ES U1 Review

Front

What is biomass?

Back

The total dry weight of organisms in an ecosystem.

Front

How do plants obtain energy for photosynthesis?

Back

By absorbing energy from the sun.

Front

Which process removes carbon dioxide from the atmosphere?

Back

Photosynthesis.

Front

What type of plant do nitrogen-fixing bacteria live in?

Back

Legumes.

Front

What is the proper name for any organism above the producer level in an energy pyramid?

Back

Consumers.

Front

What is photosynthesis?

Back

The process by which plants convert sunlight into chemical energy.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic matter, recycling nutrients back into the soil.

Front

What is the primary source of energy for most ecosystems?

Back

The sun.

Front

Define producers in an ecosystem.

Back

Organisms that produce their own food through photosynthesis or chemosynthesis.

Front

What is cellular respiration?

Back

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.