Environmental Science Final Sem 1

Front

What is speciation?

Back

The process by which new species form.

Front

What mechanism of evolution involves an accidental change in DNA?

Back

Mutation.

Front

Which biome has the highest net primary production?

Back

Boreal forest.

Front

What is resource partitioning?

Back

When different species specialize in using different parts of a resource, reducing competition.

Front

Which sphere are humans a part of?

Back

Biosphere.

Front

What is natural selection?

Back

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

Front

Define genetic drift.

Back

A mechanism of evolution that refers to random changes in the frequency of alleles in a population.

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

Explain the concept of niche partitioning.

Back

The process by which competing species use the environment differently to coexist.

Front

What is the hydrosphere?

Back

The combined mass of water found on, under, and above the surface of a planet.