ES 2024 Fall Semester Review

Front

What can a scientist infer if they find a fish fossil in the desert?

Back

The water covered the area long ago.

Front

What are the first species to populate an area at the beginning of primary succession called?

Back

Pioneer species.

Front

Which layer of sedimentary rock contains the oldest fossils?

Back

Layer C.

Front

What does homozygous mean in genetics?

Back

Same.

Front

What is the standard unit of length in the metric system?

Back

Meter.

Front

What is the process called when species gradually replace one another in an ecosystem?

Back

Succession.

Front

What is the term for the variety of life in an area?

Back

Biodiversity.

Front

What is the main source of energy for life on Earth?

Back

The Sun.

Front

What is the term for organisms that produce their own food?

Back

Autotrophs.

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.