Ecosystems and Matter

Front

What happens to the numbers of organisms in ecosystems during periods of scarce resources?

Back

They will decrease.

Front

What is the source of energy for photosynthesis?

Back

Sunlight.

Front

Temperature, light, air, water, and soil are all _____ parts of the environment.

Back

abiotic.

Front

How does photosynthesis contribute to the flow of energy in organisms?

Back

By providing energy for cellular processes.

Front

What is the main cause-and-effect relationship being studied in ecosystems?

Back

The cause-and-effect relationships between resources and growth of individual organisms.

Front

Define an ecosystem.

Back

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

Front

What are biotic factors in an ecosystem?

Back

Biotic factors are the living components of an ecosystem, such as plants, animals, and microorganisms.

Front

What are abiotic factors in an ecosystem?

Back

Abiotic factors are the non-living components of an ecosystem, such as sunlight, temperature, and water.

Front

What role do producers play in an ecosystem?

Back

Producers, like plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is the process of photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.