Biology 1st Semester Review 24

Front

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

Back

A food web shows multiple interconnected food chains.

Front

What term describes the variety of life within an ecosystem?

Back

Biodiversity

Front

What happens to CO2 levels in the ocean as carbon dioxide in the air increases?

Back

CO2 levels in the ocean increase.

Front

What are the nonliving parts of an ecosystem called?

Back

Abiotic factors.

Front

What is the main purpose of mitosis?

Back

To produce new body cells.

Front

What is the process by which plants convert sunlight into energy?

Back

Photosynthesis.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

Front

What is an example of a biotic factor in an ecosystem?

Back

Plants, animals, fungi, and bacteria.

Front

What is the primary source of energy for most ecosystems?

Back

The sun.

Front

What is the term for a group of organisms of the same species living in the same area?

Back

Population.