2022 Released Science STAAR: Q21-30

Front

What substance were students trying to determine in breakfast cereal?

Back

Iron

Front

What does the discovery of palm plant fossils in Alaska suggest about the past climate of that area?

Back

It was warmer than it is now.

Front

Which Texas land formation was formed by a river?

Back

A canyon at Palo Duro Canyon State Park.

Front

What is an example of an inherited trait in insects?

Back

A butterfly’s black-and-yellow stripes.

Front

Which organisms rely on the same food source in a grassland ecosystem?

Back

Snakes and hawks.

Front

What is the definition of a food web?

Back

A food web is a system of interrelated food chains in an ecosystem.

Front

What is an inherited trait?

Back

A characteristic passed from parents to offspring.

Front

What is the role of producers in an ecosystem?

Back

Producers create energy through photosynthesis.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms, while a food web is a complex network of interconnected food chains.

Front

What is an example of a consumer in a grassland ecosystem?

Back

A rabbit.