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25 Cards in this Set
- Front
- Back
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an organism that feeds on other organisms
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heterotrough
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an organism that produces food for itself
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autotrough
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what is the central organelle of the cell that contains the genetic material
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nucleus
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what organelle is considered the powerhouse of the cell and is the main site for cellular respiration?
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mitochondria
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what is the liquid matrix surrounding all of the organelles within the cell
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cytoplasm
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what major extinction killed the dinosaurs
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Permian extinction
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what is the most likely cause of the permian extinction
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meteor crash
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atmospheric nitrogen is converted only by what two types of organisms
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fungi and bacteria
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the main structural unit of a fungus is
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hyphae
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what material are plant cell walls made of
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cellulose
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what separate mammals from other animals on the planet
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mammary glands
(other animals have hair also) |
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when water turns from a liquid to gas it is called
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evaporation
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when water turns from a gas to liquid it is called
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condensation
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cells that work together in the same function are know as
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tissues
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tissues that work together for the same function are known as
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organs
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organs that work together are called
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organ systems
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the division of a cell into two exact copies is called
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mitosis
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what is the order of classification of organisms from the most broad to the most specific (hint: starts with kingdom)
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kingdom, phylum, class, order, family, genus, species
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symbiotic relationship when one organism is helped and another is neither helped nor harmed
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commensalism
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symbiotic relationship in which both organisms benefit
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mutalism
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symbiotic relationship in which one organism is helped and another is harmed(generally without killing the one harmed)
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parasitism
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when a sperm and egg fuse it is know as
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fertilization
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what are the four common base pairs in a DNA molecule
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thymine, cytosine, adenine, guanine
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do plant or animal cells contain cell walls
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plants only
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do prokaryotic cells or eukaryotic cells contain a nucleus
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eukaryotic only
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