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Chapter 22
Question | Answer |
---|---|
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 |