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OLEGan [10]
3 years ago
15

An organism's development from an embryo may contain clues about its history that scientists can use to develop relationships an

d build evolutionary trees. Ancestral characters are often preserved in an organism's developmental stages. For example, both bird and human embryos go through a stage where they have slits and arches in their necks like the gill slits and gill arches of fish. These structures are not gills and do not develop into gills in birds and humans, but because they are so similar to gill structures in fish at this point in development scientists believe that A) birds and humans evolved from fish. B) all vertebrate animals have identical embryos. Reactivate C) fish, birds, and humans share a common ancestor. D) fish evolved as a life form long before birds or humans.
Biology
1 answer:
Leviafan [203]3 years ago
8 0
<h2>Answer is option "C"</h2>

Explanation:

  • The way that these formative highlights are so like the gill structures in fish bolsters that fish, chicks, and people share a typical predecessor
  • Ancestral characters are regularly, however not constantly, safeguarded in a life form's improvement. For example, both chick and human early creatures experience a stage where they have cuts and bends in their necks like the gill cuts and gill bends of fish
  • These structures are not gills and don't shape into gills in chicks and individuals, be that as it may, how they are so similar to gill structures in fish currently being created support that chicks and individuals share a run of the mill ancestor with fish. Subsequently, formative characters, alongside different lines of proof, can be utilized for developing phylogenies
  • Hence, the right answer is option C "fish, birds, and humans share a common ancestor"

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