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food web ecosystem
Organisms and the Environment
| Term | Definition |
|---|---|
| Adaptation | Any characteristic that helps a plant or animal survive |
| Carnivore | An organism that gets energy by eating only other animals |
| consumer | An organism that gets energy from eating plants and animals |
| decomposer | an organism that breaks down the remains of dead plants or animals without need for internal digestion |
| Ecosystem | All living and nonliving things and all their interactions in an area |
| Herbivore | an organism that gets energy by eating only plants |
| Living organisms | all objects that have biological processes that keep them alive, such as plants and animals |
| nonliving | a part of the ecosystem that is not living, such as sunlight, air including oxygen, and carbon dioxide, water, rocks and soil |
| Omnivore | an organism that gets energy by eating both plants and other animals |
| organism | a single living thing like a plant or animal |
| producer | an organism that uses sunlight to make its own food for energy |
| symbiotic | a long-term relationship between two different kinds of organisms where one or both receive benefit |
| Population | All the interacting members of a species in a single area |
| Carrying Capacity | The Maximum population size that can be sustained by a given environment |
| Environment | The space, conditions, and all the living and nonliving things around an organism |
| Impact | To directly affect or change |
| Overpopulation | An increase in the number of individuals of a given species over what its ecosystem can sustain, often with both direct and indirect effects on other organisms in the ecosystem |
| Food web | An interconnected set of food chains |
| Food chain | A path of energy transfer from one organism to another |
| predator | An organism that hunts and feeds on another organism |
| prey | an animal that is hunted as food |
| interdependency | when the well-being of tow or more things is linked together |
| interact | objects that affect one another |
| habitat | a place where an animal or plant lives |
| conserve | to save or to prevent the loss of something |
| native population | a group of organism of the same species that occurs naturally in a particular ecosystem |
| invasive species | a species that enter an area from somewhere else and disrupts the native ecosystem |