Question

Typical prototherial character is-
a- cloaca is persent
b- 4 chambered heart
c- tarsal spur in males
d- segmented sternum

Answer 1

Answer:

B.

Explanation:

B) four chambered heart

Answer 2

Typical prototherian character is-  (a)- cloaca is present(  b)- 4 chambered heart  (c)- tarsal spur in males  (d)- segmented sternum

Explanation:

1. Option is B- 4 Chambered heart.
2. Birds and mammals, have a completely septated ventricle--a bone fide four-chambered heart.
3. this configuration ensures the separation of low pressure move to the lungs, and high-pressure pumping into the rest of the body.
4. As warm-blooded animals, we use an entire lot of energy and therefore need a super supply of oxygen four our activity.
5. This is because of the truth four -chambered heart  we're able to roam, hunt and disguise even withinside the cold of night, or the sit back of winter.