Unit 07 Vocab Quiz

process by which an animal or plant species becomes fitted to its environment; it is the result of natural selection’s acting upon heritable variation

• Adaptation

• Biodiversity

• Ecological succession

• Genetic Variation

the changing sequence of communities that live in an ecosystem during a given time period

• Adaptation

• Biodiversity

• Ecological succession

• Genetic Variation

variety of organisms in an ecosystem or biome

• Adaptation

• Biodiversity

• Ecological succession

• Genetic Variation

Measure of the diversity of forms of genes (alleles) present in a population.

• Adaptation

• Biodiversity

• Ecological succession

• Genetic Variation

A system that includes all living organisms (biotic factors) in an area as well as its physical environment (abiotic factors) functioning together as a unit.

• Limiting factor

• Population

• Ecosystem

• Habitat

a condition or resource that keeps a population at a certain size

• Limiting factor

• Population

• Ecosystem

• Habitat

first organisms to live in an area

• Species

• Biotic

• Climax community

• Pioneer species

a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.

• Species

• Biotic

• Climax community

• Pioneer species

a process that develops a biotic community in a previously uninhabited and barren habitat with little or no soil

• Primary succession

• Genetic Variation

• Ecological succession

• Secondary succession

a process started by an event that reduces an already established ecosystem to a smaller population of species

• Primary succession

• Genetic Variation

• Ecological succession

• Secondary succession