In a new environment, traits for successful survival and reproduction become more common and traits that do not support survival become less common.
True
False
Answers
Answer:
True
Explanation:
This is called an organism's biological fitness.
Related Questions
In a population of 200 people, an allele F has a frequency of 84%. What is the frequency of allele f? Using the Hardy-Weinberg equation, estimate the numbers of homozygous dominant, heterozygous, and homozygous recessive genotypes. (Remember that the formula is: p2 + 2pq + q2 = 1, where p represents the dominant allele and q represents the recessive allele.) *Be sure to account for all 200 people in the population.
Answers
According to the Hardy-Weinberg equilibrium..
p2 + 2pq + q2 = 1
where:
p represents the dominant allele frequency
q represents the frequency of the recessive allele
q^2 = the genotypic frequency of the homozygous recessive
p^2= the genotypic frequency of the homozygous dominant
2pq= the frequency of the heterozygous genotype
What are alleles?The term allele has been considered as the sequences of the DNA make up genes which can have different forms. DNA, which has been makes up the genotype, has transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins which make up the phenotype of an organism.
Mutations in the DNA sequences form new alleles, and affect the corresponding mRNA and thus the protein encoded. Along with genetic drift, selective mating and natural selection, evolution may occur within populations.
Therefore, According to the Hardy-Weinberg equilibrium..
p2 + 2pq + q2 = 1
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Predict what will happen if the population of frog suddenly increase.
CORRECT ANSWER PLEASE.
Answers
Answer:
If all frogs were to die off, a valuable food source will go missing in the food chain of many animals around the world after that the number of animals that eat the frogs will die off, then the animals that eat them will go hungry, and their populations will be devastated as well.
government of a country is interested in assessing and comparing human development across its three regions −A,B and C - based on three dimensions. The country consists of five people and their joint distributions of achievements in three dimensions within three regions are provided in the following table. For your convenience, the achievements have been normalised between zero and 10. D1, D2 and D3 refer to dimensions 1, 2 and 3, respectively. Elaborate and justify in detail how you would compare these three regions using various measurement tools for assessing human development. Please provide estimates and report your calculations up to three decimal figures.
Answers
a) Use the Human Development Index (HDI) to compare overall human development.
b) Calculate the average achievements in each dimension for each region.
c) Calculate the inequality-adjusted HDI (IHDI) to account for inequality in achievements.
d) Use the Gini coefficient to measure inequality in achievements.
e) Calculate the multidimensional poverty index (MPI) to assess poverty across dimensions.
To compare human development across the three regions (A, B, and C), various measurement tools can be used. One commonly used tool is the Human Development Index (HDI), which combines indicators of life expectancy, education, and income.
To calculate the HDI for each region, the achievements in each dimension (D1, D2, D3) should be averaged and then normalized between zero and 1. The HDI can be calculated using the formula: HDI = (D1 + D2 + D3) / 3.
Additionally, to assess inequality in achievements within each region, the inequality-adjusted HDI (IHDI) can be calculated. The IHDI takes into account the distribution of achievements across the population.
To calculate the IHDI, the Gini coefficient can be used to measure inequality in achievements. A lower Gini coefficient indicates lower inequality.
Furthermore, to assess poverty across dimensions, the Multidimensional Poverty Index (MPI) can be calculated. The MPI considers various deprivations individuals may face in multiple dimensions.
It measures the percentage of the population experiencing poverty and the intensity of their deprivations.
By using these measurement tools, including the HDI, IHDI, Gini coefficient, and MPI, a comprehensive assessment of human development, inequality, and poverty across the three regions can be obtained.
The calculations should be performed using the given achievements data and normalized between zero and 10, and the results can be reported up to three decimal figures to provide accurate comparisons and insights.
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There are so many fascinating human adaptations (permanent changes in living organisms due to the environment). Which one is your favorite biological adaptation and why?
Answers
One of the most fascinating biological adaptations in humans is the development of bipedalism which is the ability to walk on two legs & has been a crucial adaptation that allowed early humans to thrive and evolve.
Bipedalism is my favorite biological adaptation in humans due to its significant impact on human evolution. Our ability to walk upright on two legs distinguishes us from other primates and has shaped various aspects of our anatomy and behavior. Bipedalism freed our hands, enabling us to use tools and develop complex manipulative skills, which played a crucial role in our cognitive and technological advancement.
The transition to bipedalism was a pivotal step in our evolutionary history. It allowed early humans to efficiently travel long distances, access new food sources, and adapt to changing environments. This adaptation also led to the reshaping of our skeleton, with the development of a specialized pelvis and spine to support upright walking. Over time, bipedalism influenced the expansion of our brain and cognitive capabilities, contributing to the development of language, social structures, and culture.
Bipedalism remains a defining feature of our species and has enabled us to become the dominant and versatile beings on the planet. It is a testament to the incredible capacity of organisms to adapt and thrive in diverse environments.
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3: How is the transfer of bacteria into and out of one person and then into another person similar to or different from how you spread bacteria into and out of one Petri dish and then into another dish?
Answers
Answer:
Bacteria can replicate approximately every 20 minutes by binary fission, which is a simple form of cell division. This level of replication will depend on the availability of nutrients and other suitable conditions, such as temperature.
Molecules made up of hydrophilic head and a lilpophilic tail are responsible for
Answers
Molecules made up of hydrophilic head and a lilpophilic tail are responsible for effectiveness of surfactants.
What is a Surfactant?This is referred to as chemical compounds that decrease the surface tension or the interfacial tension between two liquids, a liquid and a gas, or a liquid and a solid.
They are commonly found in detergents and soaps and aid its cleaning properties through the hydrophilic head and a lilpophilic tail which is the property that is responsible for this type of function thereby making it effective and is therefore the reason why it was chosen as the correct choice.
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A phospholipid consists of a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail.
What kind of molecule has a hydrophilic head and a hydrophilic tail?In this strenuously most-favorable arrangement, the hydrophilic heads face the water at each surface of the bilayer, and the hydrophobic tails are defended from the water in the interior. The same forces that drive phospholipids to form bilayers also supply self-healing properties.
The heads, which form the outer and inner linings, are "hydrophilic" (water-loving) while the tails that face the interior of the cell layer are "hydrophobic" (water-fearing). Water is interested in the outside (red) of the membrane but is stopped from going through the non-polar interior (yellow) layer.
So we can conclude that wherein the hydrophilic head field faces the aqueous solution and the hydrophobic tail.
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Why is it important to maintain balance in the environment?
Answers
Answer:
so that the food chain won break and we all don die
:)
Explanation:
Explanation:
Because it effect ecosystem
Pollution will increase
Effect in atmosphere
Decrease natural beauty
In 4 sentences describe a couple of areas in the brain that are responsible for creativity.
Answers
As it appears to be in charge of many of the processes that support creative thinking, the frontal cortex has been referred to as the hub or center of creativity.
How do brains function?Millions of nerve cells in your brain are arranged in patterns that help you think, feel, behave, move, and sense things. Your brain and the rest of your body are linked by a vast system interconnected nerves that allow for rapid communication.
What is the term for the brains?The cerebrum, cerebellum, and brainstem are the three primary parts of the brain. The brain's largest structure, the cerebellum, is composed of the right and left hemispheres. Higher cognitive tasks include understanding touch, vision, listening, speech, logic, emotion, learning, and fine motor control, among others.
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Which part of a city is most like a lysosome
Answers
Answer:
The lysosomes would be the recycling and waste disposal center in cell city.
Explanation:
Although cellular respiration involves many steps, the whole process can be represented by a single equation. A B → C D E Which substances would complete the equation that models the overall process of cellular respiration? A: B: C: D: E:.
Answers
The equation that encapsulates cellular respiration as a whole is:
6O2 + 6CO2 + 6H2O + ATP = C6H12O6
The following compounds are included in this equation:
A: glucose, or C6H12O6.
B: Oxygen, 6O2.
C: (carbon dioxide) 6CO2.
D: Water (6H2O)
E: Adenosine triphosphate, or ATP.
The reactants that enter the cellular respiration process include glucose (C6H12O6) and oxygen (O2). In the presence of oxygen, glucose is broken down through a sequence of enzyme events to create carbon dioxide (CO2), water (H2O), and energy in the form of ATP.In order to complete the equation that represents the total process of cellular respiration, the chemicals A, B, C, D, and E are needed.
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13 Why do farmers grow many fruits and vegetable crops inside large green
houses? What are the advantages to the farmers?
Answers
in corn normal kernels are dominant to waxy kernels.if you crossed a waxy kernel plant to a heterozygous normal plant what type of seeds would be produced?
Answers
The genotype of the seeds that will be produced are as follows:
Nn (2) - normal kernel seedsnn (2) - waxy kernel seedsWHAT IS GENETIC CROSS?According to this question, a gene coding for kernel shape is involved. Normal kernel (W) is dominant over waxy kernel (w).
If a waxy kernel plant (ww) is crossed with a heterozygous normal (Ww) plant as follows: Ww × ww, the following offsprings will be produced:
WwWwwwwwTherefore, the genotype of the seeds that will be produced are as follows:
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The process of DNA transcription uses one nucleic acid (DNA) as the template for creating another nucleic acid (RNA). Since DNA and RNA are both nucleic acids, each is made up of a combination of common and unique components. Match each term to the appropriate structure(s) on the diagram of DNA and RNA. Some terms will be used more than once. DNA RNA Pyrin guanine Answer Bank adenie thymine guanine ribose deoxyribose cytosinc phosphate group TEC "The process of DNA transcription uses one nucleic acid (DNA) as the template for creating another nucleic acid (RNA). Since DNA and RNA are both nucleic acids, each is made up of a combination of common and unique components. Match each term to the appropriate structure(s) on the diagram of DNA and RNA. Some terms will be used more than once. DNA RNA P: Pyrin guanine Answer Bank uracil adenie adening thymine cytosine thymine guanine ribose deoxyribose phosphato group
Answers
The appropriate structure(s) on the diagram of DNA and RNA can be matched to the following terms:
DNA: deoxyribose, phosphate group, adenine, thymine, guanineRNA: ribose, phosphate group, adenine, uracil, guanineThe genetic code is frequently referred to as a "blueprint" because it contains the instructions a cell requires in order to sustain itself. We now know that there is more to these instructions than simply the sequence of letters in the nucleotide code, however. For example, vast amounts of evidence demonstrate that this code is the basis for the production of various molecules, including RNA and protein. Research has also shown that the instructions stored within DNA are "read" in two steps: transcription and translation. In transcription, a portion of the double-stranded DNA template gives rise to a single-stranded RNA molecule.
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Which contains the Hydrophobic Tail
1- Plant cell
2- Animal cell
3- Both
Answers
Answer:
3 both
Explanation:
please helppp asap, have a good rest of your day !
Answers
Answer:
hh × Hh
The results showed that roughly 50% of the mice are brown and roughly 50% of the mice are black. So the genotypes of the mice must be hh and Hh. (punnet squares are in the image attached)
Explanation:
hh - brown
Hh - black
primates have a versatile skeletal structure that is both similar to yet differs from the human skeleton in many ways. identify the nonhuman primate skeletal characteristics
Answers
Nonhuman primates have a flexible skeleton that is both different from and comparable to the skeleton of humans in many ways. No tail is present.
What distinguishes non-human primates from human primates?The order of mammals known as primates is distinguished by a large brain, the use of hands, and complex behaviour. Non-primates are any animals not classified as primates. They have a large, complex frontal lobe. They have a little forebrain.
What similarities do non-human primates and people share?Primates share genetic traits since they are linked to one another. In general, chimpanzees and bonobos, who are the closest living cousins of humans, share roughly 99% of human DNA with our most distant ape ancestors.
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Which of the following is not an effector?
A. Skin B. Tongue C. Inner ear D. Diaphragm
Answers
Answer:
It should be C. inner ear
Explanation:
according to the web
A pesticide was introduced on a farm to kill insects eating the corn crop. The farmer realized that in week 1 after using the pesticide, most of the insects were killed but by week 3 the population of insects increased and the pesticide no longer kills the insects. What is the reason for that observation?
Answers
Hello,
The observation that the pesticide was effective in killing insects in week 1 but became ineffective by week 3 is likely due to the development of resistance in the insect population.
When a pesticide is introduced, it may be very effective in killing a large proportion of the target insects. However, some insects may have genetic variations that allow them to survive exposure to the pesticide. These insects then go on to reproduce, passing on the genes that allowed them to survive to their offspring. Over time, the proportion of insects in the population with these resistant genes increases, making the population as a whole less susceptible to the pesticide. This is known as pesticide resistance.
Insects can develop resistance to pesticides through a variety of mechanisms, including mutations that make them less susceptible to the toxic effects of the pesticide, increased detoxification of the pesticide by enzymes in their bodies, or changes in their behavior that allow them to avoid exposure to the pesticide.
To combat pesticide resistance, farmers may need to use different pesticides or alternative methods of pest control. They may also need to use pesticides in a targeted and judicious manner, rotating different types of pesticides to avoid overuse of any one type and minimize the selection pressure for resistance.
Imagine you are a researcher who is interested in knowing precisely when neurons in parietal cortex are active in response to a small shock applied to the particpant's wrist. Would fMRI be a good technique to use for your experiment
Answers
As a researcher who is interested in knowing precisely when neurons in the parietal cortex are active in response to a small shock applied to the participant's wrist, functional magnetic resonance imaging (fMRI) may not be a good technique to use for the experiment. fMRI can identify and locate which parts of the brain are active, but it can't identify precisely when the neurons are active. It is an indirect method of detecting neural activity, and it has a relatively low temporal resolution.
The fMRI technique measures the blood oxygenation level-dependent (BOLD) signal in response to neural activity. It uses a powerful magnet and radio waves to measure the blood flow changes that occur when neurons become active. The BOLD signal is delayed because it takes time for the blood to increase oxygenation and flow to the activated area of the brain. Furthermore, the activation of the BOLD signal can last for several seconds. As a result, the temporal resolution of fMRI is limited to around two seconds. This means that the method cannot identify precisely when the neurons become active, and it can't capture the rapid changes in neural activity that happen during sensory processing.
However, a method such as electroencephalography (EEG) or magnetoencephalography (MEG) would be better suited to capture the precise timing of neural activity. EEG and MEG measure the electrical activity in the brain that occurs when neurons become active. Both techniques can capture the very rapid changes in neural activity that occur during sensory processing.
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Explain adaptation in your own words.
Answers
My own words ;) boom
Where does the oxygen that we breathe come from? (Multiple Choice)
- Water
- Carbon Dioxide
- Light
- Sugar
Answers
Answer:
Water
Explanation:
Scientists agree that there's oxygen from ocean plants in every breath we take. Most of this oxygen comes from tiny ocean plants – called phytoplankton – that live near the water's surface and drift with the currents. Like all plants, they photosynthesize – that is, they use sunlight and carbon dioxide to make food.
Hope this helped, Have a Wonderful Day!!
Hydrolysis of water is the process by which water divide to form oxygen, hydrogen ion. Option A is correct. The oxygen we breath is come from the hydrolysis of water during photosynthesis.
Photosynthesis:
It is the process by which plants produce sugar using Carbon dioxide and water in the presence of sunlight.
This completes in two phases
Light Dependent Dark phaseLight Dependent Phase:
Water hydrolyses to produce oxygen, proton, and electrons.Two molecule of water hydrolyses to form one molecule of Oxygen.Oxygen is then released by plant via stomata.Carbon dioxide used in dark phase to produse carbonic acids.Therefore the oxygen we breath is come from the hydrolysis of water during photosynthesis.
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A given organism has 23 pairs of homologs in its karyotype. Therefore, we can conclude that it must have gametes with 23 chromosomes
Answers
It is TRUE that a given organism has 23 pairs of homologs in its karyotype. Therefore, we can conclude that it must have gametes with 23 chromosomes.
In diploid organisms, such as humans, the karyotype refers to the complete set of chromosomes in the nucleus of a cell. Humans have 23 pairs of homologous chromosomes, which means that there are two copies of each chromosome, one inherited from each parent. During meiosis, the process by which gametes (sperm and eggs) are produced, the chromosome number is reduced by half. In humans, this means that the gametes have 23 chromosomes, which is half the number of chromosomes in a diploid cell. When a sperm and an egg fuse during fertilization, the resulting zygote will have a full complement of 46 chromosomes, with 23 chromosomes contributed by each parent.
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The actual question is:
True, or False
A given organism has 23 pairs of homologs in its karyotype. Therefore, we can conclude that it must have gametes with 23 chromosomes.
Invasive species have traveled the globe with humans and found success in new environments. Unfortunately, their success has been at the cost of many native species. Invasives may out-compete natives, feed on native species, or spread disease to native populations.
Feral cats are considered an invasive species, especially in Australia and Japan, where they have caused the decline (and occasional extinction) of many small mammals, ground-nesting birds, reptiles and amphibians. They also carry infectious diseases that can spread to native animals, humans, and livestock.
Why do you think it is so difficult to control the spread of invasive species?
Answers
Invasive species are very difficult to control because they have adaptations that may face different environmental conditions, thereby removing competing species.
What is an invasive species?An invasive species is any species that is introduced into a foreign ecosystem (generally due to human activity) and they are able to survive and displace other native species due to the presence of evolutionary adaptations that better fits the conditions in such environments.
Therefore, with this data, we can see that invasive species are generally introduced by humans into new environments and may cause a disequilibrium by eliminating competitive native species.
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a person who is pure for a widows peak has children with a person who is pure for no widow peak if all of the offspring have a widows peak which trait is most likely , dominant .
Answers
Based on the information provided, we can conclude that the trait for a widows peak is most likely dominant.
Which trait is the dominant trait?When two individuals who are "pure" for different traits mate, their offspring inherit one copy of each trait from each parent. If one parent is "pure" for the trait of a widows peak and the other parent is "pure" for no widows peak, and all of their offspring have a widows peak, it suggests that the widows peak trait is dominant.
This means that individuals who inherit even one copy of the widows peak gene will express the trait. In this case, it appears that all of the offspring inherited at least one copy of the widows peak gene from their parent who was pure for the trait, resulting in the expression of the trait in all offspring.
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The method that involves introducing a drug to a sample of blood to evaluate antimicrobial effectiveness is known as... plaque forming unit zone of inhibition serum killing power minimum bactericidal concentration
Answers
The method that involves introducing a drug to a sample of blood to evaluate antimicrobial effectiveness is known as "serum killing power." It assesses the ability of a drug to kill or inhibit the growth of microorganisms in the presence of serum.
Serum killing power is a laboratory technique used to assess the ability of a drug or antimicrobial agent to kill or inhibit the growth of microorganisms in the presence of serum. Serum is the liquid component of blood that contains various proteins, including antibodies and complement proteins, which can affect the activity of antimicrobial agents. In this method, the drug being tested is added to a sample of blood containing microorganisms, and the mixture is then incubated under controlled conditions. After a specific period, the blood sample is analyzed to determine the extent of microbial growth or viability.
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PLEASE HELP FAST, IM STRUGGLING!!
Question: How do naturally occurring hormones affect plants?
- They ripen fruits, prevent plants from being eaten by insects, and help plants collect water from soil.
- They start lateral leaf growth, help plants collect water from soil, and speed up the growth of plant cells.
- They keep buds inactive in winter, speed up the growth of plant cells, and ripen fruits.
- They speed up the growth of plant cells, ripen fruits, and prevent plants from being eaten by insects.
Answers
Answer:
The answer is ....C.... The fruit that they produse does ripen and and the growth of the plant starts speeding up. Also in winter the buds are inactive around a plant with hormones I hope this helps :D
What is the most common symptom of amygdala lesions in humans?.
Answers
Answer:
Inability to recognize the facial expression of fear
Explanation:
Some common signs and symptoms following amygdala damage include: Inability to visually recognize surrounding objects. The tendency to inspect surrounding objects by smelling or chewing them. Irresistible need to explore the surrounding space and excessive reactions to visual stimuli
true or false passive transport moves molecules from an area of high concentration to low concentration
Answers
Answer:
true
Explanation:
Hope this helps
Diffusion moves molecules from an area of high concentration to low concentration
Passive transport Is the Movemeny of substances across a cell membrane WITHOUT USING ENERGY
Your welcome
I just learned this and i took notes :)
Many male birds will expend A great deal of energy building nests. Females will mate with the males who build the best nest. This is best described as an example of ___.
a) natural selection
b) sexual selection
c) runaway selection
d) an invasive species
e) disruptive selection
Answers
Answer:
B
Explanation:
Female birds mate with the males who build the best nest is the example of option b. sexual selection.
Sexual selection is a mode of natural selection in which one sex members choose the mate with the member of the other sex for mating.
These members of the biological sex prefer opposite sex members for species-specific characteristics in individuals of the other sex such as best building nest in birds. Other male birds compete with members of the same sex to get selected by members of the female birds in this instance.Thus, the correct answer is option b. sexual selection as female birds prefers species-specific traits to select their mating partner by best nest building by males.
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I need help please! Plant growth hormones
Answers
Answer:
1.end seed dormancy
2.promote flowering