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Chapter 2, Sections 1-2 Science
Terms in this set (20)
An organism that can make its own food is a ________.
An organism that obtains energy by feeding on other organisms is a _____________.
________ breaks down wastes and dead organisms and return the raw materials to the ecosystem.
Consumers that eat only plants are ___________.
Consumers that eat only animals are____________.
Consumers that eat both plants and animals are_________.
A ________ is a series of events in which one organism eats another and obtains energy.
A _________ consists of the many overlapping food chains in an ecosystem.
A diagram called an ______ shows the amount of energy that moves from one feeding level to another in a food web.
The______________ is the continuous process by which water moves from Earth's surface to the atmosphere and back.
The process by which molecules of liquid water absorb energy and change to a gas is called___________.
The process by which a gas changes to a liquid is called ___________.
Eventually the heavy drops fall back to Earth as _________- rain, snow, sleet, or hail.
The process of changing free nitrogen into a usable form of nitrogen is called __________.
True or False: In ecosystems, the processes by which carbon and oxygen are recycled are linked. Producers, consumers, and decomposers play roles in recycling carbon and oxygen.
True or False: In the nitrogen cycle, nitrogen moves from the soil to the air, into nonliving things, and back into the soil.
True or False: The processes of evaporation, condensation, and precipitation make up the water cycle.
True or False: The most energy is available at the Third-Level Consumers. As you move down the pyramid, each level has more energy available than the level below.
True or False: The movement of energy through an ecosystem can be shown in diagrams called food chains and food webs.
True or False: Each of the organisms in an ecosystem fills the energy role of herbivores, carnivores, or omnivores.
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