BIO 322 PATHO FINAL EXAM 2025 UPDATE/PRACTICE QUESTIONS
AND CORRECT VERIFIED ANSWERS (complete solutions) ASSURED
SUCCESS/GRADED A+!!!
T/F. Arthropods have functional cilia. - CORRECT ANSWER-False. Cilia are absent
except in sperm in some groups.
What are cilia used as in some arthropods? - CORRECT ANSWER-neuroreceptors
Some arthropod sperm isn't ______. - CORRECT ANSWER-mobile
ecdysis - CORRECT ANSWER-process of molting
gonochoristic - CORRECT ANSWER-separate sexes
another term for dioecious used in Phylum Arthropoda
Subphylum Trilobitomorpha - CORRECT ANSWER-Trilobites
T/F. The trilobites are extant. - CORRECT ANSWER-False. They are extinct.
,extant - CORRECT ANSWER-still in existence
extinct - CORRECT ANSWER-no longer in existence
The trilobites lived in _______ environments. - CORRECT ANSWER-marine
Phylum Arthropoda Subphylums (4) - CORRECT ANSWER-Subphylum
Trilobitomorpha
Subphylum Uniramia
Subphylum Crustacea
Subphylum Chelicerata
coelomate - CORRECT ANSWER-body cavity lined by tissue completely derived
from mesoderm
Arthropods have a(n) _____ circulatory system where blood flows into ______. -
CORRECT ANSWER-open; sinuses
hemocoel - CORRECT ANSWER-blood cavity
Arthropods have a ________ and ____-_______ gut. - CORRECT ANSWER-
complete; well-developed
Which is the largest phylum in the Animal Kingdom? - CORRECT ANSWER-
Phylum Arthropoda
,Phylum Arthropoda has _________ symmetry and _______ development. -
CORRECT ANSWER-bilateral; triploblastic
Arthropods are _______ both internally and externally. - CORRECT ANSWER-
segmented
tagmosis - CORRECT ANSWER-fusion of segments into functional units
chitin - CORRECT ANSWER-Polysaccharide found in arthropod exoskeletons
(rigid)
Arthropods have ______ appendages. - CORRECT ANSWER-jointed
ommatidia - CORRECT ANSWER-compound eyes (phylum Arthropoda)
Arthropods have a ______ body plan. - CORRECT ANSWER-coelomate
pygidium - CORRECT ANSWER-posterior end
Trilobites had a distinct _____ fused to the _______. - CORRECT ANSWER-
cephalon (head); pygidium
Trilobites had two well-developed ________ ____. - CORRECT ANSWER-
compound eyes
, Trilobites had ______ pairs of appendages. - CORRECT ANSWER-4
mortality plate - CORRECT ANSWER-phenomenon when many organisms
fossilize at the same time, typically due to a catastrophic event
thorax - CORRECT ANSWER-abdomen
The trilobites were composed of _____ lobes. - CORRECT ANSWER-3
Subphylum Uniramia - CORRECT ANSWER-centipedes, millipedes, insects
Subphylum Uniramia Classes (2) - CORRECT ANSWER-Class Myrapodia
Class Insecta (Hexapoda)
Uniramians possess ________ to eat. - CORRECT ANSWER-mandibles
mandibles - CORRECT ANSWER-whole limb jaws with a single biting surface at
the tip
Uniramians have _______ appendages. - CORRECT ANSWER-multiarticulate
AND CORRECT VERIFIED ANSWERS (complete solutions) ASSURED
SUCCESS/GRADED A+!!!
T/F. Arthropods have functional cilia. - CORRECT ANSWER-False. Cilia are absent
except in sperm in some groups.
What are cilia used as in some arthropods? - CORRECT ANSWER-neuroreceptors
Some arthropod sperm isn't ______. - CORRECT ANSWER-mobile
ecdysis - CORRECT ANSWER-process of molting
gonochoristic - CORRECT ANSWER-separate sexes
another term for dioecious used in Phylum Arthropoda
Subphylum Trilobitomorpha - CORRECT ANSWER-Trilobites
T/F. The trilobites are extant. - CORRECT ANSWER-False. They are extinct.
,extant - CORRECT ANSWER-still in existence
extinct - CORRECT ANSWER-no longer in existence
The trilobites lived in _______ environments. - CORRECT ANSWER-marine
Phylum Arthropoda Subphylums (4) - CORRECT ANSWER-Subphylum
Trilobitomorpha
Subphylum Uniramia
Subphylum Crustacea
Subphylum Chelicerata
coelomate - CORRECT ANSWER-body cavity lined by tissue completely derived
from mesoderm
Arthropods have a(n) _____ circulatory system where blood flows into ______. -
CORRECT ANSWER-open; sinuses
hemocoel - CORRECT ANSWER-blood cavity
Arthropods have a ________ and ____-_______ gut. - CORRECT ANSWER-
complete; well-developed
Which is the largest phylum in the Animal Kingdom? - CORRECT ANSWER-
Phylum Arthropoda
,Phylum Arthropoda has _________ symmetry and _______ development. -
CORRECT ANSWER-bilateral; triploblastic
Arthropods are _______ both internally and externally. - CORRECT ANSWER-
segmented
tagmosis - CORRECT ANSWER-fusion of segments into functional units
chitin - CORRECT ANSWER-Polysaccharide found in arthropod exoskeletons
(rigid)
Arthropods have ______ appendages. - CORRECT ANSWER-jointed
ommatidia - CORRECT ANSWER-compound eyes (phylum Arthropoda)
Arthropods have a ______ body plan. - CORRECT ANSWER-coelomate
pygidium - CORRECT ANSWER-posterior end
Trilobites had a distinct _____ fused to the _______. - CORRECT ANSWER-
cephalon (head); pygidium
Trilobites had two well-developed ________ ____. - CORRECT ANSWER-
compound eyes
, Trilobites had ______ pairs of appendages. - CORRECT ANSWER-4
mortality plate - CORRECT ANSWER-phenomenon when many organisms
fossilize at the same time, typically due to a catastrophic event
thorax - CORRECT ANSWER-abdomen
The trilobites were composed of _____ lobes. - CORRECT ANSWER-3
Subphylum Uniramia - CORRECT ANSWER-centipedes, millipedes, insects
Subphylum Uniramia Classes (2) - CORRECT ANSWER-Class Myrapodia
Class Insecta (Hexapoda)
Uniramians possess ________ to eat. - CORRECT ANSWER-mandibles
mandibles - CORRECT ANSWER-whole limb jaws with a single biting surface at
the tip
Uniramians have _______ appendages. - CORRECT ANSWER-multiarticulate
