Answers
B. increased concentration of salt water inundating the habitat over a long period of time
Explanation:For organisms to survive in their habit they require stability so that they can survive using the traits evolution has created.
Importance of Habits
Organisms cannot survive if they do not have a habit to survive in. Over time, development by humans has destroyed habits. Additionally, increased consumption of fossil fuels has caused global warming that harms habits.
Restoration is beneficial to organisms because it increases the space in which organisms can live. So, this is not a negative impact.
Inundating Habits
First, let's define inundating. Inundating is the act of overwhelming or overpowering something. Organisms would not be able to survive if the salt concentration became overwhelming. They would not be suited to survive that environment. So, this would have a negative impact.
Stability
For thousands of years organisms have adapted to their habits, including to the pH of the water. So, if this pH remains stable, then they will have the necessary traits to survive. Thus, this cannot be a negative impact either.
Biodiversity
Healthy ecosystems require a large "web" of different plants and animals. Without this biodiversity, ecosystems cannot support all of the life within the habit. This means that increasing biodiversity, over time, would help ecosystems support greater life.
Related Questions
A new sea star species has been identified in Australia. This species is a hermaphrodite that self-fertilizes and keeps its young inside of its body. Other species of sea stars in this genus have both male and female sea stars. They release eggs and sperm into the water where the egg is fertilized. How does the new sea star species influence our understanding of biology? Select all that apply.
A.
It shows that populations of organisms share the same habitat.
B.
It shows that populations of organisms in a community stay the same.
C.
It shows that populations of organisms can separate into new species.
D.
It shows that populations of organisms have a certain carrying capacity.
E.
It shows that populations of organisms interact with the nonliving environment.
F.
It shows that populations of organisms have individuals that form with new traits.
Answers
The new sea star species influence our understanding of biology It shows that populations of organisms have individuals that form with new traits.
Why are sea stars a keystone species?
In Australia, a brand-new species of sea star has been discovered. This species is a hermaphrodite that carries its eggs inside of its body and self-fertilizes. There are male and female sea stars in other species of sea stars in this genus. In the water, when the egg is fertilized, they discharge eggs and sperm.
Ochre Sea Star. A keystone species is an organism that helps define an entire ecosystem. By keeping populations of mussels and barnacles in check, this sea star helps ensure healthy populations of seaweeds and the communities that feed on them—sea urchins, sea snails, limpets, and bivalves.
Sea stars are important members of the marine environment and are considered a keystone species.
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Explain the disadvantages and advantages of mitosis and meiosis
Answers
Answer:
Meiosis is what gives us the ability to sexually reproduce! However, When you look at asexual reproduction (mitosis), it lacks genetic differentiation in the offspring.
Explanation:
A cladogram of five species is shown. Based on the cladogram, the ancestral species most likely had-
Answers
Mutations and variation occur randomly. True\ False
Answers
Answer:
true
Explanation:
Two two-digit numbers, 'AB' and 'BA', sum to
produce a three-digit number in which the second d
igit
is equal to A. The addition is represented below. (Note
that the variables are used to represent individual digits;
no mu
ltiplication is
taking place).
AB + B
A= 1A2
What
is B?
Answers
Answer:
9
Explanation:
Another way to represent this question is:
+ AB BA1A2
In the one's column, B and A add to produce a number with a two in the one's place. In the ten's column, we can see that a one must carry in order to get a digit in the hundred's place. Together, we can combine these deductions to see that the sum of A and B must be twelve (a one in the ten's place and a two in the one's place).
In the one's column: B+A=12
The one carries to the ten's column.
In the ten's column: (1)+A+B=(1)+12=13
The three goes into the answer and the one carries to the hundred's place. The final answer is 132. From this, we can see that A=3 because 1A2=132.
Using this information, we can solve for B.
A+B=12 and A=3
3+B=12
B=9
Explain the difference between a pseudocoelom and a true coelom
Answers
Answer:
A pseudocoelom is a body cavity that lies between mesodermal and endodermal tissue and is, therefore, not completely surrounded by mesodermal tissue. A “true” coelom is completely surrounded by mesodermal tissue, and can thus be subdivided into compartments.
Explanation:
Create a punnett square or use a mathematical system to determine the phenotype ratio. Record what you would expect to get from this cross in the chart below.Purple & smooth ___ Purple & shrunken ____ Yellow & smooth ___ Yellow & shrunken ____
Answers
Answer:
Match the following.
1.
a graph that uses a rectangle and line segments to show the clustering of a set of data
2.
the difference between the first and the third quartiles
3.
the smallest data point in a set
4.
median of the lower half of a set of data
5.
the middle value of a set of data arranged in numerical order
6.
division of data into four equal parts
7.
the highest data point in a set of data
8.
median of the upper half of a set of data
box-and-whisker plot
interquartile range
median
lower quartile
upper extreme
upper quartile
quartile
lower extremeMatch the following.
1.
a graph that uses a rectangle and line segments to show the clustering of a set of data
2.
the difference between the first and the third quartiles
3.
the smallest data point in a set
4.
median of the lower half of a set of data
5.
the middle value of a set of data arranged in numerical order
6.
division of data into four equal parts
7.
the highest data point in a set of data
8.
median of the upper half of a set of data
box-and-whisker plot
interquartile range
median
lower quartile
upper extreme
upper quartile
quartile
lower extremeMatch the following.
1.
a graph that uses a rectangle and line segments to show the clustering of a set of data
2.
the difference between the first and the third quartiles
3.
the smallest data point in a set
4.
median of the lower half of a set of data
5.
the middle value of a set of data arranged in numerical order
6.
division of data into four equal parts
7.
the highest data point in a set of data
8.
median of the upper half of a set of data
box-and-whisker plot
interquartile range
median
lower quartile
upper extreme
upper quartile
quartile
lower extremeMatch the following.
1.
a graph that uses a rectangle and line segments to show the clustering of a set of data
2.
the difference between the first and the third quartiles
3.
the smallest data point in a set
4.
median of the lower half of a set of data
5.
the middle value of a set of data arranged in numerical order
6.
division of data into four equal parts
7.
the highest data point in a set of data
8.
median of the upper half of a set of data
box-and-whisker plot
interquartile range
median
lower quartile
upper extreme
upper quartile
quartile
lower extreme
Explanation:
which describes a scientific theory?
A. an idea based on repeated experiments,
allowing you to predict EXACTLY what will
happen
B. an idea that scientific dont believe in
C. an explanation of an occurrence in the
natural world that is well-supported by data
Answers
Hope this helps! :)
interpret what data means about the otter’s role in the kelp forest. what is the percent fish in diet? (otters present) what is the percent fish in diet? (otters absent) what is the percent of invertebrates in diet? (otters present) what is the percent of invertebrates in diet? (otters absent)
Answers
In general, otters play a crucial role in maintaining the health of kelp forests. They are considered a keystone species because they feed on sea urchins, which are known to graze on kelp.
Without otters, sea urchin populations can grow unchecked and damage the kelp forest ecosystem. By keeping sea urchin populations under control, otters help maintain the balance between kelp and other organisms in the ecosystem.
The percentage of fish and invertebrates in the otter's diet can vary depending on their location and availability of prey. Otters are known to be opportunistic feeders and will consume a variety of prey depending on what is available. Studies have shown that otters can consume a range of invertebrates, including crabs, clams, and snails, as well as fish species such as rockfish and herring.
In general, when otters are present, there may be a lower percentage of sea urchins and a higher percentage of fish and invertebrates in the ecosystem.
Conversely, when otters are absent, the sea urchin population may grow unchecked, leading to a decline in kelp and potentially impacting other species that rely on the kelp forest ecosystem.
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How is editing the genetic code different from artificial selection?
A It enables humans to influence the inheritance of DNA
B It enables humans to directly change DNA
C It can only be used on animal DNA
D It is not yet possible to edit the genetic code
Answers
Answer:
Option B
Explanation:
Artificial selection is influencing of inheritance of any trait . in this limited options are given to allow a species to mate and produce offspring
In genetic code editing directly genes are edited.
Hence, option B is correct
How the model in the image supports this statement: The body carries critical life functions through systems specialized cells
Answers
Some cells in the body have special jobs they are really good at doing. They are called specialized cells.
What is the specialized cells?The human body has lots of tiny cells, and each of them is different and has a special job to do. This group helps with important things needed to survive.
One type of cells carry oxygen and another type send electrical signals in our body. Specialized cells help the body do important things. Tissues: Groups of similar cells form tissues, such as muscle tissue, connective tissue, and epithelial tissue.
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chloroplasts take in water during photosynthesis what do they use it for?
Answers
Chloroplasts use water to produce glucose with oxygen as a byproduct. Chloroplasts are plant organelles that convert mild power to extraordinary strong chemical strength by the process of photosynthesis.
What is photosynthesis and role of water in photosynthesis?Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
The two main role of chloroplasts are:
1. To carry out photosynthesis.
2. To produce food for plant. Specifically, amino acids and lipid components that are necessary for chloroplast membrane production are produced by chloroplast present in the leaves.
Water on the other hand is necessary for germination of seeds and growth of the plant.
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which macromolecule is involved in how hemophilia is passed
Answers
The macromolecule involved in how hemophilia is passed is DNA, specifically the genes carried on the X chromosome. The inheritance of hemophilia follows a pattern influenced by the presence or absence of the hemophilia gene on the X chromosome.
The macromolecule involved in how hemophilia is passed is DNA, specifically the genetic material carried on the X chromosome.
Hemophilia is an inherited bleeding disorder caused by a mutation in one of the genes responsible for producing clotting factors in the blood. The genes involved in hemophilia, such as the F8 gene (hemophilia A) or F9 gene (hemophilia B), are located on the X chromosome.
The X chromosome is one of the two sex chromosomes, with females having two copies (XX) and males having one copy (XY). Since hemophilia is a recessive trait, it typically affects males more often than females. This is because if a male inherits a defective X chromosome carrying the hemophilia gene, he will develop the disorder since he does not have a second X chromosome to compensate for the mutation.
In females, who have two X chromosomes, hemophilia can be passed on if they inherit a defective X chromosome from both parents. These females are carriers of the hemophilia gene and may not exhibit symptoms themselves but can pass the mutation to their offspring.
The inheritance of hemophilia follows a specific pattern, with affected males having an X chromosome with the hemophilia gene and unaffected males having a normal X chromosome. Female carriers have one normal X chromosome and one X chromosome with the hemophilia gene.
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92% of the energy produced in the United States is from this source of energy.
A. non-depletable
B. renewable
C. non-renewable
Answers
Answer:
C.
Explanation:
hope this helps!!!
A cell can form beads on a string chromatin, but not solenoid fibers. Which molecule has likely been removed or mutated in this cell?
a. Η1
b. non-histone proteins
c. H2A
d. topoisomerase
Answers
The molecule which has likely been removed or mutated from a cell that can form beads on a string chromatin, but not solenoid fibers is: A. Η1
A cell can be defined as the fundamental functional, structural and smallest unit of life for all living organisms.
Genome editing refers to a high-tech process through which scientists remove (delete), replace or insert a deoxyribonucleic acid (DNA) sequence into the cells of a living organism such as an animal, bacterium, plant, etc., so as to improve on its physical and chemical conditions or correct a genetic disorder.
Chromatin can be defined as a complex form of deoxyribonucleic acid (DNA) and protein found in the cells of an eukaryotic organism.
In the classic model of chromatin, the beads simply refer to the nucleosomes while the string is simply the linker deoxyribonucleic acid (DNA).
Basically, the deoxyribonucleic acid (DNA) is wrapped around histone proteins to form nucleosomes and the beads on a string structure (euchromatin).
Furthermore, there exists a linker histone H1 in addition to core histones that reaches the entry or exit of the deoxyribonucleic acid (DNA) strand on the nucleosome.
In conclusion, a cell cannot form beads on solenoid fibers but it can form beads on a string chromatin because the H1 molecule has likely been removed or mutated in the cell.
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1. Angelman syndrome and Prader-Willi syndrome are used as examples of epigenetic inheritance.
a. Explain the symptoms and effects of each of these diseases.
Answers
Angelman syndrome is characterized by intellectual disability, severe speech impairment, ataxia, seizures, and a happy demeanor. Prader-Willi syndrome involves hypotonia, hyperphagia, obesity, intellectual disability, behavioral problems, and short stature.
Angelman syndrome and Prader-Willi syndrome are two distinct genetic disorders that are often discussed in the context of epigenetic inheritance. Both conditions result from abnormalities in a specific region of chromosome 15, but they have opposite effects due to differential genetic imprinting.
Angelman syndrome is characterized by developmental delays, severe intellectual disabilities, speech impairments, and motor coordination problems.
Individuals with Angelman syndrome often exhibit a happy and excitable demeanor, with frequent episodes of laughter and a fascination with water. They may also experience sleep disturbances, seizures, and a lack of speech development.
On the other hand, Prader-Willi syndrome manifests with distinct symptoms such as hypotonia (poor muscle tone) during infancy, hyperphagia (insatiable appetite) leading to obesity, developmental delays, learning difficulties, and behavioral challenges.
Individuals with Prader-Willi syndrome often have a compulsive need for food and struggle with weight management. They may also experience hormonal imbalances, growth hormone deficiency, and behavioral issues such as temper tantrums and obsessive-compulsive behaviors.
Epigenetic inheritance refers to the transmission of information from one generation to another that affects gene expression without altering the underlying DNA sequence.
In the case of Angelman and Prader-Willi syndromes, these conditions result from epigenetic changes, specifically imprinting, in the chromosomal region involved. Imprinting refers to the process by which certain genes are marked or silenced based on their parental origin.
In Angelman syndrome, the paternal copy of the UBE3A gene is deleted or silenced, leading to a lack of functional UBE3A protein in the brain. In Prader-Willi syndrome, the maternal copy of the same gene is affected. These imprinted genes play critical roles in brain development and function, leading to the distinct symptoms observed in each disorder.
It is important to note that while both Angelman and Prader-Willi syndromes are considered examples of epigenetic inheritance, the underlying mechanisms and specific epigenetic changes involved are complex and continue to be studied.
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Flower Dissection Chart
Name of flower structure
Picture of dissected flower structure
Function of the structure
(review the lesson)
Sepal
Petals
Stamen
Pistil
Answers
Name of flower structure: Sepal, Function of sepal: protection of the flower. Name of flower structure: Petal, Function: attracting the pollinators. Name of flower structure: Stamen, Function: Male reproductive structure. Name of flower structure: Pistil, Function: Female reproductive structure.
Sepals are the outermost whorl of modified leaves that protect the flower during the bud stage. They also help to support the petals after the flower has bloomed.
Petals are brightly-colored, often fragrant structures that are responsible for attracting pollinators to the flower. They are also responsible for protecting the reproductive structures of the flower.
Stamen is the male reproductive structure of the flower. It consists of two parts: the anther, which produces as well as releases pollen; and the filament, which supports the anther.
Pistil is the female reproductive structure of the flower. It is composed of three parts: the stigma, which receives the pollen; the style, which supports the stigma; and the ovary, which contains the ovules that eventually develop into seeds after fertilization.
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Which organism is likely to carry out the process shown in the diagram?
CO, + H,O
Heat
www
Chloroplast
Mitochondrion
MASS
Respiration
OA. Barn owl
OB. Mushroom
C. Alligator
-0₂
Sugar
ATP
Answers
The organism that is most likely to carry out the process shown in the diagram is Calla lily (option D).
What is cellular respiration?Cellular respiration is the process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.
According to this question, a diagrammatic representation of cellular respiration is given in the above chart. Based on the chart, chloroplast is included to release oxygen gas needed for respiration.
Only green plants possess chloroplast used for photosynthesis, hence, Cana lily is the most likely organism to carry out the above process.
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The Schachter-Singer theory of emotion:
A. says your frontal lobes have very little to do with emotion.
B. says your frontal lobes act first, and then you feel a reaction.
C. says the frontal lobes interpret the body's reaction.
D. says your temporal lobes are at work.
Answers
Answer:
C. says the frontal lobes interpret the body's reaction.
Explanation:
The Schachter-Singer theory of emotion was created by Stanley Schachter and Jerome E. Singer. They were researchers and they established the theory as being a two factored one.
They noticed that for a physiological or bodily change to occur there must be an event which triggers it. The change is then interpreted by the body through the frontal lobes and emotion is then experienced.
Compare the cell wall of the plant cell to the human body.which system is most similar to the cell wall in function
Answers
Answer:
B. The skeletal system
Explanation:
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Humans breathe in oxygen and release ____ gas.
Answers
Answer:
Carbon
Explanation:
Reverse photosynthesis
Answer:
carbon dioxide
Explanation:
our body changes it
which statement BEST describes the reason for the change in the cell membrane model?
The new model was the result of a vote by scientists.
The new model help scientist avoid more research.
The new model came from more experiments and evidence.
The new model is based on the researchers best guess.
Answers
Answer:
The new model came from more experiments and evidence.
Explanation:
As more research and better technology came out scientists were able to update to a more accurate model.
Which of the following can help to preserve bilirubin in a urine specimen?
A. Centrifuge the specimen
B. Keep the specimen at room temperature
C. Add formalin
D. Keep the specimen out of the light
Answers
The action that can help to preserve bilirubin in a urine specimen is to centrifuge the specimen. Thus, the correct option for this question is A.
What is Centrifugation?Centrifugation may be characterized as a type of biological methodology that is significantly utilized in order to separate two or more liquids in a mixture.
During the entire process, the denser component within the mixture typically migrates away from the axis while the lighter component migrates towards the axis.
It separates the liquid in the urine from any solid components that may be present, such as blood cells, mineral crystals, or microorganisms. Any solid materials are then viewed under a microscope. Apart from this, it also preserves bilirubin pigment.
Therefore, the action that can help to preserve bilirubin in a urine specimen is to centrifuge the specimen. Thus, the correct option for this question is A.
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Why is water necessary for seed germination? (Choose all that apply.)
Water softens the seed coat and splits the seed coat.
Water makes the seed coat a source of energy for the embryo.
Water activates the enzymes that make food available to the embryo.
Answers
Water is necessary for seed germination because water softens the seed coat and splits the seed coat.
What is germination?Germination is the process whereby a new plant develops from a seed or spore.
Germination is a characteristic of angiosperms and gymnosperms because they produce seeds.
Water is one of the major requirements of germination as it helps to soften the seed coat and split it.
Therefore, water is necessary for seed germination because water softens the seed coat and splits the seed coat.
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what is the immediate source of energy for cells
Answers
ATP
Explanation:
ATP is produced in the cells and its conversion to energy is a single-step process.
Answer:
glucose
Explanation:
The immediate source of energy for most cells is glucose. But glucose is not the only fuel on which cells depend. Other carbohydrates, fats and proteins may in certain cells or at certain times be used as a source of ATP.
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What are the technological building blocks required to fulfill the future plans of the industrial biotechnology? Also state the number of key horizontal issues that need to be addressed when these future plans are implemented?
Answers
Answer:
The components are:
Maximizing investments in research and development, preservation of natural resources that are essential in research, skilled labor.
The horizontal issues that need to be addressed are: Constant climate change, demand for food and population growth.
Explanation:
Industrial biotechnology is responsible for the use of microorganisms and biological structures that enable the creation of bio-based products capable of meeting numerous human needs. Currently, the biggest challenges for industrial biotechnology is to position itself in a future where climate changes are increasingly intense, which causes an environmental imbalance that reduces the resources needed for human well-being. In addition, unrestrained population growth and the growing demand for food are also proving to be a major challenge.
To overcome these challenges, technological components capable of making biotechnological products solve these problems are necessary. These components can be found from investments in research, labor capacity and optimization of the natural resources we have.
Read the following statement.
There are many different ways scales can be used to help people understand the natural world.
Which sentence from the article provides the BEST support for the above statement?
A
But how do you observe and measure something that is larger than an entire planet?
B
Cartographers, or people who make maps, create map scales to help people understand the relationship between distances on maps and distances in the real world.
C
Usually, the scales are in the bottom corner of a paper map.
D
Similar to how scale can help us understand very large objects, scale can also be used to help us understand very small objects
Answers
D. Similar to how scale can help us understand very large objects, scale can also be used to help us understand very small objects.
What is a scale ?In general, a scale is a tool or a system used to measure or compare things. Scales are used to quantify different attributes such as weight, length, time, temperature, and many others.
There are many types of scales that are used for different purposes, such as balance scales, digital scales, thermometers, rulers, and gauges. The choice of scale depends on the attribute being measured and the level of precision required.
Scales are used in many different fields, including science, engineering, medicine, and economics. They are essential for conducting experiments, manufacturing products, and analyzing data.
In the context of maps, a scale is used to show the relationship between the distances on the map and the actual distances in the real world. For example, a map with a scale of 1:50,000 means that one unit on the map represents 50,000 units in the real world.
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Knowing that some individuals from Island 1 colonized Island 2, biologists sample the Mainland and two Island populations fifty years after the colonization events. They determine that allele frequencies are similar on both islands, but they are significantly different than the frequencies of the mainland population. Which of the evolutionary mechanisms could be used to explain these observed
Answers
Answer:
The evolutionary mechanism that could be influencing the allele frequencies between both islands and the mainland population might be Founder Effect.
Explanation:
Genetic drift is the random change that occurs in the allelic frequency of a population through generations. The magnitude of this change is inversely related to the size of the original population. These changes produced by genetic drift accumulate in time and eventually, some alleles get lost, while some others might set. Genetic drift affects a population and reduces its size dramatically due to a disaster -bottleneck effect- or because of a population split -founder effect-. In founder effect, a new population originates when a few individuals who are coming from a bigger population carrying its genes, settle down in a new area and reproduce. This small population might or might not be genetically representative of the original one. Some rare alleles might be exceeded or might be completely lost. Consequently, when the small population increases in size, it will have a genetically different composition from the original one. In these situations, genetic variability is reduced and there exists the possibility of developing a peculiar allelic composition. If the number of individuals that originated the new population is low, the founder effect will be very extreme, because the effects of the genetic drift are inversely proportional to the original number of individuals.
In the exposed situation, the evolutionary mechanism that could be influencing the allele frequencies between both islands and the mainland population might be Founder Effect. The fact that both islands are similar in their frequencies might be due to little genetic variation on island 1, or because dispersion to island 2 is a recent event on time.
A capillary wall is considered:
A. Narrow
B. Only one cell thick
C. Elastic
D. Wide
Answers
B or A
Explanation:
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100 POINTS ,Answer needed ASAP, To test the effectiveness of a new nutrient supplement one group of identical mice is given the supplement and the other group is not given any thing .which is the most complete list of the parts of the
experiment presented in this scenario. Need answer.ppl help me get it right
