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Chapter 22

food chain the passing of materials and energy from one organism to an other
decomposer organism food chains end with a specific type of consumer
food web all of these interrelated food chains and and many others that are possible in an ecosystem to form an _____
ecological pyramid used to illusrate energy relationships in a food chain
herbivore organisms that eat plants
carnivore organisms that eat other animals
omnivores organisms that eat both plants and animals
biomass the dried mass of living matter in a given area of the habitat
preditor an animal that feeds on other animals
prey animals that the preditor eats
independent organism one that exists without the aid of other members of the same species
animal society forms when a number of animals from the same species live together
social insects some of the most rigid animal societies are found among the _____
competion the struggle between organisms for some essential factor that is in short supply in the enviroment
commensalism a relationship between two population that benifits one and does not hurt or help the others
scavengers the animals that eat dead or decaying bodies
epiphytes plants that usually grow on the branches of treesbut do not take nourishment from trees
mutualism a relationship between two population that is beneficial to both
Created by: siah808