Invertebrates Question Preview (ID: 8662)

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Sponges have
a) a coelom
b) tentacles
c) specialized cells
d) bilateral symmetry

Sponges are considered
a) pseudocoelomic
b) coelomic
c) acoelomic
d) unicellular

Coral and sea anemones are both
a) sponges
b) flatworms
c) cnidarians
d) roundworms

Which multicellular invertebrate uses tentacles with stinging cells to capture prey?
a) jellyfish
b) sponges
c) tapeworms
d) heart worms

All of the following have only one opening into their digestive system except:
a) corals
b) jellyfish
c) roundworms
d) sea anemones

Flatworms and roundworms both
a) have a coelom
b) are symmetrical
c) can be parasitic
d) live in intestines

A mature tapeworm absorbs food through its skin inside its host's
a) heart
b) intestine
c) blood
d) lungs

Roundworms are pseudocoelomic. This means that they have
a) organs, but no true body cavity
b) a true body cavity, but no organs
c) both organs and a true body cavity
d) neither organs nor a true body cavity

Mollusks have all of the following except:
a) segments
b) many cells
c) a body cavity
d) complex organs

The earthworm's nephridia filter out wastes. Which human organs have a similar function?
a) eyes
b) kidneys
c) heart and lungs
d) mouth and anus

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