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Ne4ueva [31]
2 years ago
10

The graph shows the variation in the population size of finches living on one of the Galápagos Islands.

Biology
1 answer:
AysviL [449]2 years ago
7 0

Answer:

I think the awnser is C

Explanation:

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All vertebrate embryos have _____ at some point during embryonic development, indicating a common evolutionary ancestor
aivan3 [116]

All chordates chare four structures. One of the is the tail. All vertebrate embryos have _<u>a tail</u>__ at some point during embryonic development, indicating a common evolutionary ancestor.

<h3>What is the relationship between chordates?</h3>

The evolutionary relationship between species is reflected in the similarities or differences in the patterns of embryonic development.

All chordates belong to the Chordata phylum, and share four main characteristics,

  1. Notochord, which is a precursor of the dorsal spine.
  2. Nerv cord, dorsally located and parallel to the notochord.
  3. Pharyngeal clefts
  4. Tail

All chordates express these structures at some point in their lives, especially in the early stages of embryogenesis. Many of them can be lost with animal development and become vestigial structures.

The tail is a vestigial structure in many vertebrates.

Vestigial structures are those body parts, genetically determined, that have been retained during the evolution of the taxonomic group but have lost or reduced their original function.

Such vestigial structures were plenty functional in the ancestors of new species, but now are typically degenerate, stunted, or rudimentary, and tend to be much more variable than homologous non-vestigial parts

All vertebrates develop a tail at some point in their embryonic life, even humans. However, this structure lost its original function in several species, so after a period of embryogenesis, this tail disappears, and its forming vertebras get fussed with each other composing the coccyx.

In many animals, the function of the tail is to stabilize, equilibrate and mobilize. But in humans, for instance, the coccyx has lost this function but is still an area of muscle insertion.

The correct option is Tail.

All vertebrate embryos have _<u>a </u><u>tail</u><u>_</u> at some point during embryonic development, indicating a common evolutionary ancestor.

You can learn more about chordates at

brainly.com/question/12406059

#SPJ1

3 0
2 years ago
During a microscopic view of reproductive stages of bacteria cells, a tube connecting two bacterial cells was noticed.
il63 [147K]
Pretty sure it's B. Conjugation because that is a form of sexual reproduction in the reproduction of prokaryotes.
7 0
3 years ago
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Kobotan [32]
Cytoplasm inside the leaves of the plant absorb the sun light 
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Wilma and Stanley are expecting their first child, and a prenatal test indicates that the child has a chromosomal abnormality. T
rodikova [14]

Answer:

The cells analyzed might be a mosaic of different genomes

Explanation:

The human genome in every cell might not be the same and could give us some misrepresentation of what really happens on our genome. Chromosomal abnormalities are also a very common phenomena to be observed in human cells. For those differences in the genome of the child the test might have identified some altered cells with a type of chromosomal abnormality which was not latter identified or the abnormal cell might be also eliminated by its abnormal nature.

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Ap bio definition of primary productivity
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Mammals reproduce to the race
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