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Ch 4 Ecosystems

Sarah Covarrubias

Introduction to Ecosystems

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4.Pg 86 organisms that eat other organisms instead of producing their own food
6.Pg 82 a large region characterized by a specific kind of climate and certain kinds of plants and animals
9.Pg 80 the variety of organisms that live in an area
10.Pg 86 include bacteria and fungi and are organisms that break down the remains of animals
12.Pg 89 _________ Pyramid- a triangular diagram that shows an ecosystem's loss of energy
17.Pg 82 Climate is determined by two factors; temperature and ____________.
1.Pg 86 Usually the plants in an ecosystem, the basic food source for the ecosystem
2.Pg 87 Food _____ - A complicated, interconnected group of food chains
3.Pg 86 ________ level- each step in the transfer of energy through an ecosystem
5.Pg 79 a community of organisms and their abiotic environment
7.Pg 81 the replacement of one type of community by another at a single location over a period of time
8.Pg 81 The first organisms to appear in a newly made habitat
11.Pg 81 An ecosystem responds to change in such a way to restore that ecosystem to ____________.
13.Pg 82 the average weather conditions in an area over a long period of time
14.Pg 79 a group of various species that live in the same place and interact with one another
15.Pg 80 a place where an organism lives
16.Pg 87 Food ________- The flow of energy from one level to the next in an ecosystem

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