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34 Cards in this Set
- Front
- Back
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when one organism works against another to get what it needs to live
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competition
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an animal that hunts other animals for food
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predator
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the animal a predator hunts
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prey
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the job or role an organism has in an ecosystem
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niche
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a characteristic that helps an organism survive in its encironment
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adaptation
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an adaptation that allows animals to blend into their surroundings
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camouflage
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to not survive
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perish
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to find a new home
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relocate
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in danger of becoming extinct
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endangered
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when there are no more of a certain plant or animal
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extinct
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the outer layer of skin
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epidermis
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a substance that gives skin its color
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melanin
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a part o0f the body that makes substances the body needs
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gland
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the layer of skin just below the epicermis
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dermis
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cells that cary messages to and from all parts of the body
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nerve cells
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a tiny opening in the skin
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pore
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one celled living things
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bacteria
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a tiny particle that can reproduce only inside a living cell
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virus
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cells in the blood that fight bacteria and viruses
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white blood cells
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a chenmical made by the immune system to fight a particular disease
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antibody
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the body's ability to fight diseases caused by germs
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immunity
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a medicine that causes the body to form antibodies against a certain disease
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vaccine
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substances taht your body needs for energy and growth
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nutrients
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substances used by the body as its main source of energy
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carbohydrates
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substances that are used by the body as long-lasting sources of energy
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fats
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substances that the body uses for growth and the repair of cells
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protein
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material tha thelps move wastes through the body
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fiber
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substances used by the body for growth
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vitamins
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the process of breaking down food
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digestion
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thousands of cells on your tongue that send the signals for sweet, sour, bitter, and salty to your brain
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taste buds
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a liquid in your mouth that helps soften and break down food
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saliva
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part of your body with walls made of strong muscles that squeeze and mash food
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stomach
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a tube-like part of your body where most digestion takes place
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small intestine
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the part of the body that removes water from undigested food
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large intestine
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