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All vertebrate embryos develop gills during one of the many growth phases in their development?
Wiki User
∙ 8y ago
It would be more appropriate to say that all vertebrate embryos develop pharyngeal gill slits during one of the many phases in their embryonic development. This is because while gills are specifically present in fishes, pharyngeal gill slits are a general chordate feature.
Wiki User
∙ 8y ago
Wiki User
∙ 9y agoYes , gills develop during some stage of development in vertebrates .
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How does embryology support evolution?
Through studying embryos, scientists have found that vertebrate animals seem to have a common design, even though their adult forms are different. Arm buds on different species, for example, look the same early on during embryonic development, yet they will develop into very different forms in the adult (a flipper, an arm, a wing, etc).
Why do all vertebrate's have very similar forms during development?
The Genes that control development in different vertebrates are only slightly different from each other
What is gastsrulation?
Gastrulation is a phase early in the development of most animal embryos, during which the morphology of the embryo is reorganized to form the three germ layers: ectoderm, mesoderm, and endoderm.
Why do vertebrate have very similar forms during developement?
The Genes that control development in different vertebrates are only slightly different from each other
During which stage of development before birth does amniotic fluid develop?
fudge your vagina;D
The distinction between protostomers and deuterostomers is based on differences in their what?
Invertebrates develop as either protostomes or deuterostomes. During development, a protostome's first opening is its mouth. Deuterostomes, on the other hand, have their anus as their first opening during development.
How can embryos show common ancestry?
During development, embryos of multiple groups of animals exhibit similar characteristics, but may change as they grow. This supports the idea that all of today's organisms share a common ancestor.'An example is bird limbs. Birds are tetrapods, all of which have five-digit limbs, but adult birds have a three-digit limb in its wings. This might appear to be a problem until you examine birds' embryos, and then you will find that this limb develops from a five-digit precursor. Another example is teeth in some toothless whales. Some toothless whales develop teeth as embryos that are absorbed later in embryonic development.Why should a toothless whale develop teeth that are later absorbed? Why should organisms which are so different as adults have so many similarities as embryos? Why should a bird's three-digit limb develop from a five-digit limb? If life forms developed independently, one would think that their embryonic development would be distinct and reflect what the organism will look like when it is fully developed.'From "Embryonic Homologies - How Embryonic Homologies Support Evolution"http://atheism.about.com/od/evolutionexplained/a/EmbryonicHomologies.htm
How do studies of body structure and embryos support evolution?
It does. It is NOT true that "ontogeny recapitulates phylogeny." But there are numerous facets of embryological development that make no sense except in the light of common ancestry.What we see in developing embryos is a similar pattern of development; one thing developed first, then another thing, then another couple of things, then a bunch of other bits, all in roughly the same order even when compared between different species, we also see features appear that do not exist in the adult form but the embryos have, like limb buds in Dolphins and human tail buds.While it does not prove evolution outright (and the historical method of using it as proof were shown by scientists to be wrong), evolution does explain this well enough that it is not evidence against: These species share a common ancestor, so their developmental processes occur in a similar way, regardless of what other changes have taken place since their divergence.
Why the beaker covered during the development of chromatogram?
During the development of a chromatogram, it is better to cover it with a beaker to prevent evaporation, which will affect the movement of the solute and solvent system. This will ensure that the chromatogram will develop properly.
Why do baleen whales develop teeth during embryological development?
Because their ancestors millions of years ago had teeth.
Is the human embryo or the fetus most likely to resemble a pig during development?
Humans don't ever really look very pig like during development. There are early periods in development where pig and human embryos look similar but by the time human and pig fetuses have developed to the point of looking even somewhat like their future selves they in no way resemble each other.
How can embryos be used to show evidence of evolution?
Embryological development in animals displays the same set of nested hierarchies that is known from comparative morphology and genetics, and thus evidence for common descent.Nota bene: this adherence to nested hierarchies is not to be confused with the 19th century hypothesis of ontogeny recapitulating phylogeny. Embryos do not go through evolutionary stages during their development, but they dodisplay atavistic developments that are consistent with phylogenies based on other sources.
