Study

Natural Selection and Adaptation

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  • Name 2 ways an animal can help with plant reproduction.
    spreading pollen, moving and planting seeds.
  • Mutations are a change in what?
    DNA
  • Why do organisms need to attract a mate?
    To pass on their traits
  • When the better adapted organisms survive to pass traits along to offspring it is called...
    Natural Selection
  • Tell me an example of courtship.
    dance, bright colors, fighting, song...
  • The process to create an organism with desired traits from parents with those desired traits to benefit humans
    Selective breeding
  • Only male white-tailed deer grow antlers. The growth of antlers is triggered by the decrease of daylight hours during fall. Male deer growing antlers is an example of a genetic, environmental or both factors?
    both
  • If in 2020 there was an extremely snowy winter how would the frequency of each of the color morphs be affected?
    More white
  • Two of the same plants receive different amounts of water. The plant with less water grew less than the other. Is this an example of genetic, environmental or both factors?
    environmental
  • What is a behavior in animals that occurs before and during mating, often including elaborate displays
    Courtship
  • A person breeding two white roses to get a white rose is an example of?
    Selective breeding
  • What part of the plant is a seed found in?
    fruit
  • Evidence shows that over time more brown mice survive in areas with brown rocks. How did this variation arise over time?
    Natural selection
  • Changes of individuals of a species that allow for better survival is know as...
    adaptaion
  • If conditions and predators stay the same, what color of springbok is most likely to be found there in 100 years?
    Normal
  • When the environment changes an organism either dies or ...
    adapts
  • Besides environmental factors what would make one plant produce more flowers than another?
    Genetics, different genes
  • The arctic hare is difficult to see against the snowy backdrop, which protects it from predators. What is this called?
    Camouflage
  • What is a negative result of selective breeding?
    The number of genes and traits in a population will decrease because only select individuals are bred.
  • Evidence shows that the wolf is the ancestor to many breeds of dogs. How did this variation arise over time?
    Selective breeding
  • Why are advantageous traits more likely to be passed onto offspring?
    Because they are more likely to survive and reproduce.
  • Males fight for a mate to show that they...
    are dominate and have the best traits to pass on.