17174092
Question 1
Question
How many species n Phylum Annelida?
Answer
-
20,000
-
10,000
-
30,000
-
5,000
Question 2
Question
Check all that apply to Polychaete body form
Answer
-
mm-1m
-
5mm-cm
-
segmented body
-
parapodium
-
walking form
-
tube form
-
retractor muscle
-
large coelom
Question 3
Question
Check all that apply to Sipuncula body form
Answer
-
5mm-cm
-
long. & circ. muscle
-
retractor muscle
-
large coelom
-
mm-1m
-
segmented body
-
parapodium
-
walking form
-
tube form
Question 4
Question
Describe Polychaete habitat
Answer
-
all habitats
-
rock
-
benthic
-
sand
Question 5
Question
Most Polychaetes have [blank_start]complete[blank_end] digestion; the walking forms are [blank_start]carnivores[blank_end] while the tube forms are [blank_start]particulate feeders[blank_end].
Answer
-
complete
-
incomplete
-
carnivores
-
herbivores
-
particulate feeders
-
particulate feeders
-
carnivores
-
herbivores
Question 6
Question
Polychaetes have a closed circulatory system with a 2-chambered heart.
Answer
- True
- False
Question 7
Question
Polychaetes are [blank_start]dioecious[blank_end]. They begin as a [blank_start]trochophore[blank_end], which then becomes a [blank_start]metatrochopore[blank_end].
Answer
-
dioecious
-
monoecious
-
trochophore
-
planula
-
metatrochopore
-
metaplanula
-
unnamed larvae
Question 8
Question
What is an epitoke?
Answer
-
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
Question 9
Question
Which of these best describes Sipuncula habitat?
Answer
-
benthic
-
rock
-
planktonic
-
nektonic
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