Jo O'Bar
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UWF Inverts study quiz

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Jo O'Bar
Created by Jo O'Bar over 5 years ago
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Inverts test 2...3?

Question 1 of 9

1

How many species n Phylum Annelida?

Select one of the following:

  • 20,000

  • 10,000

  • 30,000

  • 5,000

Explanation

Question 2 of 9

1

Check all that apply to Polychaete body form

Select one or more of the following:

  • mm-1m

  • 5mm-cm

  • segmented body

  • parapodium

  • walking form

  • tube form

  • retractor muscle

  • large coelom

Explanation

Question 3 of 9

1

Check all that apply to Sipuncula body form

Select one or more of the following:

  • 5mm-cm

  • long. & circ. muscle

  • retractor muscle

  • large coelom

  • mm-1m

  • segmented body

  • parapodium

  • walking form

  • tube form

Explanation

Question 4 of 9

1

Describe Polychaete habitat

Select one of the following:

  • all habitats

  • rock

  • benthic

  • sand

Explanation

Question 5 of 9

1

Select from the dropdown lists to complete the text.

Most Polychaetes have ( complete, incomplete ) digestion; the walking forms are ( carnivores, herbivores, particulate feeders ) while the tube forms are ( particulate feeders, carnivores, herbivores ).

Explanation

Question 6 of 9

1

Polychaetes have a closed circulatory system with a 2-chambered heart.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 9

1

Select from the dropdown lists to complete the text.

Polychaetes are ( dioecious, monoecious ). They begin as a ( trochophore, planula ), which then becomes a ( metatrochopore, metaplanula, unnamed larvae ).

Explanation

Question 8 of 9

1

What is an epitoke?

Select one of the following:

  • collection of gametes/gonads at the hind end of a Polychaete

  • collection of gametes/gonads at the hind end of a sipuncula

  • long straw-like proboscis that extends from the front end of a Polychaete

  • long straw-like proboscis that extends from the front end of a Sipuncula

Explanation

Question 9 of 9

1

Which of these best describes Sipuncula habitat?

Select one of the following:

  • benthic

  • rock

  • planktonic

  • nektonic

Explanation