Exoskeleton,endoskeleton,hydrostatic skeleton

What support the snail's body?

• Exoskeleton

• Endoskeleton

• Segmented abdomen

• Hydrostatic skeleton

Unlike bones, an exoskeleton....

• is on the outside of the body
• grows with the animal
• is made of fur
• is made of slime

Each shoulder girdle, or pectoral girdle consists of two bones, a clavicle and a ___.

• tibia

• scapula

• sternum

• carpal

The clavicle attaches to the ___ medially.

• tibia

• scapula

• sternum

• carpal

The arm is formed by a single bone, the ___ , which is a typical long bone.

• humorous

• femur

• tibia

• fibula

Two bones, the ___ and the ulna, form the skeleton of the forearm.

• radius

• tibia

• fibula

• femur

The skeleton of the hand consists of the ___, the metacarpals, and the phalanges.

• tarsals

• metatarsals

• carpals

• fibula

Bearing weight is the most important function of this girdle, because the total weight of the upper body rests on the bony pelvis.

• True

• False

Tags

NGSS.MS-PS2-4

The ___, or thigh bone, is the only bone in the thigh.

• humerous

• femur

• radius

• ulna

The tibia and ___, form the skeleton of the leg.

• femur

• fibula

• radius

• ulna