Explain the mechanisms that produce change in population from generation to generation. 1. artificial selection 2. natural selection 3. genetic drift 4. mutation 5. recombination
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Q: Misconception: Natural selection involves organisms trying to adapt. Correction:
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- Explain the mechanisms that produce change in populations from generation to generation. 1. artificial selection 2.natural selection 3.genetic driftSome antibiotics used to treat infections in humans are also used to treat chickens, but some groups oppose this practice. The overuse of antibiotics will most likely influence the natural selection of which type of organisms? a chickens that are resistant to infection b chickens that naturally make the antibiotics c microbes that are susceptible to the antibiotics d microbes that are resistant to the antibioticsThe process of natural selection can be described as Group of answer choices 1. an organism changing during its life to be better suited for its environment 2. a cell dividing 3. traits that cause individuals to live longer or reproduce more are seen more often in the next generation 4. none of the above
- Population genetics is the study of ________. a. how allele frequencies in a population change over time b. populations of cells in an individual c. the rate of population growth d. how genes affect embryological development1. THE PROCESS BY WHICH ORGANISMS CHANGE OVER TIME IS KNOWN AS 2. THE PROCESS WHEREBY ORGANISMS THAT ARE BETTER ADAPTED TO THEIR ENVIRONMENT TEND TO SURVIVE AND PRODUCE MORE OFFSPRING IS KNOWN AS 3. WHO DEVELOPED THE THEORY OF USE AND DISUSE? 4. WHICH THEORISTS SUGGESTED THAT ORGANISMS CAN "ACQUIRE" THE TRAITS NEEDED TO SURVIVE DURING A LIFE TIME? 5. WHICH THEORISTS SUGGESTED THAT ORGANISMS WITH BETTER TRAITS CAN SURVIVE AND REPRODUCE TO PASS THOSE FAVORABLE TRAITS TO THEIR OFFSPRING? 6. GENETIC VARIATION WAS A MAJOR FACTOR IN WHOSE THEORY? 7. "SURVIVAL OF THE FITTEST" WAS COINED BY WHO?Review darwin's theory of natural selection. Write a paragraph reflection explaining a) what you learned from the evidence of revolution and b.) The connections you made with what you learn about darwin's theory of natural selection and how meet mutations play an important role in the natural selection.
- When genes from two parents mix together to form the genes of their child, this is called a. Recombination b. Natural selection c. Resequencing d. Mutation e. EvolutionName Date 4. (5:17) Which of the following correctly describes a principle of natural selection? A. Variation in phenotype is what distinguishes one species from another. B. Individual members of a species are only able to pass down favorable traits. C. Populations produce more offspring than the environment can support. D. Only individuals that don't have unfavorable traits are able to reproduce. 5. (5:59) Which of the following is key to Darwin's theory? A. Individuals evolve over their lifetime as their environments change. B. Species evolve over generations as certain individuals reproduce. C. Humans evolve over their lifetime while animals evolve over generations. 6. (10:13) In your own words, explain the difference between directional selection, stabilizing selection, and disruptive selection. 7. (11:24) In your own words, explain how sexual selection also contributes to evolution. 8. (12:21) What is one question you still have about natural selection?Darwin’s Theory of Natural Selection occurs in 4 steps.Which of the following is NOT one of these four steps?a. Differentiationb. Selectionc. Competitiond. Overproduction
- Mutations are the ultimate source of genetic variation. Consider a population of 500 diploid individuals. If a mutation resulting in a single copy of a novel allele occurred in a gene in one individual, what is the frequency of the new allele in the population? 0.05 0.000001 0.001 0.005 0.0021.Scientists is doing artificial breeding experiments often use radiation or other methods to increase the mutation rate. Why is a high mutation rate useful? 2. How does mutation rate affect the speed at which a population adapts to its environment? 3. How does the mutation rate affect a population’s ability to adapt to its environment?Natural Selection Fill in the blanks to explain Darwin's theory of Natural Selection using these words: DNA, survive, variation, DNA, reproduce 1. Individuals in a species show 2. This is because of differences in their 3. Individuals with characteristics which suit the environment are more likely to and 4. So the from these individuals is passed onto the next generation.