Which of the following statements is true for | vedclass

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(A) Mammals are characterized by the presence of mammary glands,hair on the skin,and a diaphragm that separates the thoracic cavity from the abdominal

Vedclass · Accepted Answer

Platypus is oviparous.

Vedclass · Answer

(A) Mammals are characterized by the presence of mammary glands,hair on the skin,and a diaphragm that separates the thoracic cavity from the abdominal cavity. $A$. Platypus (Ornithorhynchus) is a monotreme,which is an egg-laying mammal (oviparous). This is a correct statement. $B$. Bats are mammals and possess hair,not feathers. Feathers are a characteristic feature of birds (Aves). $C$. Elephants are placental mammals and are viviparous,not ovoviviparous. $D$. The diaphragm is a unique characteristic feature of mammals,so it is present,not absent.

Which of the following statements is true for mammals?

Similar Questions

$S$ - Statement: Kangaroo is a mammal.
$R$ - Reason: The diaphragm is present in the body cavity.

What is the primary purpose of mammals being warm-blooded animals?

Which class of animals secretes fresh milk for the nourishment of their young ones?

Assertion : The duck-billed Platypus and the spiny ant-eater,both are egg-laying animals yet they are grouped under mammals.
Reason : Both of them have seven cervical vertebrae and $12$ pairs of cranial nerves.

Dolphins are classified as:

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