Bio Module 2

which of the following is a possible explanation for leveling off of the caribou population?

An organism that eats only plants is a(n)

An interaction in which an animal feeds on plants is called

There are 150 cactus plants per square kilometer. What population characteristic is this?

Most energy gained by consumers from eating the previous trophic level is lost as ______.

A relationship where one organism benefits and one is not affected is

The diagram below shows a marine food chain. ______16. The zooplankton in this food chain are….

An organism that eats only meat is a(n)

Protecting an entire ecosystem ensures that

An organism that eats both meat and plants is a(n)

All the interconnected feeding relationships in an ecosystem make up a food

Sea otters live in the ocean. Which of the following is NOT likely to be a limiting factor?

A relationship where both organisms benefit is

Each of the following is a density-dependent limiting factor EXCEPT

One type of symbiosis is

For populations that are growing, as resources start to become less available, the population

A relationship where one organism benefit and one is harmed is

Primary succession would most likely occur after

Which of the following is a biotic aspect of an organism’s niche?

An organism that eats dead organic matter is a(n)

Using resources in way that does not cause long-term environmental harm is called

The movement of organisms from one ecosystem into another ecosystem is called

An organisms that cannot make its own food is

Rabbits in Australia had no natural predators, crowding out native animals. they are_ species.

Nitrogen fixation is carried out primarily by

Animals that get energy by eating the carcasses of other animals they haven't killed are called

An organisms that can make its own food is