Set: Chapter 12-basic overview

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All 11 Terms

Term Definition
asexual reproduction one parents; offspring clones; variation thru mutation-->slow evolution
sexual reproduction fusion of egg and sperm--> offspring genetic recombination; large amount of variation-> rapid evolution
external fertilization needs: moisture, correct timing, must release millions of gametes ->use of lots of energy; greater risk of environmental hazards; increase of gametes and infant mortality
internal fertilization greater change sperm meets egg inside body, decrease in embryo death-fewer environmental hazards; courtship rituals
budding type of asexual reproduction; ex: yeast and hydra
segment propagation stem cutting, leaf cutting, grafting, runners and rhizomes
spores one-celled reproductive cell that is usually resistant to harsh environmental conditions and may remain dormant for long periods
stem cutting cut plant stems in half and they re-grow into a new plant
leaf cutting plant leaf of a plant into ground and plant will grow
runner + rhizomes attachment of plants ex: spider plant, strawberries, crab grass
grafting creating a new plant by cutting two and combining them together

Set Information

Terms 11
Creator lhashemi
Created March 6, 2008
Groups None
Tag biology
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lhashemi : Changed internal fertilization → greater change sperm meets egg, decrease in embryo death-fewer environmental hazards; courtship rituals to internal fertilization → greater change sperm meets egg inside body, decrease in embryo death-fewer environmental hazards; courtship rituals
lhashemi : Changed sexual → fusion of egg and sperm--> offspring genetic recombination; large amount of variation-> rapid evolution to sexual reproduction → fusion of egg and sperm--> offspring genetic recombination; large amount of variation-> rapid evolution
lhashemi : Changed asexual → one parents; offspring clones; variation thru mutation-->slow evolution to asexual reproduction → one parents; offspring clones; variation thru mutation-->slow evolution
lhashemi : Changed segment propagation → stem cutting (cut stems in half it will re-grow), leaf cutting (plant the leaves and the plant will grow), runners + rhizomes, grafting (producing man-made plant by combining two plants together to segment propagation → stem cutting, leaf cutting, grafting, runners and rhizomes
lhashemi : Changed stem-cutting → cut plant stems in half and they re-grow into a new plant to stem cutting → cut plant stems in half and they re-grow into a new plant
Last Message: 7 months ago

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Most Missed Words

  1. spores → one-celled reproductive cell that is usually resistant to harsh environmental conditions and may remain dormant for long periods - 4 misses
  2. segment propagation → stem cutting, leaf cutting, grafting, runners and rhizomes - 3 misses
  3. runner + rhizomes → attachment of plants ex: spider plant, strawberries, crab grass - 3 misses
  4. stem cutting → cut plant stems in half and they re-grow into a new plant - 2 misses