You observed the two species of barnacles, species 1 and species 2, occupy upper and lower strata of intertidal rocks, respectively. Only when species 1 was removed by you from the upper strata, species 2 could occupy both the upper and lower strata. From the choice given below what would be your inference from these observations.

TLS Online TPP Program

#Question id: 5542

#Unit 5. Developmental Biology

One stage of cleavage is the morula stage which is:

TLS Online TPP Program

#Question id: 5543

#Unit 5. Developmental Biology

What is the purpose of the chorion in terrestrial vertebrate embryos?

TLS Online TPP Program

#Question id: 5544

#Unit 5. Developmental Biology

Which embryonic membrane forms the commonly of the placenta?

TLS Online TPP Program

#Question id: 5545

#Unit 5. Developmental Biology

The placenta functions as a(n):

TLS Online TPP Program

#Question id: 5546

#Unit 5. Developmental Biology

By the end of _______________ , distribution of cells into the three primary tissue types has been completed

TLS Online TPP Program

#Question id: 5547

#Unit 5. Developmental Biology

 Cells that rove from somites form the