AP BIOLOGY

ANIMAL PHYSIOLOGY

MUSCLE ANIMAL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A skeleton located outside of the body is called a ____
A
Endoskeleton
B
Exoskeleton
C
Skeleton without hard parts
D
Muscles
Explanation: 

Detailed explanation-1: -An exoskeleton (from Greek éxō “outer” and skeletós “skeleton") is an external skeleton that supports and protects an animal’s body, in contrast to an internal skeleton (endoskeleton) in for example, a human. In usage, some of the larger kinds of exoskeletons are known as “shells ".

Detailed explanation-2: -The hard part present outside the body which protects the soft tissues and muscles is called the exoskeleton. It is developed from ectoderm and is mostly called a non-living structure. Some examples of the exoskeleton are hair, feather, scales, horns, etc. Also Read: Birds Skeletal System.

Detailed explanation-3: -Endoskeleton is an internal skeleton that provides support and protection to the body’s organs while Exoskeleton is an external skeleton which provides protection to the body from outside. Endoskeleton is found within the human body while Exoskeleton works external to the human body.

Detailed explanation-4: -An exoskeleton is the external skeleton that supports and protects an animal’s body. An exoskeleton is a key feature of arthropods, a category of animals that includes insects, spiders, and crustaceans.

Detailed explanation-5: -Exoskeletons are the hard coatings on the outside of some animals, mostly arthropods. They are nonliving, made of chitin and calcium carbonate. Exoskeletons support the animal’s body and protect the creature from predators, water, and drying out.

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