CHAPTER 11: QUIZ 11C Animal Structure and Function

Which support system is a rigid covering that supports an animal from outside its body?

• endoskeleton

• exoskeleton

• hydrostatic skeleton

• jointed skeleton

Which animal uses a muscular siphon to move quickly through the water?

• clam

• octopus

• Portuguese man o’ war

• shark

What are the electrical signals that are used to control an animal’s actions?

• flexors and extensors

• neurons

• nerve impulses

• nerve nets

Identify the type of skeleton possessed by each animal below:: a squirrel

• endoskeleton

• exoskeleton

• hydrostatic skeleton

T or f:All vertebrates have endoskeletons made of bone.

• True

• False

Answer explanation

Vertebrate endoskeletons can be made of cartilage or of both cartilage and bone

T or F: All Animals need something to push or pull against in order to move.

• True

• False

Answer explanation

Some animals move through passive locomotion

The force required to push an animal upward through water or air is called ______

Special cells that collect information and carry nerve impulses are called ______

• Flexors and extensors

• Neurons

• Nerve nets

How does a non-sessile organism without any muscular system move around?

• Running, crawling, hopping gliding, flying

• Through passive locomotion, they allow the environment to move them

• By pushing or pulling against something in its environment.

Identify the type of skeleton possessed by each animal below:: a beetle

• Endoskeleton

• Exoskeleton

• Hydrostatic skeleton