Which of the following classes of animals pos | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The correct answer is $B$ (Aves).In the class $Aves$ (birds),the heart is completely four-chambered,consisting of two atria and two ventricles.Unl

Vedclass · Accepted Answer

Aves

Vedclass · Answer

(B) The correct answer is $B$ (Aves).In the class $Aves$ (birds),the heart is completely four-chambered,consisting of two atria and two ventricles.Unlike mammals,where mature $RBC$s are enucleated (lacking a nucleus),the $RBC$s in birds are nucleated.Reptiles (except crocodiles) have a three-chambered heart,and amphibians also have a three-chambered heart.Mammals have a four-chambered heart,but their mature $RBC$s are non-nucleated.

Which of the following classes of animals possess a four-chambered heart and nucleated $RBC$s?

Similar Questions

Which are the first vertebrates to be homeothermic (warm-blooded)?

What is the importance of pneumatic bones and air sacs in Aves?

The presence of feathers and the power of flight are characteristic features of:

Give a scientific reason: Pneumatic bones are present in birds.

Apart from mammals,which other group possesses warm-blooded (homeothermic) characteristics?

Vedclass Test Series

Exam Paper Generator

Online Exam Module