Extraembryonic membranes the same in all vertebrates, Biology

Assignment Help:

Are the extraembryonic membranes the same in all vertebrates?

The presence of each extraembryonic membrane varies according to the vertebrate class.

In fishes and amphibians only the yolk sac is present. In reptiles and birds besides the yolk sac there are also the amnion, the chorion and the allantois. In placental mammals besides all these membranes the placenta is present too.

 


Related Discussions:- Extraembryonic membranes the same in all vertebrates

Reagent for separation of amino acid by paper chromatography, Define Reagen...

Define Reagent for Separation of Amino Acid by Paper Chromatography? The following reagents will be required for carrying out the experiment: 1. Amino acid solution- Weig

Define the sequence-specific dna binding, Which of the following statements...

Which of the following statements regarding the interactions among sequence-specific DNA binding domains and their recognition sites is incorrect? A. Sequence-specific DNA bind

Excreation, what is the role of liver for the metabolism of carbohydrates

what is the role of liver for the metabolism of carbohydrates

Silviculture, Silviculture: It concerned with the cultivation of timber yi...

Silviculture: It concerned with the cultivation of timber yielding plants. Silviculture is the way of controlling the growth, establishment, composition, health or quality of fore

Explain about balanus, Explain Balanus The realised niche of Balanus ...

Explain Balanus The realised niche of Balanus is the same as its fundamental niche  Lower limits:   as for fundamental niche. Upper  limits: as for fundamental niche

Which kind of chemical bond maintains the pairing, Q. Which kind of chemica...

Q. Which kind of chemical bond maintains the pairing of each chain in the DNA molecule? To form the DNA molecule, purine bases bind to pyrimidine bases by intermolecular bonds

What are the reproductive novelties, Q Do beings of the class Reptilia have...

Q Do beings of the class Reptilia have indirect or direct development? In beings of the class Reptilia the embryonic development is direct. So there is no larval stage. Q.

Charles darwin was the first person, Charles Darwin was the first person to...

Charles Darwin was the first person to suggest that: a. the present forms of all existing species are the result of natural selection b. species have changed over long periods of t

Plant physiology.., why does the removal of the extremity of coleoptile pro...

why does the removal of the extremity of coleoptile prohibit plant growth?

Will argon tend to form bonds with other elements, The atomic number of arg...

The atomic number of argon is 18. Will argon tend to form bonds with other elements? Describe your answer. Argon will not tend to form bonds with other elements. With an atomi

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd