APES Unit 1 - Ecosystems Review

Front

What is the primary source of energy for an owl in an ecosystem?

Back

The owl receives energy primarily from consuming organisms such as mice and rabbits.

Front

What shape is used to represent trophic levels in an ecosystem?

Back

Trophic levels are represented by pyramids.

Front

What happens to populations in an ecosystem when there is an abundance of food?

Back

Populations will increase.

Front

What is the role of consumers in a food chain?

Back

Consumers eat other species and help control their populations.

Front

What is the effect of removing a primary consumer from an ecosystem?

Back

The number of plants would increase.

Front

Define 'trophic level'.

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Front

What are producers in an ecosystem?

Back

Producers are organisms that can make their own food, typically through photosynthesis, such as plants.

Front

What is a primary consumer?

Back

A primary consumer is an organism that eats producers; they are herbivores.

Front

Explain the concept of a food web.

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a more complex interconnection of multiple food chains.