Life Science Chapter 4: Ecology

Front

Where are most of the nutrients in a tropical rainforest located? Options: in the soil, in living things, in the air, in the water

Back

in living things

Front

Which statement is true about a tropical rainforest? Options: The amount of sunlight is about the same every day., The temperature is about the same throughout the year., There are no short winter days., all of the above

Back

all of the above

Front

What is a niche?

Back

the role of a species in an ecosystem

Front

In the rainforest howler monkeys and leaf cutter ants are part of the same.

Back

community

Front

The process by which plants use sunlight to make sugar from water and carbon dioxide is called

Back

photosynthesis

Front

An organism that helps break down and decay dead organisms and the waste of living organisms is called

Back

a decomposer

Front

Why does the amount of available energy decrease as you move up the energy pyramid?

Back

Each organism uses some energy for its life processes, most of which is lost as heat.

Front

A food chain is a diagram of how

Back

energy and nutrients pass among organisms in an ecosystem

Front

How does a food web differ from a food chain?

Back

A food web shows that one organism might be food for several different organisms.

Front

What do consumers give off that producers need? Options: carbon dioxide, sugars, oxygen, all of the above

Back

carbon dioxide