AP BIOLOGY

PLANTS

CLASSIFICATION OF PLANTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Sometimes animals may look very different but still possess a body structure that would enable scientists to group them together. What do fish, amphibians, reptiles, birds, and mammals have in common?
A
lungs
B
legs for locomotion
C
backbones
D
external skeletons
Explanation: 

Detailed explanation-1: -Animals have different body parts. Each body part has its own unique functions. Their body parts enable them to move, eat, breathe, and even defend themselves. Many animals we know have eyes, noses, mouths, ears, and limbs.

Detailed explanation-2: -Amphibians are vertebrates (animals with backbones) which are able, when adult, to live both in water and on land. Unlike fish, they can breathe atmospheric oxygen through lungs, and they differ from reptiles in that they have soft, moist, usually scale-less skin, and have to breed in water.

Detailed explanation-3: -Amphibians. Amphibians are cold-blooded (ectothermic) vertebrate tetrapods that generally respire air as adults but usually require an aquatic (freshwater) environment for reproduction.

Detailed explanation-4: -Birds are endothermic vertebrates. 2. Their skin is covered with feathers.

There is 1 question to complete.