6th grade 2nd Nine Weeks Assessment

Front

What are abiotic factors?

Back

Non-living chemical and physical elements in the environment.

Front

A paramecium is an example of a:

Back

protozoan.

Front

What is taxonomy?

Back

The science of classifying and naming living things.

Front

What is the definition of a population?

Back

All the members of a species living in the same area.

Front

What are limiting factors?

Back

Things in the environment that challenge a species existence, such as over-population, shortage of food, disease, predators, and harsh environmental conditions.

Front

What is an ecosystem?

Back

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

Front

Define biotic factors.

Back

Living components of an ecosystem, such as plants, animals, and microorganisms.

Front

What is natural selection?

Back

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

Front

What is genetic variation?

Back

Differences in DNA among individuals within a population.

Front

What is a habitat?

Back

The natural environment in which a species lives.