Ecosystems Review

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, soil).

Front

What do plants need to make their own food?

Back

Plants need sunlight, carbon dioxide, and water to make their own food through a process called photosynthesis.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose (food) and oxygen.

Front

What role do plants play in an ecosystem?

Back

Plants produce oxygen and food, serve as habitats for animals, and help maintain soil health.

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among organisms in an ecosystem.

Front

What happens if a species in a food web decreases?

Back

If a species decreases, it can affect the entire food web, leading to increases or decreases in other species populations.

Front

What is a producer in an ecosystem?

Back

A producer is an organism, like a plant, that can make its own food using sunlight.

Front

What is a consumer in an ecosystem?

Back

A consumer is an organism that eats other organisms for energy, such as animals.

Front

What is a decomposer?

Back

A decomposer is an organism, like fungi or bacteria, that breaks down dead organic material, returning nutrients to the soil.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water through evaporation, condensation, and precipitation.