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Define: SYSTEM
a group of parts that work together as a unit
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Define: STABILITY
that over time the changes in a system cancel each other out.
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Define: ECOSYSTEM
group of living things and the environment they live in
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Define: POPULATION
a group of the same species living in the same place at the smae time
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Define: COMMUNITY
is made up of all the populations that live together
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Define: HABITAT
an environment that meets the needs of the organisms living there
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Define: NICHE
role of a population in a habitat
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Define: PRODUCER
things that make thir own food
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Define: CONSUMER
eat other living things for energy
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Define: DECOMPOSER
feeds on the wastes of plants and animals or on their remains after they die
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Define: CLIMATE
the average weather over a long time
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Define: DIVERSITY
variety of plants and animals
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Define: SALINITY
the amount of salt
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Define: ENERGY PYRAMID
shows how much food energy is passed from one organism to another along the food chain
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Define: FOOD CHAIN
the way energy moves throught eh ecosystem. It has three levels Producers, consumers, and decomposers
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Define: OPEN-OCEAN ZONE
deepest part of the ocean
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what is open-ocean zone like
sunlight cannot reach the bottom and few organisms can live there but living things can be found near the surface in the open-ocean zone
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what does near shore zone like
water is shallow so light can shine through all the way to the bottom and has many kinds of life
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Define: NEAR-SHORE ZONE
starts at the low tide mark and gose out into the ocean.
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can plants live in intertidal zone
yes but have to be able to live through daily changes caused by tides
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Define: INTERTIDAL ZONE
a morrow strip along the shore taht is covered with water during high tides
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name some producers
aglae, trees, grass, bushes, flowers
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names some consumers
people, snails, bears, fish, animals
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names some decomposers
turkey vultures, flys, ants,
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