Crayfish dissection lab questions, green gland, , ganglion etc, Starfish

  • Thread starter Thread starter Ekfrazo Yperochi
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Ekfrazo Yperochi

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dissection, earth worm etc? So i awnsered most of the questions I just need help with a few?
which way is ventrical which way is dorsal? (i just always get them confused?
What Organs in your body carry out a similar function as the green glands? what is that function?
Of the crayfish systems you observed which 2 are most unlike the related human system? explain
how are the segments of a crayfish different from those of an earthworm?
many nerves leave from each ganglion, where do u think these nerves go?
is a crayfish most vulnerable to its enemies from dorsal or ventral side? why? (thats y i asked the first question)
what is the major function of the exoskeleton of a crayfish how is the exoskeleton an adaptive advantage to the cray fish?
STARFISH QUESTIONS I NEED HELP WITH
functions of
madreporite plate
spines
gills
digestive glands
pedicellariae
tube feet
gonads
radial canal
describe how the water vascular system helps a sea star move around
what external and internal features indicate that the sea star is organized in a pattern of five
EARTHWORM QUESTIONS
What is the name of the pumping organs of an earthworm
describe (trace) the parts of the digestive tract through which food passes
which part of the earthworm serve as its brain? how are these connected to the rest of the body
what parts of the earthwormss body are included in the excretory system
how can you find out whether an eathworm eats soil?
how do you think the earthworms setae make it well adapted to its habitat?
how is the earthworms digestive system adapted for extracting relatively small amounts of food from large amounts of ingested soil?
THE PERSON WHO ANWSER ALL OF THESE CLEARLY WILL GET BEST AWNSER
 
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