AP BIOLOGY

PLANTS

CLASSIFICATION OF PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How are mammals different from other vertebrates?
A
They use lungs to breathe.
B
They have cartilage instead of bones.
C
They produce milk to feed young.
D
They do not hibernate.
Explanation: 

Detailed explanation-1: -Mammals have hair or fur; are warm-blooded; most are born alive; the young are fed milk produced by the mother’s mammary glands; and they have a more complex brain than other animals.

Detailed explanation-2: -An animal is considered a mammal if it can produce milk. Other features unique to mammals include hair or fur (chemically different from hairlike structures on non-mammals); the malleus, incus, and stapes in the ear; and a diaphragm separating the heart and lungs from the abdomen.

Detailed explanation-3: -Mammals are vertebrate animals that are endothermic, have hair on their bodies, and produce milk to feed their babies.

Detailed explanation-4: -Purpose. The chief function of a lactation is to provide nutrition and immune protection to the young after birth. Due to lactation, the mother-young pair can survive even if food is scarce or too hard for the young to attain, expanding the environmental conditions the species can withstand.

Detailed explanation-5: -Answer: All mammals have fur or hair, give birth to live young, have lungs and need air to breathe, are warm blooded, have four limbs if they live on land, and feed their babies milk from their breasts.

There is 1 question to complete.