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21 Cards in this Set
- Front
- Back
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Why is it necessary for members of a species to reproduce?
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So they will not become extinct.
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In ______________, a single parent produces offspring.
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Asexual reproduction.
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An offspring produced by asexual reproduction is, __________________ to its parent.
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identical.
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When a part of a parent organism pinches off and forms a new organism, it's called...
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budding.
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Part of an organism breaks off, and new parts regenerate to form a new individual in the kind of asexual reproduction called...
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Fragmentation.
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Some organisms have the ability to ______________ body parts.
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regenerate.
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In sexual reproduction two parents each contribute part of the offspring's...
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genetic information.
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The female sex cell is known as....
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egg.
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The male sex cell is called...
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sperm.
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Sperm and egg combined is known as...
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fertilization.
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Genetic information is found in...
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genes.
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The combination of genes in sexual reproduction allows...
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It to have a vast variation for genes.
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Why is it good to have a variation of genes in sexual reproduction?
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It helps the species adapt to different environments over time.
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What happens during external fertilization?
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The sperm fertilizes the egg outside of the female's body.
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Why does external fertilization have to happen in moist areas?
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So the zygote will not dry out.
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an advantage of internal fertilization is?
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the fertilized eggs are protected.
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most mammals give birth to living young that...
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develop inside the female body.
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mammals that sexually reproduce help feed their young...
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milk.
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A monotreme...
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Lays eggs that hatch, then nourish and feed its children with milk.
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a placental mammal...
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Nourishes young inside of the body before birthing to well developed new born.
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A marsupial...
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Gives birth to partially developed young that continue to develop inside the mothers' pouch.
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