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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
25
B
72
C
75
D
80
2) What is the boiling point of water?
A
212
B
312
C
100
D
32
3) What substance in marine animals is used for energy storage?
A
proteins
B
lipids
C
enzymes
D
carbohydrates
4) The powerhouse of the cell
A
mitochondria
B
nucleus
C
chloroplast
D
cell membrane
5) Where photosynthesis occurs
A
chloroplast
B
mitochondria
C
nucleus
D
cell membrane
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-producing
C
plant-drifting
D
plant-seeking
8) What does haploid mean?
A
a cell with half the normal chromosomes
B
A cell that has double the normal chromosomes
C
a cell with no chromosomes
D
a cell that has paired chromosomes
9) Term referring to the top or back surface of an animal
A
ventral
B
caudal
C
medial
D
dorsal
10) A special organ that allows an organism to scrape food into their mouth
A
spicule
B
chromatophore
C
bysaal threads
D
radula
11) A decomposer is
A
another name for algae
B
an organism that results from sybiosis between a fungus and algae
C
a photosynthetic organism
D
an organism that breaks down organic material into useful nutrients
12) The relationship between two species where at least one of them benefits is
A
photosynthesis
B
meroplankton
C
sponging
D
symbiosis
13) A stinging cell used to sting and entangle prey is
A
a haploid cell
B
a spicule
C
a diatom
D
a nematocyst
14) The term gastro means
A
head
B
foot
C
back
D
stomach
15) Hermit crabs are real crabs.
A
True
B
False
16) Brittle stars are nocturnal
A
False
B
True
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
Pacific
C
Atlantic
D
Artic
19) The process of shedding and replacing an exoskeleton
A
nudibranch
B
osmosis
C
molting
D
sponging
20) Waves in the ocean represent a flow of
A
water
B
cells
C
energy
D
life
*select an answer for all questions
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