1. classify each skelton as a frame structure or a shell structure.

a, rabbit
b, crayfish
c, dog
d, tortoise
2. what is special about a toroise's skeletal structure and body.
3. how does the skeleton of a vertebrate give its body strength and support
4. how do the skeletonn of some invertebrates give their bodies sterngth and support

1.

a. Rabbit - frame structure
b. Crayfish - shell structure
c. Dog - frame structure
d. Tortoise - shell structure

2. A tortoise's skeletal structure is unique in that it is enclosed within its shell, providing protection and defense against predators.

3. The skeleton of a vertebrate provides structure and support to the body through the arrangement of bones, which help in bearing the weight of the body and providing attachment points for muscles.

4. The skeletons of some invertebrates, such as crustaceans and insects, provide strength and support through exoskeletons made of tough material like chitin. This exoskeleton protects the organism from predators and provides structure for movement.