EVERYDAY SCIENCE

SCIENCE

ZOOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The underside, or belly, of bilaterally symmetrical animals.
A
anterior
B
dorsal
C
posterior
D
ventral
Explanation: 

Detailed explanation-1: -Bilaterally symmetrical animals have a dorsal side (top), a ventral side (bottom) and distinct left and right sides. They also have an anterior side (head), and a posterior side (tail), and exhibit cephalization.

Detailed explanation-2: -A condition in which the right and left sides of an item (e.g., a shape or an animal) are mirror images of one another. For example, since the right side of the human body generally mirrors the left side, humans are bilaterally symmetric.

Detailed explanation-3: -Bilateral symmetry is characteristic of the vast majority of animals, including insects, fishes, amphibians, reptiles, birds, mammals, and most crustaceans.

Detailed explanation-4: -When the body plan of an animal can be divided along a line that separates the animal’s body into right and left halves that are nearly identical of each other, it is said to have bilateral symmetry.

Detailed explanation-5: -Complete answer: The bilateral symmetry is present in most of the animals. In this kind of symmetry, the line divides the body into two equal halves. The right and left sides of the body are exactly the mirror image of each other.

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