the most distinguishing character between the birds and mammals is mammary glands
Answers
yes you are right that you have said that
the most distinguishing character between the birds and mammals is mammary glands
Answer:
No it is "4 Chambered Heart" please go in through thorough research before replying . Just because someone said it is "Mammary glands" doesn't mean you would agree to that .
Explanation:
Birds and mammals, have a fully septated ventricle--a bona fide four-chambered heart.
In short :
Firstly , Birds don't have "Mammary glands" , but mammals do .
&
Secondly , Both Birds & Mammals have "4 Chambered Heart"
Now What is "Mammary glands" ??
Ans: The mammary gland is a gland located in the breasts of females that is responsible for lactation, or the production of milk.
& What is "4 Chambered Heart" ??
Ans: The heart has four chambers: two atria and two ventricles. The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.