Biology: Ecology

Growth due to unlimited resources, limited predators/disease, and constant reproduction rate

Process in which autotrophs use light to create carbohydrates

Emigration causes populations to

Total amount of living tissue within a trophic level

Consumer that feeds on plant and animal remains and other dead matter

Group of individuals that belong to the same species living in the same area

Collection of all organisms that live in a particular environment with abiotic factors

Type of community interaction that involves one species living in or on another causing harm

Organisms that break down organic matter

Process in which water evaporates from the leaves of a plant

Group of ecosystems that have the same climate and similar dominant communities

Combined parts of the planet in which all life exists

Competition is an example of ____________ limiting factors

When a species disappears from all or port of its range

First species to live in an area of primary succession

Heterotrophs that eat both plans and animals

Area where an organism lives

Collection of different populations that live together in the same area

Movement of idividuals out of an area

Group of communities on land covering a large area, characterized by certain soil and climate

Predator-prey relationships are examles of density-dependent limiting factors

A physical factor that influences an ecosystem

Each step in a food chain or food web

Process in which bacteria converts nitrates into nitrogen gas

Sum of all the genetically based variety of all organisms in the biosphere

An example of a biotic factor

Earth's three main climate zones are the result of ...

Atmospheric gases trap the sun's heat and keep the Earth's surface warm

Number of individuals per unit area

Rain that forms from pollutants and kills plants

Proceess in which organisms use chemical energy to produce carbohydrates

Organism that can capture energy and use it to produce food