8Th Science Immune System And Cells

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Population

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Total number of organisms in any area.

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Species

Back 2

A class of individuals having some common characteristics or qualities.

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Food web

Back 3

Any feeding relationships in a habitat.

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Biodiversity

Back 4

Diversity among and within plants and animals species in an environment.

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Symbiosis

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A close relationship between organisms in which at least one of the organisms benefits.

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Parasitism

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A relationship between organisms in which one lives as a parasite on another.

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Competition

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The act of competing for resources and survival.

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Mutualism

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A type of symbiosis which both partners benefit from living together.

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Commensalism

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Type of relationship between two species of a plant animal and fungus in which one lives with or on or in another without damage to either of the organisms.

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Predation

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The act of one organism preying on another.

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Photosynthesis

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The process of plants and some other organisms capturing energy from the sun to make food.

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Heterotroph

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An organism that can’t make it’s own food.

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Autotroph

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An organism that makes it’s own food.

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Abiotic

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Characterized by the absence of life or living organism.

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Biotic

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Pertaining to life.

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Habitat

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The place where an organism lives and where it obtains all the things it heads to survive.

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Niche

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a specific function or way of life for an organism

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Trophic Level

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Any class of organisms that occupy the same position in a food chain as a primary consumer secondary consumer and a tertiary consumer.

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Energy

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The capacity for activity or available power.

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Digestion

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The process that breaks down complex molecules of food into smaller molecules.

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Respiration

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The act of inhalation of oxygen for energy use.

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Molecules

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A particle made of two or more atoms bonded together.

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Cell

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The basic unit of structure and function in living things.

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Plant cell

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Eukaryotic cells that contain cell walls and large vacuoles

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Animal Cell

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Cells that are enclosed by plasma membrane and have many organelles.

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Organelles

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A tiny cell structure that carries out a specific function within the cell.

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Prokaryote

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An organism whose cells lack a nucleus and some other cell structures.

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Eukaryotic

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Complex cell or cells in which there are many organelles.