Bio Midterm Review #2

Front

What is the first organism in a food chain?

Back

Producer

Front

Why does each level in the food chain contain less energy than the one below it?

Back

Some energy is lost as heat during the process of obtaining food.

Front

What organisms break down dead organic matter into soil?

Back

Decomposers

Front

Which organism contains the most energy in a food web: Rabbit, Mountain Lion, Shrew, or Hawk?

Back

Rabbit

Front

What is the study of how living things interact with one another and with their environment?

Back

Ecology

Front

Define a producer in an ecosystem.

Back

An organism that can make its own food through photosynthesis or chemosynthesis.

Front

What role do consumers play in a food chain?

Back

Consumers are organisms that eat other organisms for energy.

Front

What is a decomposer?

Back

An organism that breaks down dead organic material, returning nutrients to the soil.

Front

Explain the energy pyramid in an ecosystem.

Back

An energy pyramid illustrates the energy flow in a food chain, showing that energy decreases at each trophic level.

Front

What is a food web?

Back

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