Deck 38: Community Ecology and Population Ecology

Question 1

The process where one species outcompetes and eliminates another species from it's niche is called

A) competitive inclusion.
B) competitive niche exclusion.
C) competitive elimination.
D) competitive exclusion.

Answer 1

competitive exclusion.

Question 2

The size and frequency of disturbance on a community's biodiversity is called

A) a disclimax community.
B) intermediate disturbance hypothesis.
C) disturbance regime.
D) disturbance impact.

Answer 2

disturbance regime.

Question 3

Smaller localized areas of weather patterns are called

A) matrix communities.
B) microclimates.
C) macroclimates.
D) climate borders.

Answer 3

microclimates.

Question 4

After reading the paragraph below, answer the question that follows.
You are a developer establishing an enclave of new homes in Jasper National Park, Alberta. You bulldoze approximately 100 acres, removing most of the native trees and shrubbery. You then lay down roads and build about 500 homes that will house as many as 2000 people. The local park scientists, who have been tagging and studying many animal populations in the area for a number of years, notice sudden declines in numbers.

-What is the type of interspecies interaction at play here?

A) symbiosis
B) cooperation
C) competition
D) predation

Question 5

Which of the following statements about lemmings is false?

A) Lemmings purposely jump off cliffs.
B) Lemming populations have boom-and-bust cycles.
C) Some lemmings drown during migration.
D) Lemmings are able swimmers.

Question 6

Harvesting crops without damaging or overusing the resource is an example of

A) conservation.
B) ecological management.
C) sustainable resource management.
D) conservational resource management.

Question 7

Your ecological footprint is

A) the amount of resources you use.
B) the amount of land required to provide/produce the materials you consume.
C) the amount of materials that you waste.
D) the amount of land required to provide/produce the materials you waste.

Question 8

After reading the paragraph below, answer the question(s) that follow(s).
You're a member of an influential African family that's been displaced from your home by civil war. You're trying to select a new country in which to settle to gain better economic opportunities. You know that Nigeria is a large country with rich natural resources and are considering it for your new home. You've learned some basic principles of population growth and did some research on the Internet. Among the data you found was the following diagram of the current age structure of the country.


-What key data would be important in allowing you to more confidently assess the future population of Nigeria?

A) mortality rate prior to reaching sexual maturity
B) relative birth rates of males versus females
C) incidence of disease
D) availability of resources