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21 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is a system?
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a group of parts that work together as a unit
Example= everything in a yard is a system |
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In an _________ system, things from the outside come in (INPUT)and things are let out.(OUTPUT)
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OPEN
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What does stability in a system mean?
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A system in balance (If something is added it is later taken out!)
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A group of the same species living in the same place at the same time is a _________________ .
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population
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The deepest part of the ocean is called the ____________________ .
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open-ocean zone
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The ___________ is a shallow area of ocean water that provides a habitat for many forms of life.
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near-shore zone
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Groups of living things and the environment they live in make up an ________ .
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ecosystem
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A group of the same species living in the same place at the same time is a ___________ .
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population
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A forest may have several ____________ of different kinds of trees.
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A _________ is made up of all the populations that live in the same area.
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community
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Animals in a c__________ eat plants and other animals in the c__________ .
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An environment that meets the needs of an organism is called its _______ .
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habitat
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Their h______ is their home.
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Part of a bird's _______, or role, in their habitat is to eat insects.
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niche
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Producers, consumers, and decomposers are all part of a ______ ________.
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food chain
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Green plants are ________ because they make their own food.
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producers
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______ eat other living things for energy.
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consumers
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They c_______ other living things!
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________ feed on the wastes of plants and animals or on dead bodies.
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Decomposers
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D_____ feed on Dead animals.
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A _____ ______ shows how food chains are connected.
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food web
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The _______ in an area is the average weather over a long time.
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climate
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A rain forest has a great ______ (variety) of plants and animals.
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diversity
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What is salinity?
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amount of salt in the water
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A ______ is a group of parts that work together as a unit.
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system
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Example: Everything in a yard is a s____.
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Over time the changes in a system cancel each other out. This is called ________ . This keeps the system balanced.
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stability
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Example: Plants in a yard stop growing in the winter but begin to grow again in the spring. This shows s_______ in the system.
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