Unit 3 Ecology final flashcard

Front

What are organisms that can manufacture organic nutrients from substances in the abiotic environment called?

Back

Autotrophs

Front

What happens to the carrying capacity for an animal if the amount of food or resources available increases?

Back

It increases.

Front

What are organisms that must consume biotic nutrients classified as?

Back

Heterotrophs

Front

In a food web, which population would most likely be negatively affected by an increase in the mouse population?

Back

Berry bushes.

Front

What term describes the maximum number of organisms an environment can support based on available resources?

Back

Carrying capacity.

Front

Define autotrophs.

Back

Organisms that produce their own food from inorganic substances.

Front

Define heterotrophs.

Back

Organisms that obtain their food by consuming other living things.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is the significance of carrying capacity in an ecosystem?

Back

It determines the maximum population size that an environment can sustain.

Front

How does an increase in a predator population affect the prey population?

Back

It typically decreases the prey population.