Endoskeletons

An endoskeleton is a hard outer covering that provides support and protection to an organism's body.

An endoskeleton is an internal framework of bones or cartilage that provides support and protection to an organism's body. (correct)

An endoskeleton is a soft and flexible structure that provides support and protection to an organism's body.

An endoskeleton is an outer covering made of scales or plates that provides support and protection to an organism's body.

An endoskeleton is found in plants.

An endoskeleton is found in invertebrates.

An endoskeleton is found in both invertebrates and vertebrates.

An endoskeleton is found in vertebrates. (correct)

An endoskeleton is only found in animals.

An endoskeleton is found in plants.

An endoskeleton is found in both humans and animals. (correct)

An endoskeleton is only found in humans.