BIOL 121 Chapter Notes - Chapter 53: Character Displacement, Intermediate Disturbance Hypothesis, Species Richness

1. Traits don't necessarily have to be passed on from parent to offspring for natural selection to act on them; traits that are environmentally acquired during the life time of an individual (such as practicing to become very strong or very fast) can also be acted upon by natural selection. Select one: True or False

2.Within the same species and even within the same population, not all individuals are the same. They vary in size, shape or other traits.

Select one:

True

False

3.Differential reproductive success means that some individuals in a population leave more offspring that survive and reproduce relative to other individuals in a population.

Select one:

True

False

Which of the following best describes a species?

◯ A. A group of organisms that interbreed and have common characteristics

◯ B. An interacting group of populations that occupy the same area

◯ C. A group of organisms that interact with nonliving parts of the environment

◯ D. All of the individuals of the same population that inhabit an area