2 Ecosystems and Ecological Processes Online Quiz Questions

An animal eats grass and also eats grasshoppers. What ecological role describes its feeding pattern?

A plant uses sunlight to make organic food. What ecological role is it performing?

Fungi break down a dead leaf and help return nutrients to the environment. Which role are the fungi performing?

A deep-sea vent community can rely on chemical energy rather than sunlight.

In the food chain grass → grasshopper → frog → snake, which organism transfers energy directly to the snake?

Select all the abiotic components in this list.

Unlike matter, energy flows through ecosystems rather than being recycled.

What term describes a network of connected food chains?

Select all the nutrients that water moving across land can carry into rivers and lakes.

Which process releases phosphate from rocks into soil and water?

Why is generally less energy available to organisms at higher trophic levels?

Explain why a food web represents ecosystem feeding relationships more fully than a single food chain, and describe how a change in one population could affect other populations.

In an ecosystem, which group breaks down dead leaves and waste, helping return nutrients to the environment?

An animal regularly eats both plant material and other animals. Which consumer category best describes it?

In the food chain grass → grasshopper → frog, what does the arrow from grasshopper to frog represent?

True or false: Matter flows through ecosystems in one direction and is ultimately lost as heat, while energy is recycled between organisms and the environment.

A prolonged dry period reduces plant growth in an ecosystem. Which explanation best describes how this abiotic change can affect living organisms?

Which process makes atmospheric nitrogen available for plants to absorb?