Biology Now Study Set 1
Quiz 13: Adaptation and Species
There Are Approximately 8
There are approximately 8.74 million eukaryotic species on Earth.Of the groups shown in the infographic below,________ make up approximately 11 percent of the known species.
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There is color variation in a population of insects living within an area.Some individuals are solid black and other individuals are gray with green spots.Individuals who are solid black do not blend into the environment,and they tend to be eaten by predators.Explain how differences in survival rates will lead to more individuals in the population being gray with green spots.
Within a population of mice there is an allele for a gene that leads to the production of larger front teeth.In areas where seeds have thicker coatings,larger teeth allow these mice to chew through thicker seed coatings and survive at a higher rate than mice with smaller teeth.Would you expect an increase in the percentage of mice with larger teeth in a population of mice living in an area with seeds that have thicker coatings? Explain your reasoning.
A lizard learns to avoid predatory birds after being attacked and losing part of its tail to a bird.What is required for this avoidance behavior to be considered an adaptive trait?
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