NEET BIOLOGY

PLANT PHYSIOLOGY

PLANT MOVEMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The skeleton could be external as in the ____
A
cartilaginous fish
B
bony fish
C
arthropods
D
humans
Explanation: 

Detailed explanation-1: -The external skeleton of arthropods is a highly efficient system for small animals. The exoskeleton provides a large surface area for the attachment of muscles and, in addition to functioning in support and movement, also provides protection from the external environment.

Detailed explanation-2: -All arthropods have a hard exoskeleton made of chiton, a type of protein. This shell provides protection for the animals, and gives support for the attachment of the arthropod’s muscles. Although arthropods grow, their exoskeletons do not grow with them.

Detailed explanation-3: -Arthropod and vertebrate skeletons are quite distinct from each other. Basically, the vertebrate skeleton is internal (an endoskeleton) while the arthropod skeleton is external (an exoskeleton). Here, both kinds will be referred to as skeletons. The vertebrate skeleton is buried under skin and muscle.

Detailed explanation-4: -An exoskeleton is a hard covering that supports and protects the bodies of some types of animals. The word exoskeleton means “outside skeleton.” Many invertebrates, or animals without backbones, have exoskeletons.

Detailed explanation-5: -An exoskeleton. An exoskeleton is a solid, rigid skeleton that is present on the exterior of an animal’s body. An exoskeleton provides support, strength, and protection to the body. Arthropods and mollusks possess exoskeletons.

There is 1 question to complete.