NGSS CAST Life Science Core

Front

What is commensalism?

Back

A type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

Front

What is mutualism?

Back

A type of symbiotic relationship where both organisms benefit from the interaction.

Front

What is a beneficial mutation?

Back

A genetic change that enhances an organism's ability to survive and reproduce in its environment.

Front

What is an ecosystem?

Back

All the living and nonliving things interacting in a particular area.

Front

What does abiotic mean?

Back

Refers to the nonliving parts of an ecosystem, such as air, water, and minerals.

Front

What is biotic?

Back

Refers to the living components of an ecosystem, including plants, animals, and microorganisms.

Front

What is parasitism?

Back

A type of symbiotic relationship where one organism benefits at the expense of another.

Front

What is competition in ecology?

Back

The struggle between organisms for the same resources in an ecosystem.

Front

What is a point mutation?

Back

A change in a single nucleotide in a DNA sequence.

Front

What is the biosphere?

Back

The global sum of all ecosystems; the zone of life on Earth.