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Genetics
Review for Test
| Question | Answer |
|---|---|
| In regard to natural selection, what is a likely reason a species of bird would have a longer beak than other similar species? | The longer beak is an adaptation to the food available in the bird’s habitat. |
| Webbed feet in frogs are an example of: | Adaptation |
| How can the farmers use selective breeding to increase milk production? | By choosing cows that are high milk producers |
| Does asexual reproduction result in a varied or uniform population? | A Uniform population. |
| Does sexual reproduction result in a greater or lesser chance of survival? | A greater chance of survival. |
| A variation in the beaks of Finches on the Galapagos Islands is due to: | Natural Selection. |
| What makes selective breeding different from natural selection? | Selective breeding is a controlled process influenced by humans. |
| If an organism that reproduces asexually by regrowing each piece of itself when cut, will the new organisms be identical or different from the original? | They will be identical to the original organism. |
| What is not an example of an adaptation that helps organisms attract a mate? Hollow bones in birds, Bright, colorful feathers, Sweet-smelling, colorful flowers or Doing a complicated mating dance | Hollow bones in birds. |
| What physical feature of giraffes demonstrates natural selection? | Their long necks which allow them to eat leaves from tall trees. |
| Why would a dark-colored moth have a better chance of survival than a light-colored moth on a dark tree? | The dark moth is harder to see. |
| What process would a dairy farmer use to get cows that produce more milk? | The dairy farmer would use selective breeding. |
| What is one disadvantage of asexual reproduction? | All the members of a population are genetically very similar and less able to survive environmental changes. |
Created by:
jfcason
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