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Biology > Bio Quiz 9 > Flashcards

Bio Quiz 9 Flashcards

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1
Q

Skeletal systems provide all of the following except

absorption of nutrients from food.
None of the listed answers are correct
protection for an animal’s soft parts.
a framework for muscles to pull against.
All of the listed answers are correct
a framework for supporting the body.

A

absorption of nutrients from food.

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2
Q

Organisms that have two copies of each of their chromosomes are called

diploid.
haploid.
All of the listed answers are correct
germ cells.
gametes.
None of the listed answers are correct

A

diploid

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3
Q

The presence of a true body cavity (coelom) allows

specialization of the gut.
None of the listed answers are correct
bilateral symmetry.
direct exchange of oxygen and carbon dioxide with the environment.
cephalization.
All of the listed answers are correct

A

specialization of the gut.

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4
Q

Which of the following organisms do not have cells organized into tissues?

  None of the listed answers are correct 
  All of the listed answers are correct 
  hydras 
  sea anemones 
  sponges 
  sea urchins
A

sea urchins

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5
Q

Gas exchange in many aquatic phyla takes place in the

  gills. 
  None of the listed answers are correct 
  All of the listed answers are correct 
  kidneys. 
  gut. 
  lungs.
A

Gills

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6
Q

A(n) ______________ is a rigid external skeleton that encases the body of an animal.

  None of the listed answers are correct 
  hydrostatic skeleton 
  nanoskeleton 
  All of the listed answers are correct 
  exoskeleton 
  endoskeleton
A

exoskeleton

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7
Q

Which sequence reflects the life cycle of Obelia?

  None of the listed answers are correct 
  medusa → polyp → planula
  polyp → planula → medusa
  pollp → medusa → planula  
  All of the listed answers are correct 
  planula → medusa → polyp
A

pollp → medusa → planula

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8
Q

Hydras attach to rocks or water plants by means of a sticky secretion they produce in an area of their body called the _________.

  sticker 
  proto disk 
  basal disk 
  secretor 
  None of the listed answers are correct 
  All of the listed answers are correct
A

basal disk

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9
Q

Which of the following does not have nerve cells?

  hydra 
  All of the listed answers are correct 
  jellyfish 
  None of the listed answers are correct 
  sponge 
  flatworm
A

sponge

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10
Q

The covering that protects endoparasites from the actions of digestive enzymes is called the

  osculum. 
  basal disk. 
  proglottid. 
  saginata. 
  None of the listed answers are correct 
  All of the listed answers are correct
A

None of the listed answers are correct

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11
Q

Animals with no body cavity are called _____________.

  None of the listed answers are correct 
  coelomates 
  All of the listed answers are correct 
  acoelomates 
  pseudocoelomates 
  nanocoelomates
A

acoelomates

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12
Q

Which of the following is not a characteristic of sponges?

  All of the listed answers are correct 
  cells organized into tissues 
  body wall penetrated by many pores 
  None of the listed answers are correct 
  amoebocytes that transport food 
  collar cells that trap food particles
A

cells organized into tissues

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13
Q

An animal’s body plan includes all of the following except

  All of the listed answers are correct 
  symmetry. 
  None of the listed answers are correct 
  size. 
  internal organization. 
  shape.
A

size

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14
Q

Tapeworms grow by producing a string of rectangular body sections called __________.

  All of the listed answers are correct 
  teguments 
  None of the listed answers are correct 
  saginata 
  proglottids 
  flukes
A

proglottids

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15
Q

A Portuguese man-of-war and a hydra are similar in that both

  contain medusas and polyps. 
  produce planulae. 
  are colonial. 
  are hydrozoans. 
  All of the listed answers are correct 
  None of the listed answers are correct
A

All of the listed answers are correct

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16
Q

Which of the following is not true of kidneys?

They help balance the body’s water content.
All of the listed answers are correct
They produce concentrated urine.
They remove oxygen from the body.
They remove wastes from the bloodstream.
None of the listed answers are correct

A

They remove oxygen from the body.

17
Q

What prevents self-fertilization among sponges?

Sponges are hermaphrodites.
All of the listed answers are correct
Encounters between members of the same species are rare.
Gametes are released at different times.
None of the listed answers are correct
Few male sponges exist.

A

Gametes are released at different times.

18
Q

A digestive cavity with only one opening:

  gastrovascular cavity 
  polyvascular cavity 
  biovascular cavity 
  All of the listed answers are correct 
  monovascular cavity 
  None of the listed answers are correct
A

gastrovascular cavity

19
Q

Which is an anthozoan?

  jellyfish 
  None of the listed answers are correct 
  Portuguese man-of-war 
  All of the listed answers are correct 
  hydra 
  sea anemone
A

sea anemone

Biology (14 decks)

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