Science Common Assessment #1 Review

Front

What is the primary source of energy in most ecosystems?

Back

The sun.

Front

What human activities can help save biodiversity in ecosystems?

Back

Setting up wildlife refuges and protected parks.

Front

What is an example of a population depending on an abiotic factor?

Back

Coral reef organisms carry out photosynthesis using sunlight that passes through clear water.

Front

Why do organisms in overpopulated areas struggle to survive?

Back

Due to reduction in available food and shelter.

Front

What role do omnivores play in an energy pyramid?

Back

They are consumers.

Front

Define 'ecosystem'.

Back

A community of living organisms and their interactions with their environment.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

Front

What are abiotic factors?

Back

Non-living chemical and physical parts of the environment that affect living organisms.

Front

Give an example of a biotic factor in an ecosystem.

Back

Plants, animals, and microorganisms.

Front

What is the role of producers in an ecosystem?

Back

They convert sunlight into energy through photosynthesis.