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BIO 152 FINAL EXAM QUESTIONS BANK NEWEST ACTUAL EXAM COMPLETE ALL 200 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+$29.49
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BIO 152 FINAL EXAM QUESTIONS BANK
NEWEST 2024-2025 ACTUAL EXAM
COMPLETE ALL 200 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
BIO 152 FINAL EXAM
Which phylum is characterized by animals that have a
segmented body?
a. Cnidaria
b. Platyhelminthes
c. Porifera
d. Arthropoda
e. Mollusca - ANSWER- d. Arthropoda
The water vascular system of echinoderms
a. functions as a circulatory system that distributes nutrients
to body cells.
b. functions in locomotion and feeding.
c. is bilateral in organization, even though the adult animal
,2|Page
is not bilaterally symmetrical.
d. moves water through the animal's body during suspension
feeding.
e. is analogous to the gastrovascular cavity of flatworms. -
ANSWER- b. functions in locomotion and feeding.
Which of the following combinations of phylum and description
is incorrect?
a. Echinodermata—bilateral symmetry as a larva, coelom
present
b. Nematoda—roundworms, pseudocoelomate
c. Cnidaria—radial symmetry, polyp and medusa body forms
d. Platyhelminthes—flatworms, gastrovascular cavity,
acoelomate
e. Porifera—gastrovascular cavity, coelom present - ANSWER-
e. Porifera—gastrovascular cavity, coelom present
In Figure 33.2 (page 666), which two main clades branch from
the most
recent common ancestor of the eumetazoans?
a. Porifera and Cnidaria
b. Lophotrochozoa and Ecdysozoa
,3|Page
c. Cnidaria and Bilateria
d. Rotifera and Deuterostomia
e. Deuterostomia and Bilateria - ANSWER- c. Cnidaria and
Bilateria
In Figure 33.8 (page 673), assume that the two
medusae shown at step 4 were produced by one polyp colony.
Review Concept 12.1 (pp. 229-230) and Concept 13.4
(pp. 257-260), and then use your understanding of mitosis and
meiosis to evaluate whether the following sentence is true or
false. If false, select the answer that provides the correct reason.
Although the two medusae are genetically identical, a sperm
produced
by one will differ genetically from an egg produced by the other.
a. F (the medusae are genetically identical, but so are the
gametes)
b. F (neither the medusae or the gametes are genetically
identical)
c. F (the medusae are not identical but the gametes are)
d. T - ANSWER- d. T
The archenteron develops into
, 4|Page
a. the mesoderm.
b. the blastocoel.
c. the endoderm.
d. the placenta.
e. the lumen of the digestive tract. - ANSWER- e. the lumen of
the digestive tract.
What happens when a resting neuron's membrane depolarizes?
a. There is a net diffusion of Na out of the cell.
b. The equilibrium potential for K (EK) becomes more positive.
c. The neuron's membrane voltage becomes more positive.
d. The neuron is less likely to generate an action potential.
e. The cell's inside is more negative than the outside. -
ANSWER- c. The neuron's membrane voltage becomes more
positive.
A common feature of action potentials is that they
a. cause the membrane to hyperpolarize and then depolarize.
b. can undergo temporal and spatial summation.
c. are triggered by a depolarization that reaches the threshold.
d. move at the same speed along all axons.
e. require the diffusion of Na and K through ligand-gated
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