The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed 3-chambered hearts (2 atria, 1 ventricle). Birds and mammals, however, are alike in having 4-chambered hearts (2 atria, 2 ventricles). The 4-chambered hearts of birds and mammals are best described as

TLS Online TPP Program

#Question id: 11474

#Unit 7. System Physiology – Animal

The blind spot in the human retina is the location that has the collected axons of ________.

TLS Online TPP Program

#Question id: 5224

#Unit 11. Evolution and Behavior

What does the field often called ʺevo-devoʺ study?

TLS Online TPP Program

#Question id: 23800

#General Aptitude

Which one of the following is different from other members?

TLS Online TPP Program

#Question id: 3410

#Unit 11. Evolution and Behavior

1200 Birds population are present around costal area with allelic frequency of M1 .60 and M2 .40. During rainy time 200 birds come from nearest forest which has .30 frequency of M1 and .70 of M2 allele.  What will be allelic frequency of M2 in their recipient population of costal area?

TLS Online TPP Program

#Question id: 11659

#Unit 10. Ecological Principles

Which of the following steps are involved in stabilization of successful community?