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5th Science Ch 3 *2

5th Grade Science Chapter 3 Test Review

Question	Answer
An organism's energy role is determined by	How it obtains energy and how it interacts with other organisms
Energy enters most ecosystems as	Sunlight
Some organisms use sunlight to make their own food in a process called	Photosynthesis
An organism that can make its own food (the first organism in a food chain)	Producer
Producers are the source of all the food in an	Ecosystem
An organism that obtains energy by feeding on other organisms	Consumer
Consumers that only eat plants	Herbivores
Consumers that eat only animals	Carnivores
Consumers that eat both plans and animals	Omnivores
A carnivore that feeds on dead organisms	Scavengers
Breaks down wastes and dead organisms and return the raw materials to the ecosystem	Decomposers
The moment of energy through an ecosystem can be shown in diagrams called	Food Chains and Food Webs
A series of events in which one organism eats another and obtains energy	Food Chain
Feeds on a producer	First Level Consumer
Feeds on a first level consumer	Second Level Consumer
Most produces and consumers are part of	Many Food Chains
Consists of the many overlapping food chains in an ecosystem	Food Web
An ______ may play more than one role in an ecosystem	Organism
All of the world's food webs interconnect in what can be thought of as a	Global Food Web
Shows the amount of energy that moves from one feeding level to another in a food web	Energy Pyramid
The most energy is available at the _______ _______ of the pyramid	Producer Level
As you move up the pyramid, each level has _____ energy available than the level below	Less
Only about ____% of the energy at one level in transferred to the next higher level	10%
About ____% of the energy is used to the organism's life processes or is lost to the environment as heat.	90%
The amount of energy available at the producer level limits the number of consumers that the ecosystem can support is called	Carrying Capacity
Storm water ponds help ____ and ____ settle out so they don't get into natural bodies of water in the watershed	Pollutants and Sediments

Created by: RoperFive

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