Biology 1104 Lab Exam (GSU) Questions with Correct Answers

Biology 1104 Lab Exam (GSU) Questions
with Correct Answers
Phylum Cnidaria - CORRECT ANSWER -tissue level, diploblastic no mesoderm, radial,



Phylum Platyhelminthes - CORRECT ANSWER -
organ level, triploblastic, aceolomate, bilateral, cephalization, blind sac



Phylum Nematoda - CORRECT ANSWER -pseudocoelomates, tube within tube



Phylum Rotifera (rotifers) - CORRECT ANSWER --pseudocoelomates

-heterotroph



Phylum Mollusca - CORRECT ANSWER -
eucoelomate, protostome, muscular foot, open circulatory



Phylum annelida - CORRECT ANSWER -metamerism, hemoglobin



Phylum Arthropoda - CORRECT ANSWER -
striated muscles, exoskeleton with jointed appendages, ecoelomates



Phylum Echinodermata - CORRECT ANSWER --eucoelomate

-deuterostomes

-bilateral

-



Phylum Cordata - CORRECT ANSWER -notocord, post anal cord, gill slits, dorsal hollow cord

, Subphylum Verbrata - CORRECT ANSWER -humans



Superclass Gnathostomata - CORRECT ANSWER -jawed vertebrates



Class Chondrichthyes - CORRECT ANSWER -sharks, skates, rays



Class Osteichthyes - CORRECT ANSWER -bony fish



Aceolomate/ advantages/ disadvantages - CORRECT ANSWER -no body cavity,

-body can be flat to hide

-limited movement/less intricate body



Pseudocoelomate/ advantages/ disadvantages - CORRECT ANSWER --
An animal whose body cavity is not completely lined by mesoderm

-Freedom of movement/ organ development and specialization

- no specialized control, not compartmentalized



Eucoelomate/ advantages/ disadvantages - CORRECT ANSWER --true body cavity

- complex digestive system, compartmentalized, space for organs

- difficult for regeneration



What phylum is only aceolomate? - CORRECT ANSWER -Platyhelminthes



Is nematoda pseudo or euceolomate? - CORRECT ANSWER -pseudo