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  • "An evolutionist would say traits, organs, structures, and species of animals occur because mutations, which cause permanent changes to an organism's genetic sequence, add favourable traits and adaptations to offspring to ensure better survival and reproduction."
  • "Interesting!"
  • "So how would you see natural selection in a treefrog?"
  • "Environmental changes put pressure on the organism to adapt to survive. So, maybe the frog once had a short tongue, but nature "selected out" a short tongue and "selected in" a longer tongue so it could catch prey more effectively."
  • That makes sense!
  • Holy Frog Eggs!
  • "Wow that's a super neat adaption God provided in the treefrog! Can you give us another example?"
  • "One very neat behavioral adaptation the treefrog has acquired is related to reproduction."
  • "The treefrog lays hundreds of eggs on the underside of a leaf, hanging above water, so that the eggs can drop down and become tadpoles. Treefrogs also overproduce to ensure future survival of the species."
  • " I guess they overproduce because tadpoles and froglests are easily eaten up by predators. That's nature making sure the species survives."
  • "That's exactly right, Tom."
  • "OK, I have another question. What problems might the treefrog face that negatively impact its survival and reproduction?"
  • "Here is one example. The  treefrog's thin, membranous skin is important. It allows oxygen, water, and nutrients in to survive. But, if the water is polluted with chemicals, the treefrog's DNA could be be permanently affected, passing on genetic errors that result in things like 3 eyes or white skin colour."
  • "How else might the population be affected?'
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