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Environmental Scienc

Chapter 2 Study Guide

Which ecosystem is found where the fresh water of a river meets the salt water of the ocean? estuary
What is always the first organism in a food chain? producers
What ecosystem are pond and rivers a part of? freshwater
Which biome is extremely cold and dry? tundra
What is a group of land ecosystems with similar climates and organisms called? biome
What are the bumps some bacteria that fix nitrogen live in? nodules
What process do producers use carbon from carbon dioxide to produce other carbon-containing molecules? photosynthesis
What is a diagram that shows the amount of energy that moves from one feeding level to another in a food web? energy pyramid
What do many overlapping food chains in an ecosystem make up? food web
What are consumers that eat both plants and animals called? omnovore
What type of consumer is a cat that eats a mouse that eats grass? secondary consumer.
every day?
Created by: traci415