Ecology Vocabulary

What is the term for the following definition: the changes in an ecosystem that occur gradually through the colonization of new organisms?

• ecological succession

• photosynthesis

• mutation

• biomagnification

What is the term for the following definition: a type of ecological succession that occurs in an area where no biotic community previously existed, always beginning with barren rock?

• primary succession

• secondary succession

• climax community

• ecological restoration

What is the term for the following definition: first species to populate an area during succession; bacteria, moss, lichen, or fungi?

• pioneer species

• climax community

• keystone species

• invasive species

What is the term for the following definition: an organism made of a fungus and either algae or autotrophic bacteria that live together in a mutualistic relationship?

• lichen

• moss

• yeast

• fern

What is the term for the following definition: reestablishment of a damaged ecosystem in an area where the soil was left intact?

• secondary succession

• primary succession

• biomagnification

• eutrophication

What is the term for the following definition: stable, mature ecological community with little change in the composition of species?

• climax community

• pioneer species

• succession stage

• disturbed habitat

What is the term for the following definition: the amount of individuals belonging to the same species and... (incomplete definition)?

• population density

• biomass

• ecosystem

• habitat

What is the term for 'existing in a specific geographic location'?

• Ecology

• Migration

• Adaptation

• Extinction

What is the term for 'movement of individuals INTO a population'?

• immigration

• emigration

• adaptation

• mutation

What is the term for 'the largest population an area can support'?

• carrying capacity

• population density

• biotic potential

• limiting factor