Ch. 4 Flashcard: Ecosystems and Communities

Front

What happens to temperature as you ascend a mountain?

Back

Temperature decreases.

Front

Why are plants classified as producers in an ecosystem?

Back

They make or produce their own food.

Front

What is the significance of the Water Cycle in an ecosystem?

Back

It is essential for the survival of living things.

Front

What do the arrows in an energy flow diagram represent?

Back

The movement of energy.

Front

How does burning fossil fuels affect the Carbon Cycle?

Back

It increases CO2 levels in the atmosphere.

Front

Define an ecosystem.

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What role do decomposers play in an ecosystem?

Back

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

Front

Explain the concept of biodiversity.

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

What is the primary source of energy for most ecosystems?

Back

The Sun.

Front

Describe the process of photosynthesis.

Back

Photosynthesis is the process by which plants convert sunlight into chemical energy, producing oxygen and glucose.