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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
75
B
80
C
72
D
25
2) What is the boiling point of water?
A
100
B
212
C
312
D
32
3) What substance in marine animals is used for energy storage?
A
carbohydrates
B
lipids
C
enzymes
D
proteins
4) The powerhouse of the cell
A
mitochondria
B
nucleus
C
chloroplast
D
cell membrane
5) Where photosynthesis occurs
A
mitochondria
B
chloroplast
C
nucleus
D
cell membrane
6) which organisms are warm-blooded
A
endotherms
B
neither
C
both
D
ectotherms
7) what does the term phytoplankton mean?
A
plant-drifting
B
plant-producing
C
plant-seeking
D
plant-eating
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
ventral
C
dorsal
D
caudal
10) A special organ that allows an organism to scrape food into their mouth
A
chromatophore
B
radula
C
spicule
D
bysaal threads
11) A decomposer is
A
an organism that breaks down organic material into useful nutrients
B
an organism that results from sybiosis between a fungus and algae
C
another name for algae
D
a photosynthetic organism
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 nematocyst
B
a haploid cell
C
a spicule
D
a diatom
14) The term gastro means
A
foot
B
stomach
C
back
D
head
15) Hermit crabs are real crabs.
A
True
B
False
16) Brittle stars are nocturnal
A
True
B
False
17) A notochord is
A
the head and thorax fused together
B
appendages near the mouth that maneuvers food into it
C
radial symmetry
D
flexible supportive rod that runs the legth of some organisms' body
18) Which of the following ocean basins is the largest?
A
Artic
B
Indian
C
Atlantic
D
Pacific
19) The process of shedding and replacing an exoskeleton
A
nudibranch
B
sponging
C
molting
D
osmosis
20) Waves in the ocean represent a flow of
A
energy
B
water
C
life
D
cells
*select an answer for all questions
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