Ecology Review

A prairie dog, a hawk, and a badger all are members of the same

• niche

• community

• species

• population

All of the following are examples of limiting factors for populations except

• space

• food

• time

• weather

In which type of interaction do both species benefit?

• predation

• mutualism

• commensalism

• parasitism

Which of these relationships is an example of parasitism?

• a bird building a nest on a tree branch.

• a bat pollinating a saguaro cactus.

• a flea living on a cat's blood.

• ants protecting a tree that produces the ant' only food.

A process by which individuals that are better adapted to their environment are more likely to survive and reproduce than others of the same species.

• natural selection

• ecology

• commensalism

• succession

Grass is an example of

• abiotic factor

• biotic factor

• symbiosis

• natural selection

The struggle between organisms for limited resources is called

• mutualism

• commensalism

• competition

• parasitism

Which of the following organisms are typical decomposers?

• grasses and ferns

• mushrooms and bacteria

• mice and deer

• lions and snakes

A diagram that shows how much energy is available at each feeding level in an ecosystem is a(n)

• food chain

• food web

• water cycle

• energy pyramid

An organism that eats the remains of dead organisms is called a(n)

• herbivore

• carnivore

• omnivore

• scavenger