Biology Unit 6 Lesson 10 Biological Evolution Practice Answers -
(Sorry I've been gone so long.)
1. The Amazon rain forest is a tropical ecosystem. Natural selection in this ecosystem favors ferns that are tolerant to
Answer - shade.
2. What is the long-term effect of a species failing to compete for resources?
Answer - extinction
3. Siblings may have different hair color as a result of
Answer - genetic recombination.
4. Regarding "“survival of the fittest,” what does it mean to be “the fittest”?
Answer - the most well-adapted individuals in a population
5. Select the statement that is most accurate.
Answer - Individuals are adapted or not adapted; species evolve.
6. What is the specific term used to describe the process that results in an organism having favorable adaptations to its environment, which are passed on through reproduction?
Answer - natural selection
7. Which statement accurately describes evolution?
Answer - Evolution is the change in the genetic makeup of a population over time.
8. If an exotic zoo crossbreeds a tiger with a lion, it is performing
Answer - artificial selection.
9. Rapid mass extinction may occur as a result of
Answer - a catastrophic event.
10. According to kin selection, which member of the group will a chimpanzee protect first?
Answer - offspring
11. When developing his ideas about natural selection, Darwin focused most on
Answer - adaptations.
12. Humans evolved during a period of significant environmental change. Which advantage does that give the species today?
Answer - Humans have a greater ability to adjust to change, so they can survive in a variety of environments and circumstances.
100% Hope this helps!
2 answers