Earth Science

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Ban

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To forbid by law

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Ecology

Back 2

The interactions among living and nonliving things in their environment

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Ecologist

Back 3

A scientist who studies ecology

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Biotic Factor

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A living thing of the environment

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Abiotic Factor

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A nonliving part of the environment

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Microorganism

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An organism too small to be seen without being magnified

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Domain

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The highest level of classification of living things

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Kingdom

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The second level of classification of living things

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Mineral

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An element or combination of elements found in the earth

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Population

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A group of organisms of the same species that live in the same area

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Community

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A group of different species that live in the same area

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Matter

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Anything that has mass and takes up space

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Reproduction

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The process by which living things produce offspring

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Cellular Respiration

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The process sells used to release energy from food

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Molecule

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The smallest part of a substance that has the same part of the substance

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Recycle

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To reuse the same matter in different forms

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Producer

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An organism that makes its own food

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Photosynthesis

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A process plants use to change energy from the sun into stored sugars

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Pigment

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A chemical that certain kinds of light energy

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Chlorophyll

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A green pigment of plant that absorbs sunlight

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Chloroplast

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A structure in a sun that harvests energy from the sun

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Organic

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Living or once-living containing carbon

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Food Chain

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The feeding order of organisms in a community

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Food Web

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All the food chains in a community that are linked together

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Primary Consumer

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An herbivore that feeds on plants

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Secondary Consumer

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A carnivore or omnivore that feeds on herbivores

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Tertiary Consumer

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A carnivore and omnivore that feeds on other consumers

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Energy Pyramid

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A diagram comparing the amounts of energy available to populations at different levels

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Niche

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The roles of organism that plays in an ecosystem

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Competition

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A relationship in which individuals or populations try to use same limited resource

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Coexist

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To exist in the same time, in the same place

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Chemosynthesis

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A process bacteria and other life forms use to create energy from chemicals

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Nourishment

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Food

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Predator

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An organism that hunts and feeds on other consumers

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Prey

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A consumer that is eaten by another organism

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Predation

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A relationship in which one specie eats another species

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Boom-bust Cycle

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A cycle in which predators increase as prey increases, and predators decrease as prey decreases

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Camouflage

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Color, patterns, or behaviors that help organisms hide in their surroundings

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Warning Coloration

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The bright colors or patterns on animals that scare off predators

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Mimicry

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A method of defense in which a species looks, sounds, or acts like a dangerous species

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Succession

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The process of ecological change in a community time

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Lichen

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An organism made up of a fungus, a green alga, and a cynobacteria

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Ignorganic

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Not containing carbon

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Primary succession

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Succession and a lifeless environment that creates a community

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Erode

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To break apart or Wear away

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Pioneer species

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The first species to arrive in an area

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Climax community

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The last step in the succession of an ecosystem

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Distribution

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The location of species in a community

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Secondary succession

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Succession in an environment that was disturbed by humans or natural causes

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Old-growth Forest

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A forest containing trees that can be hundreds or thousands of years

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Diverse

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Varied

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Consumer

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An organism that feeds on other organisms

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Herbivore

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An animal that eats only plants

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Carnivore

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An animal that eats other animals

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Carrion

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A dead animal or rotten meat

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Scavenger

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An animal that feeds on dead animals

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Omnivore

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An animal that eats both plants and animals

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Decomposer

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An organism that down dead organisms and other organic waste