Chapter 12: Spatial Dynamics

Question 1

Even organisms that appear to stay still probably ___

Answer 1

moved there at one point and settled in to stay

Question 2

In human societies, kids live with family until they __

Answer 2

reach an age of independence which usually coincides with sexual maturity, and the desire to start a family themselves.

Question 3

Most organisms move away from

Answer 3

their birth sites by the time they reach sexual/reproductive maturity

Question 4

Do all organisms move away from their birth site at reproductive maturity?

Answer 4

No, some like dispersing seeds and marine invertebrates do it right at “birth”

Question 5

The spatial patterns of organisms’ movements underlie

Answer 5

many ecological and evolutionary factors, such as reproductive success, population density, survival, population extinction risk, genetic diversity and speciation rates.

Question 6

Dispersal definition

Answer 6

Movement by individuals that generally does not involve predictable routes.

Question 7

Migration definition

Answer 7

The coordinated long-range movements of whole populations or segments of populations.