Ecology Study Guide Quiz

What is ecology?

• The study of weather patterns

• The study of interactions between organisms and their environment

• The study of animal behavior

• The study of plant anatomy

What is a niche?

• An organism's role in its environment

• A type of bird

• A type of habitat

• A type of plant

Sort the following factors.

Groups:

(a) INCREASE population

,

(b) DECREASE population

• Birth Rate

• Immigration

• Competition

• Emigration

• Death Rate

What is the difference between immigration and emigration?

• Immigration is the movement of organisms within a population, emigration is the movement of organisms between populations

• Immigration is into the population, emigration is out of the population

• Immigration is the movement of organisms between populations, emigration is the movement of organisms within a population

• Immigration is out of the population, emigration is into the population

What are some density-dependent factors that affect population?

• Competition, food availability, nest availability, mate availability

• Temperature, rainfall, sunlight, soil type, wind

• Forest fires, drought, mud slides, asteroids

• Birth rate, death rate, immigration, emigration

What are some density-independent factors that affect population?

• Birth rate, death rate, immigration, emigration

• Forest fires, drought, mud slides, asteroids

• Temperature, rainfall, sunlight, soil type, wind

• Competition, food availability, nest availability, mate availability

In the predator-prey relationship, if the prey population decreases, what happens to the predator population?

• The predator population increases

• The predator population becomes extinct

• The predator population decreases

• The predator population stays the same

What is the term that describes when a population reaches its maximum size that the environment can support?

• Secondary succession

• Carrying capacity

• Biodiversity

• Primary succession

What are the two types of competition?

• Interspecific and intraspecific

• Predator-prey and host-parasite

• Mutualism and commensalism

• Primary succession and secondary succession

How does competition affect population size?

• Competition decreases population size

• Competition increases population size

• Competition has no effect on population size

• Competition only affects certain species