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