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Q: Why do all vertebrate embryos develope in a similar way?
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How are vertebrate embryos evidence of evolution?

All vertebrate embryos look roughly the same, showing that they come from a common ancestor.

How do human embryos compare to embryos of other animals?

I am currently in a biology class and we have been discussing this. Do not be fooled by your biology textbook, because it most likely has the wrong information in it. You will probably see a picture of a human embryo compared to embryos of several other animals, and they will all look extremely similar. Your textbook answer to this question should be that they are very similar in the earliest stages and then diversify as they develop (this shows evidence for common ancestry). However, this has been proven false. (I happened upon your question while searching for information to support that this has been proven.) I would provide links to evidence and such if I had found them, but my search has literally just started. Embryos are extremely different in the earliest stages. It is not until a later stage that they become similar. Therefore, this cannot provide evidence for common descent. So human embryos compared to other animal embryos goes like this: Very very different then Similar then Growing differences

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

Does a lion have a vertebrate?

Yes, a lion is a mammal and all mammals are vertebrates meaning they have a vertebrate.

Is a crocodile a vertebrate?

Yes. Any animal that has a backbone or spine is a vertebrate. This includes mammals, reptiles, amphibians, fish and birds

Related questions

How are vertebrate embryos evidence of evolution?

All vertebrate embryos look roughly the same, showing that they come from a common ancestor.

What do all vertebrate organisms have in common when they are embryos?


Do early chick and pig embryos have a similar structure and appearance?

The early embryos of all animals have a very similar appearance. This is no different for chicken and pig embryos.

Why do embryos of different animals look similar?

Depending on what animal because animals are very different from one another, but that would mean you are considering humans not animals.

Why does comparative embryology show similarities between organisms that do not appear to be similar as adults?

Comparative embryology is the study of the similarities and differences in the embryos of different species. Similarities in embryos are evidence of common ancestry. All vertebrate embryos, for example, have gill slits and tails. All of the animals except for fish, lose their gills slits by adulthood. Some of them also lose their tail. In humans, the tail is reduced to the tail bone. Thus, similarities organisms share as embryos may be gone by adulthood. This is why it is valuable to compare organisms in the embryonic stage

Do all organisms start out as embryos?

All animals start out as embryos.

All vertebrate embryos develop gills during one of the many growth phases in their development?

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.

Which adaptation for successful development is characteristic of all embryos?

All embryos must have a mechanism for absorbing oxygen

What type of embryos have pharngeal slits?

All chordates embryos have pharngeal slits.

What are the characteristics of the pharyngula stage in development?

At the pharyngula stage of development, all vertebrate embryos show similarities. These include the notochord, the dorsal hollow nerve cord, the post anal tail and a series of branchial grooves.

What two things do all growing embryos need?

the 2 things that ALL growing embryos need are food and oxygen

Is the fox a vertebrate or invertebrate?

The red fox is a vertebrate as are all mammals.