Life Science Ch. 12 Quiz

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

Tags

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Which is NOT carried throughout the body by the circulatory system?

• oxygen

• water

• nutrients

• food

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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

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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

Tags

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