Check all of the following examples that show how symblosls leads to coevoiution
ID: 222520 • Letter: C
Question
Check all of the following examples that show how symblosls leads to coevoiution. Check All That Apply The flower of a plant species evolves a color which falls into a range that is visible by its pollinator. LU Giraffes that eat leaves from trees evolve ionger necks to reach high branches of the tree. Wild dogs that were domesticated evolve loving behaviors toward humans. Bacteria that live within the gut of cows helping them digest grass evolve tolerance to low oxygen conditions inresponse to global warming, fish evolve tolerance to higher temperatures.Explanation / Answer
A, C and D possibly show symbiosis leading to coevolution.
B girrafe example is actually Lamarck's erroneous theory of evolution, to a t, which is not how evolution happens.
E involved animal-environment relationships, or adaptations, not symbiosis that least to coevolution.
Reasons why A, C and D are right:
A: The flower is more likely to be pollinated and pass on its genes (which is pretty much it's only purpose in life...sad flower) when its pollinator is able to see it. Therefore, the pollinator benefits from being able to see its food source better, and both have a plus!
C: Humans wished for companionship, so they domesticated dogs (human benefit). Dogs gain the loving behaviours through evolution to better coexist with humans (dog benefit).
D: This is a perfect example of symbiosis. The bacteria want food, so they live in the cow gut and feast on grass, which a mammalian intestine is not able to break down easily on its own. The benefits of the grass are then released to the cow by energy. The bacteria, because of the high nutrient environment, evolve to become better suited to their new home.
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