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Organism&Environment

Ecosystems

TermDefinition
Living requires energy to grow and reproduce
Nonliving something that does not require basic needs
Once Living an organism that is no longer alive
Niche the role of an organism in its ecosystem
Organism a living thing
Ecosystem the living and nonliving things in an area
Interdependence a relationship between living and other living and/or nonliving things for survival
Food Web a system of food chains showing different ways energy moves through an ecosystem
Producer an organism that makes its own energy
Consumer an organism that must eat to get energy
Decomposer an organism that breaks down energy
Predator an organism that hunts other animals
Herbivore a consumer that eats only plants
Omnivore a consumer that eats both plants and animals
Carnivore a consumer that only eats other animals
Food Chain describes how different organisms eat each other, begins with a plant and ends with an animal, a single line showing a producer, consumer and decomposer
Structure a body part
Function the purpose of a structure
Mimicry looking like another living thing to avoid predators
Adaptation a characteristic that helps a living thing survive
Camouflage a body covering that blends in with the environment
Hibernation a deep, sleep-like state
Learned Behavior behavior acquired through practice or observation
Heredity the passing on of traits
Behavior an action
Offspring result of reproduction between two parent organisms
Inherited Trait characteristic passed from parent to offspring
Acquired Trait characteristics that is a result of the environment
Model a representation used to help us better understand complex ideas
Fossil preserved remains of an ancient organism
Extinction occurs when all living members of a species die off
Fossil Record the organization of life and environments from long ago
Overgrazing when too many plants are eaten within an area
Invasive Species a foreign species that causes harm
Deforestation the removal of major sections of trees in an area
Pollution a harmful substance in the environment
Overpopulation too many of a species in an area
Erosion movement of sediment by wind, water, or ice
Disease a condition that interferes with normal functioning
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