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WorksheetsLife Science Ch. 12 Quiz
Total questions: 21
Worksheet time: 21mins
Animals with backbones are called __________.
sponges
invertebrates
scavengers
vertebrates
Which substance is removed from the fish through the organ shown here?
ammonia
urea
uric acid
carbon dioxide
Birds do not have teeth, but what structure do they have that serves a similar function?
intestines
a crop
a gizzard
a stomach
What are enzymes in the digestive system?
chemicals that help remove waste from the bloodstream
waste substances that are removed from the body
nutrients that get absorbed into the bloodstream
chemicals that help break food down into nutrients
Which is NOT carried throughout the body by the circulatory system?
oxygen
water
nutrients
food
Which of the following types of animal has a closed circulatory system?
a fly
a snail
a frog
a honeybee
How does an animal with a hydrostatic skeleton move its body?
by moving its joints
by jet propulsion
by pushing the fluid in its coelom in different directions
by filling and emptying its coelom
Which word best describes undulate motion?
wavelike
soaring
bouncy
gradual
Which is NOT a function of the nervous system?
to help an animal find food
to provide structural support for the body
to sense the environment
to move the animal's body
What does the structure shown here do to carbon dioxide?
absorb it
produce it
circulate it
excrete it
Which type of animal includes the most water in its excretions?
bird
fish
mouse
lizard
Which of the following special structures does an earthworm use to grind up soil it ingests?
intestine
gizzard
crop
setae
Nutrients are obtained from food through which process?
respiration
undulation
digestion
excretion
What is the main difference between an open circulatory system and a closed circulatory system?
A closed circulatory system contains blood inside vessels.
A closed circulatory system does not carry oxygen.
Humans have an open circulatory system.
An open circulatory system is used only by land animals.
Most reptiles have a __________ heart.
one-chambered
two-chambered
three-chambered
four-chambered
What causes oxygen to diffuse from the lungs into the capillaries?
Blood from the pulmonary arteries is high in oxygen.
The oxygen concentration is lower in the lungs.
There is an equal oxygen concentration in the lungs and capillaries.
The oxygen concentration is lower in the capillaries.
Water taken in through the mouth of a fish passes over the __________, where oxygen and carbon dioxide are exchanged.
gills
lungs
heart
swim bladder
Which best describes where oxygen goes after being taken into an animal's body?
to the heart
to all parts of the body
to the brain
to the digestive system
The system of nerve cells in cnidarians is called __________.
camouflage
a shell
a nerve net
flukes
Which system sends messages through nerves to and from all parts of your body?
muscular system
skeletal system
digestive system
nervous system
The vertebrae, skull, and other bones make up a vertebrate's __________.
endoskeleton
notochord
shell
pouch
