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25 Cards in this Set
- Front
- Back
Ecosystem |
The living and nonliving things in an area make this up |
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Food Chain |
a model that shows the path of energy and nutrients in a ecosystem. |
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Abiotic Factor |
non-living things |
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Producers |
organisms such as plants and algae, that use the Sun's energy to make their own food |
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Consumer |
any animal that eats plants or other animals, they cannot make their own food |
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decomposer |
breaks down dead or decaying plant and animal material, they include fungi, bacteria, termites, and many worm species |
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herbivores |
animals that eat only plants examples: squirrels, deer, grasshoppers, giraffes, cows, and gorillas |
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carnivores |
animals that eat other animals, consumers, Ex: bobcats, lions, hawks |
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omnivores |
animals that eat plants and animals Ex: raccoons, bears, mice, people |
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Predator |
an organism that hunts and kills other organisms for food |
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prey |
organisms that are eaten by predators |
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population |
includes all members of a single species in an area at a given time |
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food web |
a network of food chains that have some links in common (several food chains put together) |
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competition |
the fight for limited resources |
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limiting factor |
any resource that restricts the growth of populations |
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biotic factors |
living things |
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carrying capacity |
the greatest number of individuals within a population that an ecosystem can support |
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adaptation |
any characteristic that helps an organism survive |
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structural adaptations |
adjustments to internal or external physical structures Ex: fur color, long limbs, ability to run fast |
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behavioral adaptations |
an adjustment in an organism's behavior ex: wolves traveling in packs, migration, hibernation |
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migration |
a movement of animals to find food, reproduce in better conditions, or find a less severe climate |
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hibernation |
a period of inactivity during cold weather |
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scavenger |
animals that feed on the remains of dead animals that they did not hunt or kill ex: vultures, raccoons, and some crabs |
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symbiosis |
a long term relationship between different kinds of organisms |
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energy pyramid |
shows the amount of energy available to pass from one level of the food chain to the next |