Chapter 2 Vocab

physical area in which an organism lives

• autotroph

• niche

• habitat

• predation

a symbiotic relationship in which both organisms benefit

• commensalism

• parasitism

• symbiotic

• mutualism

heterotroph that preys on other heterotrophs

• herbivore

• omnivore

• carnivore

• autotroph

heterotroph that consumes both plants and animals

• ominvore

• carnivore

• herbivore

• autotroph

simplified model that shows a single path for energy to flow through an ecosystem

• food graph

• food web

• food link

• food chain

exchange of matter through the biosphere involving living organisms, chemical processes, and geological processes

• carbon cycle

• water cycle

• biogeochemical cycle

• earth cycle

any living part of the environment with which an organism might interact

• abiotic factor

• living things

• biotic factor

• antibiotic factor

process in which nitrogen gas is captured and converted into a form plants can use

• denitrification

• nitrogen fixation

• nitrogen cycle

• nitrogen

symbiotic relationship in which one organism benefits and the other is neither helped nor harmed

• parasitism

• symbiosis

• mutualism

• commensalism

organism that cannot make its own food and gets its nutrients and energy requirements by feeding on other organisms , or a consumer.

• autotroph

• hererotroph

• carnivore

• herbivore