Review Final 1

Front

What are adaptations?

Back

Traits that help an organism survive.

Front

Define parasitism.

Back

One species benefits and the other is hurt or harmed.

Front

What is evidence of common ancestry?

Back

Fossil record.

Front

Why does secondary succession occur faster than primary succession?

Back

Because there is soil.

Front

Why do antibiotics destroy bacterial cells but not viruses?

Back

Viruses are not alive and do not carry out the life functions that are stopped by antibiotics.

Front

What is the definition of natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a biome?

Back

A large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil.

Front

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

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.