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Unit 4 Vocab

Published on Mar 07, 2016

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PRESENTATION OUTLINE

Unit 4 Vocab

Jared: Diliberto

Species

individuals that resemble one another, are able to breed among themselves, but are not able to breed with members of another species.
Photo by harinaivoteza

Habitat

the natural environment of an organism
Photo by JoelDeluxe

Population

all the individuals of one species in a given area.

Community

interacting populations occupying a given area.
Photo by Chris Yarzab

Ecosystem

a group of interconnected elements, formed by the interaction of a community of organisms with their environment.
Photo by Rob Weir

Ecology

biology dealing with the relations and interactions between organisms and their environment, including other organisms

Autotroph

any organism capable of self-nourishment by using inorganic materials as a source of nutrients
Photo by blmiers2

Heterotroph

an organism requiring organic compounds for its principal source of food.
Photo by haglundc

Consumers

an organism, usually an animal, that feeds on plants or other animals.
Photo by fPat

Producers

an organism, usually an animal, that feeds on plants or other animals.

Detritivores

an organism that uses organic waste as a food source
Photo by Andi Gentsch

Saprotroph

any organism that lives and feeds on dead organic matter
Photo by Michael Hodge

Trophic Level

any class of organisms that occupy the same position in a food chain
Photo by atiretoo

Food Chain

a series of organisms interrelated in their feeding habits
Photo by Pirotek

Food web

the entirety of interrelated food chains in an ecological community.
Photo by jurvetson

Quadrat

a square or rectangular plot of land marked off for the study of plants and animals.
Photo by arbyreed

Chi Square Test

a test devised that uses the quantity chi-square for testing the mathematical fit of a frequency curve to an observed frequency distribution.

Mesocosm

any outdoor experimental system that examines the natural environment under controlled conditions
Photo by Mary Keim