Biology 2 Quiz 27-3 Question Preview (ID: 33346)


Annelids. TEACHERS: click here for quick copy question ID numbers.

Which of these animals has a true coelom?
a) filarial worm
b) tapeworm
c) planarian
d) leech

A type of worm that is an external parasite is the
a) tapeworm
b) polychaete
c) leech
d) earthworm

The bristle like structures on some annelids' bodies are called
a) setae
b) suckers
c) nephridia
d) ganglia

The body of an annelid has
a) a backbone
b) an external shell
c) segments
d) stinging tentacles

In earthworms, food is ground into small pieces in the
a) crop
b) gizzard
c) pharynx
d) esophagus

Earthworms benefit gardeners because their tunnels provide passageways for
a) leeches
b) polychaetes
c) plant roots and water
d) planarians

What water conditions could be expected in an area where large numbers of mud-dwelling, filter feeding marine annelids are found?
a) disturbed sediment
b) abundance of bacteria
c) abundance of algae
d) all of the above

The larvae of many marine annelids are ecologically important because they
a) poison coral reefs
b) are eaten by fishes and other marine animals
c) feed on earthworms
d) none of the above

Annelids have a(n) ________________ circulatory system, in which blood is contained in a network of blood vessels.
a) open
b) closed
c) four chambered
d) two chambered

The type of embryonic tissue that lines a true coelom is called mesoderm.
a) True
b) False
c)
d)

polychaetes are annelids that help aerate and mix layers of soil, improving the soil's quality.
a) True
b) False
c)
d)

Unlike most parasitic worms, polychaetes typically attach to their host externally.
a) True
b) False
c)
d)

A worm found in a stream that is attached to a rock by a posterior sucker is a member of the class Oligochaeta.
a) True
b) False
c)
d)

In annelids, nitrogen containing wastes are eliminated by
a) clitella
b) parapodia
c) nephridia
d) gills

In earthworms, inability to produce offspring might be associated with
a) a malfunction of nephridia
b) a malfunction of the clitellum
c) lack of a true coelom
d) the inability of a worm to fertilize its own eggs

Flatworms are in the phyla
a) nematoda
b) platyhelminthes
c) annelida
d) none of these

Roundworms are in the phyla
a) platyhelminthes
b) annelida
c) nematoda
d) none of these

Segmented worms are in the phyla
a) platyhelminthes
b) nematoda
c) annelida
d) none of these

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