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Definition
| A group of organisms that can breed and produce fertile offspring. |
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| Members of the same species that live in the same area. |
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Definition
| All the populations in an ecosystem |
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Definition
| Living factor in an ecosystem |
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Definition
| Nonliving factor in an ecosystem |
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Definition
| All the living organisms in a particular location, together with their nonliving environment |
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| A large area that has the same climate and communities |
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Definition
| The region of the Earth that supports life |
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Definition
| A diagram that shows feeding relationships and energy transfer |
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Definition
| A group of food chains that shows multiple feeding relationships |
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Definition
| The area where an organism lives |
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Definition
| The role an organism plays in its environment. |
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Definition
| A factor that prevents the growth of a population. |
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| Number of organisms that an environment can support. |
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Definition
| Study of relationships between organisms and their environment |
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Definition
| Where does energy in the system orginate? |
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Term
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Definition
| What does each slice of the pyramid represent? |
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Term
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Definition
| What kind of population forms the base of every food chain? |
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Term
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Definition
| What term would describe the first consumer in a food chain? |
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Definition
| What term would describe the second consumer in a food chain? |
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Definition
| What term would describe the third consumer in a food chain? |
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Definition
| Which way does the flow of energy travel through the pyramid? |
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Term
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Definition
| All food chains always have a ______. |
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Term
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Definition
| _________are ALWAYS primary consumers. |
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Definition
| ________can occupy any level of the food chain. |
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Definition
| ________can occupy any level but the 1st level of the food chain. |
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Term
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Definition
| Poplations get ___________ the further up the pyramid they go. |
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Definition
| Only about 10% of __________is transferred from one trophc level to the next. |
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Term
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Definition
| Most of the energy is used by the organism at the trophic level for growth and _________. |
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Term
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Definition
| Much of the energy is lost to the environment as _______. |
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Term
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Definition
| What happen to the amount of biomass at each trophic level? |
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Term
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Definition
| What is the amount of living mass within a trophic level? |
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Definition
| An organism that must consume another organism for energy. |
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Definition
| A relationship in which two species live closely together. |
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Definition
| A form of symbiosis in which one member of the relationship benefits and the other is neither helped or harmed. |
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Definition
| A form of symiosis in which both members of the relationship benefit. |
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Definition
| A form of symbiosis in which one member of the relationship benefits and the other is harmed. |
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Definition
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Definition
| A diagram that shows the amounts of energy or mass within each trophic level of a food chain. |
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Definition
| Relationship in which one organism feeds on another organism. |
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Definition
| An organism that gets its energy from the remains of other organisms. |
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Term
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Definition
| Which population example uses energy from the Sun to make its own food? |
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Term
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Definition
Water Cycle:
__________is when the sun heats up water in rivers or lakes or the ocen and turns it into vapor or steam. |
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Term
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Definition
Water Cycle:
__________is the process by which plants lose water out of their leaves. |
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Definition
Water Cycle:
__________is when water vapor in the air gets cold and changes back into liquid, forming clouds. |
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Term
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Definition
Water Cycle:
_________occurs when so much water has condensed that the air cannot hold it anymore. |
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Definition
Water Cycle:
_________is when water falls back to earth as precipitation. |
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Carbon Cycle:
Entry of carbon from _______ into the animal world. |
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Term
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Definition
| Cold, dry, treeless region |
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Term
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Definition
| Contain mammals that graze; has dry season |
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| Temperate deciduous forest |
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Definition
| Region dominated by trees which lose their leaves every autumn |
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Definition
| Contain trees with needlelike leaves and animals such as the black bear, cougar, and owl. |
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Definition
| Home to more species than anywhere else in the world: near the equator |
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