One of the characteristics unique to animals is a. gastrulation. b. multicellularity. c. sexual reproduction. d. flagellated sperm.

Video transcript

Hello everyone here we have a question asking which of the following is true about gas relation. A. It is the formation of three germ layers. B. It is the rapid my topic cell division in the zygote. See it is when two germ layers are formed or D. It is when two happily gametes meet. So what is gas relation? Gas relation is an early phase of embryonic development among animals. And during this phase we have a layer called the bass chula which is re layered into a multi layered layer called the gas chula. And this layer has three layers the ectodermal, the meso derm and the indo derm. So our answer is A it is the formation of the three germ layers. Thank you for watching. Bye.