Question 1

Most of the familiar animals seen along the seashore are echinoderms,which include all of the following except

Accepted Answer

A)  barnacles.
B)  brittle stars.
C)  sand dollars.
D)  sea cucumbers.
E)  sea urchins.F) A) and B)
G) A) and C)

Question 2

In a recent morphological study of arthropod phylogeny,it was reported that insects are more closely related to

Accepted Answer

A)  crustaceans.
B)  millipedes.
C)  centipedes.
D)  horseshoe crabs.
E)  spiders.F) A) and B)
G) A) and E)

Question 3

Which one of the following insect organ systems has placed the greatest limitation on body size compared to that of vertebrates?

Accepted Answer

A)  nervous system
B)  digestive system
C)  respiratory system
D)  circulatory system
E)  excretory systemF) B) and C)
G) All of the above

Question 4

Sea stars are among the most important invertebrate

Accepted Answer

A)  predators in the marine ecosystems.
B)  producers in the marine ecosystems.
C)  reproducers in the marine ecosystems.
D)  recyclers in the marine ecosystem.
E)  protostomes in the marine ecosystem.F) A) and B)
G) B) and E)

Question 5

A marine biologist is conducting research on animals that have a lophophore and two calcified shells.Based on this information,this animal this must belong to the phylum

Accepted Answer

A)  MolluscA.
B)  Phoronida.
C)  Ectoprocta.
D)  Bryopoda.
E)  Brachiopoda.F) A) and C)
G) B) and E)

Question 6

A _________ is a circular or U-shaped ridge around the mouth,bearing either one or two rows of ciliated,hollow tentacles.

Accepted Answer

The answer of A _________ is a circular or U-shaped...

Question 7

Reproduction in the earthworm involves

Accepted Answer

A)  asexual budding.
B)  self-fertilization.
C)  cross-fertilization between two dioecious organisms.
D)  cross-fertilization between two hermaphroditic organisms.
E)  recombination between opposite mating types.F) B) and C)
G) A) and E)

Question 8

Choose the letter of the best match from the following:
-Termites

Accepted Answer

A)  Araci
B)  Isoptera
C)  Crustacea
D)  Chilopoda
E)  EctoparasitesF) D) and E)
G) A) and B)

Question 9

Trochophores,the free-swimming larvae of many mollusks,are propelled through the water by

Accepted Answer

A)  flagellA.
B)  cilia.
C)  flame cells.
D)  nephridia.
E)  the radula.F) A) and D)
G) A) and E)

Question 10

The cephalapod mollusks have

Accepted Answer

A)  a muscular foot.
B)  tentacles.
C)  two siphons.
D)  setae.
E)  jointed appendages.F) B) and C)
G) A) and E)

Question 11

Radula modification allowed all of the following functions in gastropods except

Accepted Answer

A)  scraping algae off rocks.
B)  eating vegetation.
C)  boring holes in other mollusk shells.
D)  protecting themselves with nematocysts.
E)  injecting poison through a harpoon-like structurE.F) A) and B)
G) D) and E)

Question 12

The passage of an arthropod through stages from egg to adult is

Accepted Answer

A)  differentiation.
B)  evolution.
C)  graduation.
D)  metamorphosis.
E)  succession.F) D) and E)
G) A) and C)

Question 13

Spiders are characterized by all of the following except

Accepted Answer

A)  they are particularly important as predators of insects and other small animals.
B)  many use silk webs to catch their prey.
C)  many display elaborate courtship behavior.
D)  all forms are harmless to humans.
E)  they live in diverse habitats on land and some even in water.F) B) and D)
G) C) and E)

Question 14

Compound eyes are composed of independent visual units called

Accepted Answer

A)  apposition segments.
B)  ocelli.
C)  ommatidia.
D)  retinas.
E)  simple eyes.F) A) and B)
G) C) and D)

Question 15

Choose the letter of the best match from the following:
-Have reduced and separated endoskeletons,making them soft bodied.

Accepted Answer

A)  sea cucumbers
B)  brittle stars
C)  sea stars
D)  sea urchinsE) None of the above
F) A) and C)

Question 16

Choose the letter of the best match from the following:
-Lack distinct arms but have a five-part body plan.

Accepted Answer

A)  sea cucumbers
B)  brittle stars
C)  sea stars
D)  sea urchinsE) A) and C)
F) B) and C)

Question 17

Annelids are characterized by serial _________.

Accepted Answer

The answer of Annelids are characterized by serial _________....

Question 18

Insect sensing of the environment is through all of the following except

Accepted Answer

A)  sensory hairs to detect touch.
B)  tympanal organs to detect sound.
C)  chemoreceptors to detect pheromones.
D)  organs of smell in the antennae.
E)  camera-type eyes.F) All of the above
G) A) and E)

Question 19

Choose the letter of the best match from the following:
-Typically possess a hard shell,in which they live;unequal growth during development produces a twisting of visceral mass;include snails and slugs.

Accepted Answer

A)  lophophorates
B)  gastropods
C)  cephalopods
D)  annelids
E)  leechesF) A) and D)
G) C) and E)

Question 20

An invertebrate biologist is conducting research with crabs.Her interest is ecdysis.This implies that she studies

Accepted Answer

A)  tagmatization processes in crustaceans.
B)  how ommatidia function individually in a compound eye.
C)  how the HOX gene controls the fusion of the head and thorax into the cephalothorax.
D)  how ocelli evolved from mere photoreceptors to imaging lens.
E)  the molting process.F) None of the above
G) A) and C)

Exam 34: Coelomate Invertebrates

Most of the familiar animals seen along the seashore are echinoderms,which include all of the following except

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Annelids are characterized by serial _________.

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Sea stars are among the most important invertebrate

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A _________ is a circular or U-shaped ridge around the mouth,bearing either one or two rows of ciliated,hollow tentacles.

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Spiders are characterized by all of the following except

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Radula modification allowed all of the following functions in gastropods except

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Choose the letter of the best match from the following: -Termites

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Which one of the following insect organ systems has placed the greatest limitation on body size compared to that of vertebrates?

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Insect sensing of the environment is through all of the following except

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Lack distinct arms but have a five-part body plan.

Correct AnswerverifiedShow Answer

Trochophores,the free-swimming larvae of many mollusks,are propelled through the water by

Correct AnswerverifiedShow Answer

In a recent morphological study of arthropod phylogeny,it was reported that insects are more closely related to

Correct AnswerverifiedShow Answer

Reproduction in the earthworm involves

Correct AnswerverifiedShow Answer

A marine biologist is conducting research on animals that have a lophophore and two calcified shells.Based on this information,this animal this must belong to the phylum

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Have reduced and separated endoskeletons,making them soft bodied.

Correct AnswerverifiedShow Answer

An invertebrate biologist is conducting research with crabs.Her interest is ecdysis.This implies that she studies

Correct AnswerverifiedShow Answer

Compound eyes are composed of independent visual units called

Correct AnswerverifiedShow Answer

The cephalapod mollusks have

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Typically possess a hard shell,in which they live;unequal growth during development produces a twisting of visceral mass;include snails and slugs.

Correct AnswerverifiedShow Answer

The passage of an arthropod through stages from egg to adult is

Correct AnswerverifiedShow Answer

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