Term
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Definition
| Everything that surrounds and influences an organism |
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Term
| T/F Can a living and nonliving thing be part of an ecosystem? |
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Definition
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| T/F An environment can NOT be called an ecosystem. |
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Definition
| False- it can be called an ecosystem |
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Term
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Definition
| anything that is living. ex: cat, dog, human, insect plant |
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Term
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Definition
| living organisms or products of living organisms. Ex: plants, animals, bacteria |
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Definition
| nonliving factors Ex: water, soil, temperature |
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Term
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Definition
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Term
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Definition
| all the individuals of one kind (species) in a specific place at one time. Involve only organisms |
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Definition
| are organisms that are studied to determine if an ecosystem is healthy. Ex. frogs and plant life |
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Term
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Definition
| all the interaction populations in a specific area. Ex. all the organisms in a forest |
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Term
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Definition
| individual, then population, lastly community. |
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Term
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Definition
| can be both beneficial or harmful. They can occur naturally and unnaturally and can occur from organisms in the ecosystem. |
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Term
| A volcanic eruption with ash the covers everything and destroys the habitats and food sources is a.... |
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Definition
| harmful change to an ecosystem. |
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Term
| Spraying pesticides to kill organisms is a ... |
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Definition
| unnatural change to an ecosystem. |
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Term
| One population in the community becomes too large and overtakes the community is a .... |
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Definition
form of organisms changing the ecosystem.
EX: snakehead fish |
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Term
| Any change in the ecosysem often sets off a .... |
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Definition
| chain reaction. Ex: pesitcides kill insects, the insects die, birds lose food, then die, snakes lose food, then die, hawks lose food, then die. |
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Term
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Definition
| controls the sizes of populations. |
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Term
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Definition
| food supply, predator, disease |
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Term
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Definition
| temperature, chemicals, weather related issues, lack of space. |
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