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Marine Biology Semester Exam Review
Test Description: First semester midterm exam review
Instructions: Answer all questions to get your test result.
1) Percent of the Earth's surface covered by seawater
A
80
B
72
C
75
D
25
2) What is the boiling point of water?
A
32
B
212
C
100
D
312
3) What substance in marine animals is used for energy storage?
A
proteins
B
lipids
C
carbohydrates
D
enzymes
4) The powerhouse of the cell
A
nucleus
B
chloroplast
C
cell membrane
D
mitochondria
5) Where photosynthesis occurs
A
nucleus
B
chloroplast
C
cell membrane
D
mitochondria
6) which organisms are warm-blooded
A
endotherms
B
neither
C
ectotherms
D
both
7) what does the term phytoplankton mean?
A
plant-eating
B
plant-seeking
C
plant-producing
D
plant-drifting
8) What does haploid mean?
A
a cell with no chromosomes
B
A cell that has double the normal chromosomes
C
a cell that has paired chromosomes
D
a cell with half the normal chromosomes
9) Term referring to the top or back surface of an animal
A
medial
B
dorsal
C
caudal
D
ventral
10) A special organ that allows an organism to scrape food into their mouth
A
spicule
B
radula
C
chromatophore
D
bysaal threads
11) A decomposer is
A
another name for algae
B
a photosynthetic organism
C
an organism that breaks down organic material into useful nutrients
D
an organism that results from sybiosis between a fungus and algae
12) The relationship between two species where at least one of them benefits is
A
sponging
B
meroplankton
C
photosynthesis
D
symbiosis
13) A stinging cell used to sting and entangle prey is
A
a nematocyst
B
a haploid cell
C
a diatom
D
a spicule
14) The term gastro means
A
foot
B
head
C
back
D
stomach
15) Hermit crabs are real crabs.
A
False
B
True
16) Brittle stars are nocturnal
A
True
B
False
17) A notochord is
A
flexible supportive rod that runs the legth of some organisms' body
B
appendages near the mouth that maneuvers food into it
C
radial symmetry
D
the head and thorax fused together
18) Which of the following ocean basins is the largest?
A
Indian
B
Artic
C
Pacific
D
Atlantic
19) The process of shedding and replacing an exoskeleton
A
molting
B
sponging
C
nudibranch
D
osmosis
20) Waves in the ocean represent a flow of
A
life
B
energy
C
cells
D
water
*select an answer for all questions
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