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Science Ch 7
| Question | Answer |
|---|---|
| adaptation | a special characteristic or skill that helps a living thing survive in an environment |
| basic needs of all living things | food, water, shelter, and protection from predators |
| carnivore | a consumer that eats only other consumers |
| community | all the different species that live in a particular ecosystem |
| competition | ~occurs when two or more organisms try to use the same resources ~helps to keep an ecosystem in balance |
| consumer | an organism that depends on producers for food |
| decomposer | an organism that breaks down wastes and dead organisms |
| ecosystem | consists of all the living organisms and their environment in a certain section of the earth |
| energy pyramid | shows how energy moves through a food chain |
| environment | the nonliving part of an ecosystem |
| food chain | the transfer of energy and nutrients through a community |
| food web | several food chains linked together |
| habitat | the place where an organism lives |
| herbivores | consumers that eat only plants; are usually the second link of a food chain |
| hibernation | ~animal's body temperature drops ~breathing rate and heart rate slow down ~animal usually sleeps through the winter ~one way that animals adapt to their climate |
| host | the plant or animal that a parasite lives on or in |
| individual | each living member of an ecosystem |
| instincts | God-given basic knowledge and skills that it needed for survival |
| learned behavior | behaviors that cannot be inherited |
| migration | ~a whole group of animals leaves one ecosystem and moves to another ~can happen for many reasons: to find food or water, to avoid extreme weather, or to reproduce/raise their young |
| niche | an organism's specific job or function in an ecosystem |
| omnivore | organism that eats both plants and animals |
| parasite | any organism that lives on or in another organism and takes its food from that organism |
| photosynthesis | plants need sunlight, carbon dioxide, and water for __________________ |
| population | includes all the organisms of the same species that live in an ecosystem |
| predators | animals that hunt and eat other animals |
| prey | organisms that carnivores hunt |
| producer | ~an organism that gets its energy directly from the sun and changes the energy into a form that other organisms can use ~the beginning of every food chain |
| scavenger | keeps the ecosystem clean by eating what has already died |
| sun | the original source of energy for all living things |
| symbiosis | a special partnership that occurs whenever two species interact with each other over a long period of time |
| Why should a Christian learn about the interactions in ecosystems? | Understanding interactions in an ecosystem helps Christian exercise good dominion by living in habitats without destroying them. |
Created by:
tjahn
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