Chapter 15
Biology: Life on Earth with Physiology · 8 exercises
Problem 1
Natural selection acts on individuals, but only populations evolve. Explain why this statement is true.
5 step solution
Problem 2
Distinguish between catastrophism and uniformitarianism. How did these hypotheses contribute to the development of evolutionary theory?
3 step solution
Problem 3
What are vestigial structures? What is their significance in proving the theory of evolution?
4 step solution
Problem 4
What is natural selection? Describe how natural selection might have caused unequal reproduction among the ancestors of a fast-swimming predatory fish, such as the barracuda.
5 step solution
Problem 5
Describe how evolution occurs. In your description, include discussion of the reproductive potential of species, the stability of natural population sizes, variation among individuals of a species, inheritance, and natural selection.
5 step solution
Problem 6
What is convergent evolution? Give an example.
2 step solution
Problem 7
How do biochemistry and molecular genetics contribute to the evidence that evolution has occurred?
6 step solution
Problem 8
Differentiate between natural selection and artificial selection. Does artificial selection influence natural selection?
4 step solution