Chapter 11 Animal Functions

Which type of digestion uses structures to crush and grind food into small particles?

• carnivore digestion

• incomplete digestion

• chemical digestion

• mechanical digestioin

An animal that feeds on plants is a(n)

• carnivore

• herbivore

• omnivore

• filter feeder

Which organism has bacteria or protists living in its gut to break down wood?

• aphid

• butterfly

• mopane worm

• termite

How do sponges obtain energy?

• they ambush fish that come to them

• they filter microscopic particles from the water

• they use their tube feet to pry open clams

• they use venom to subdue their prey

If an ectotherm becomes too hot or too cold, it may

• move to another location

• pant

• sweat

• all options are correct

Which system transports nutrients and gases throughout an animal's body?

• circulatory system

• excretory system

• muscular system

• respiratory system

Veins carry blood toward the heart, while _____ carry blood away from the heart

• arteries

• atria

• capillaries

• vessels

Which vertebrates have two-chambered hearts?

• alligators

• birds

• fish

• snakes

Which structures allow a bird's lung to receive fresh oxygen when it breathes in and when it breathes out?

• air sacs

• diaphragms

• spiracles

• tracheae

Which of the following animals has a hydrostatic skeleton?

• crab

• jellyfish

• shark

• snake