BIO 172 UH MANOA EXAM 2 2025
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
Radula
Scraping, tongue-like feeding organ in all major mollusc
QUESTION 2
Phylum: Annelida
Have a true coelom and a closed circulatory system body plan exhibits distinct
repetition of segments: Metameric, split into two major clades: Errantia and
Sedentaria
QUESTION 3
Errantia
Mobile and Marine. Many have a pair of paddle/ridge like feet
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PAGE
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, BIO 172 UH MANOA EXAM 2 2025
QUESTION 4
Sedentarians
Less mobile, burrows into substrate or lives in protective tubes
QUESTION 5
Phylum: Nematoda
Nematodes are everywhere and parasitize everything all have a cuticle, non-living
external layer secreted by the epidermis cuticle is periodically shed as the
nematode grows in a process called ecdysis
QUESTION 6
Hydrostatic Skeleton
Formed by Cuticle and pseudocoelom along with high internal pressure
QUESTION 7
Phylum: Onychophora
Tropical predators that prey on ground dwelling insects, snails, and worms
END OF
PAGE
2
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
Radula
Scraping, tongue-like feeding organ in all major mollusc
QUESTION 2
Phylum: Annelida
Have a true coelom and a closed circulatory system body plan exhibits distinct
repetition of segments: Metameric, split into two major clades: Errantia and
Sedentaria
QUESTION 3
Errantia
Mobile and Marine. Many have a pair of paddle/ridge like feet
END OF
PAGE
1
, BIO 172 UH MANOA EXAM 2 2025
QUESTION 4
Sedentarians
Less mobile, burrows into substrate or lives in protective tubes
QUESTION 5
Phylum: Nematoda
Nematodes are everywhere and parasitize everything all have a cuticle, non-living
external layer secreted by the epidermis cuticle is periodically shed as the
nematode grows in a process called ecdysis
QUESTION 6
Hydrostatic Skeleton
Formed by Cuticle and pseudocoelom along with high internal pressure
QUESTION 7
Phylum: Onychophora
Tropical predators that prey on ground dwelling insects, snails, and worms
END OF
PAGE
2
