. ACU
D.ACG
Answers
Answer:
ACU
Explanation:
hree types of threats to biodiversity are: habitat loss and fragmentation the introduction of exotic, or non-native, species overexploitation, or overharvesting determine the type of threat that each of the following statements describes. drag each statement to the appropriate bin.
Answers
Loss of habitat and fragmentation of habitats: a wetland is drained to make way for a housing development.
certain fishing nets harm the ocean floor.
Less diversity exists in small rainforest remnants than in larger ones.
-About a century ago, Florida panthers were isolated from other panthers by geography.
Exotic species: In the United States, rodents from South America known as nutria eat wetland plants and contribute to bank erosion.
-Australian Melaleuca trees have replaced Florida's native wetland vegetation.
overfishing: Cod are caught more quickly than they can reproduce.
The population of wild American ginseng has decreased as a result of the rise in demand for the roots.
Which three factors pose the greatest immediate threats to biodiversity?Loss of habitat, excessive harvesting, and the introduction of exotic species are the three main immediate threats to biodiversity. The use of resources and the growth in human population are directly responsible for the first two of these.
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what is BHT for freshness considered?
a. carbohydrates
b. proteins/amino acids
c. lipids/fats
d. vitamin/minerals
e. other
Answers
Answer:
E
Explanation:
In meats , chips , edible facts, dehydrates foods, baked goods contain BHT.BHT mean preservative ingredients..
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Describe how Mendel's two laws are illustrated by the movement of chromosomes in meiosis. Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Not all terms will be used.
a. metaphase I
b. anaphase I
c. in seperate gametes
d. meiosis II
e. in one gamete
f. law of Segregation
g. depend on
h. independent of
i. law of Independent Assortment
j. meiosis I
1. _____is illustrated by the behavior of two pairs of homologs during_____. The alignment of one homologous pair is_____the alignment of other pairs. 2. _____is illustrated in_____when homologs separate. Alternate alleles of a gene found on homologs segregate from each other and end up_____.
Answers
Answer:
1. law of Independent Assortment; metaphase I; independent of.
2. law of Segregation; meiosis I; in separate gametes.
Explanation:
Between 1856 and 1863, Gregor Mendel developed a series of mating experiments using pea plants, which enabled the discovery of some basic principles of inheritance. These principles/laws are stated as:
1) Law of segregation: this principle states that the inheritance pattern of phenotypic traits is characterized by the presence of a gene pair and each gamete carries only one allele for each gene pair so offspring inherit one gene variant (allele) from each parent
2) Law of independent assortment: this principle states that the genes responsible for the inheritance pattern of different traits are independently sorted from one another and thereby different traits are independent one from another.
3) Law of dominance: this principle states that the dominant allele will always be expressed in heterozygous individuals (this law is only applicable in cases of complete dominance).
This is a diagram of a prairie food web.
Mountain lion
Hawk
Snake
Sparrow
Spider
Frog
Deer
Mouse
Rabbit
Cricket
Trees & Grasses
If the deer population is reduced, which of the following organisms will be affected by the reduction in the amount of
energy provided by deer in this ecosystem?
A Mountain lion
B
Mouse
с
Hawk
D
Rabbit
Answers
Answer:
mountain lion i believe is the answer
HELP
The messenger RNA sequence that is most likely to produce a nonfunctional protein is
A)
UCA-CUC-UUA-UUU-GUU-CGA-UAU-UAA
B)
UGA-UAU-CGA-GGA-GUU-GCG-CUC-UAG
C)
UAC-UAU-CGA-GGA-GUU-GCG-CUC-AUG
D)
AUG-UAU-CGA-GGA-GUU-GCG-CUC-UGA
Answers
Answer:
the answer is d
Explanation:
The messenger RNA sequence that is most likely to produce a nonfunctional protein is:
D) AUG-UAU-CGA-GGA-GUU-GCG-CUC-UGA
What is messenger RNA?
Messenger RNA (abbreviated mRNA) is a type of single-stranded RNA involved in protein synthesis.
What is codon GCA code?
The three consecutive DNA bases, called nucleotide triplets or codons, are translated into amino acids (GCA to alanine, AGA to arginine, GAT to aspartic acid, AAT to asparagine, and TGT to cysteine in this example).
What are the 3 stopping codons?
A stop codon is a sequence of three nucleotides (a trinucleotide) in DNA or messenger RNA (mRNA) that signals a halt to protein synthesis in the cell. There are 64 different trinucleotide codons: 61 specify amino acids and 3 are stop codons (i.e., UAA, UAG and UGA).
Hence ,D is correct option
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The cells of your body need energy to carry out life functions. Which of the following body responses is a sign that your cells need more energy? (Answer choices in the photo.)
Answers
The correct option is b. you feel hungry. This sensation sets your focus in obtaining more nutrients, which are needed to continue with body proper functioning.
An individual with a mitochondrial disease
inherited the disease from their father.
Inherited the disease from their mother.
contracted the disease from a viral infection.
Contracted the disease from a bacterial infection.
Contracted the disease from a parasitic infection.
Answers
Mitochondrial diseases are caused by mutations in the mitochondrial DNA, which is located in the mitochondria. These mutations are usually inherited from the mother, as the mitochondrial DNA is passed down from the mother to her children.
What is Mitochondrial?Mitochondria are organelles found in the cells of all eukaryotic organisms, which are responsible for generating most of the cell’s supply of chemical energy. They are often referred to as the “powerhouses” of the cell. Mitochondria are essential for life and are involved in a variety of cellular processes, such as metabolism, cell growth, and cell death. They contain their own DNA and can replicate independently from the cell. Mitochondria are also involved in several metabolic pathways, such as the tricarboxylic acid cycle, the beta-oxidation of fatty acids, and the synthesis of amino acids. Mitochondria are essential for life and have been linked to a variety of degenerative diseases, such as Parkinson's disease, Alzheimer's disease, and diabetes.
It is very rare for a mitochondrial disease to be inherited from the father or contracted from a viral, bacterial, or parasitic infection.
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Is it a scientific theory or a scientific law that the characteristics of living things change over time?
Answers
Answer:
Scientific Theory
Explanation:
The statement "the characteristics of living things change over time" refers to the concept of biological evolution, which is widely accepted as a scientific theory in the field of biology. In scientific terms, a theory is a well-substantiated explanation of a natural phenomenon that is supported by extensive evidence, experimentation, and scientific consensus. The theory of evolution, proposed by Charles Darwin and further developed over time, provides a comprehensive explanation for the diversity and change in the characteristics of living organisms. It is supported by a vast body of evidence from various scientific disciplines, including genetics, paleontology, comparative anatomy, and molecular biology.
In contrast, scientific laws describe observable patterns or regularities in nature that are often expressed as mathematical equations or principles. Laws, such as Newton's laws of motion or the laws of thermodynamics, describe specific relationships or behaviors in the physical world.
Therefore, the statement about the characteristics of living things changing over time aligns with the theory of evolution, rather than being described by a scientific law.
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