Evolution and Ecology Review

Front

What is the equation for PHOTOSYNTHESIS?

Back

CO2 + light + H2O -> O2 + Sugar

Front

What happens to beneficial genes in a species over time?

Back

They become more common over time.

Front

Why are mutations important in evolution?

Back

They bring about genetic variation needed for a population to evolve.

Front

What is a producer in an ecosystem?

Back

An organism that makes its own energy.

Front

What effect does natural selection have on favorable alleles?

Back

It causes the frequency of favorable alleles to increase in a population.

Front

Define evolution.

Back

The change in the heritable characteristics of biological populations over successive generations.

Front

What is ecological succession?

Back

The process of change in the species structure of an ecological community over time.

Front

What is the role of decomposers in an ecosystem?

Back

They break down dead organisms and recycle nutrients back into the ecosystem.

Front

What is genetic drift?

Back

A mechanism of evolution that refers to random changes in allele frequencies in a population.

Front

Explain the concept of carrying capacity.

Back

The maximum number of individuals of a species that an environment can support sustainably.