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Dyches 5th Science

Life Science Vocabulary

Living Element Part of an ecosystem that requires energy to survive and has basic needs met in order to survive.
Non Living Element Part of an ecosystem that is not living such as the sun, water, air, rocks or soil.
Ecosystem All living and nonliving things that interact together.
Biotic Another meaning for organisms that are alive.
Abiotic Another meaning for organisms that are NOT alive.
Change To make different.
Direct Observable evidence.
Indirect Inferred evidence.
Impact Direct effect or change.
Organism Any living thing.
Producer An organism that makes its own food.
Consumer An organism that gets its energy from eating other organisms.
Predator An organism that hunts and kills other organisms for food.
Prey An organism that is hunter and eaten by a predator.
Parasite An organism that must live on or inside another living organism in order to get its energy.
Host The organism that a parasite lives in or on.
Decomposer An organism that breaks down dead organisms and waste.
Food Chain Shows the path of energy from one organism to another.
Food Web Many overlapping food chains linked together.
Herbivore Animals that eat only plants.
Carnivore Animals that eat only meat.
Omnivore Animals that eat both plants and animals.
Habitat The environment where an organism lives.
Aquarium A transparent tank where fish and other water organisms are kept.
Terrarium A transparent container full of plants that can house small animals.
Environment The surroundings/area where an organism lives.
Population All of the same type of organisms living in the same environment.
Species A group of organisms of the same kind that can produce offspring like themselves.
Community All of the populations living together in the same environment.
Niche The role or job an organism plays in the environment.
Competition Organisms fight against another species to reach a goal, usually to survive or reproduce.
Endangered A plant or animal that is found in such small numbers that it is almost extinct
Extinct A plant or animal species that is no longer alive.
Nocturnal Active at nights and sleeps in the day. Ex: Bats
Camouflage To blend into one's surroundings.
Vegetation All the plant life in an ecosystem.
Interdependence The living things that depend on each other.
Decomposition The process in which dead organisms are broken down and returned to the soil.
Migration The seasonal movement of animals from one place to another.
Hibernation An animal's body processes slowing down for survival in extreme conditions.
Mimicry To pretend to be or look like another organism for protection. Ex: Coral Snake
Role The part it plays, its position or duty.
Offspring New organisms that come from a parent organism.
Inherited Traits A characteristic that is passed from parents to offspring. Ex: Hair color, eye color, skin tone, etc...)
Heredity The passing of physical characteristics from parents to offspring.
Instinct A behavior an animal does without being taught. (Ex: migration, hibernation, building a nest, spinning a web, etc...)
Structural Adaptation Physical features of an organism. (Fur)
Adaptation Something an organism has that helps it survive in its environment. (Ex: Wings for flying, claws, beak, etc...)
Learned Behaviors A characteristic that an organism learns by observing other organisms. Ex: Reading, Playing sports, dancing, manners, etc...
Life Cycle The stages of growth and development that an organism goes through during its lifetime.
Overpopulation A population that is greater than the resources available in an ecosystem.
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