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Unicellular Marine Organisms And Marine Algae And Plan Test Review Part 2
Test Description: Part 2 of test review
Instructions: Answer all questions to get your test result.
1) Organisms that live on food that is made by other organisms are called
A
producers
B
autotrophs
C
heterotrophs
D
cyanobacteria
2) Of all the pigments involved in photosynthesis, the most important one found in all marine algae is
A
phycocyanin
B
carotene
C
chlorophyll
D
xanthophyll
3) A protist that can both make and take in its food is the
A
ameba
B
diatom
C
cyanobacterium
D
dinoflagellate
4) An algal bloom of dinoflagellates that cause fish kills is called the
A
saxotoxin
B
brown tide
C
red tide
D
bioluminescence
5) Organisms such as decay bacteria that help recycle dead organic matter are called
A
phytoplankton
B
autotrophic
C
eukaryotes
D
decomposers
6) All of the following are characteristics found in seaside plants except
A
chloroplasts
B
long underground stems
C
vascular tissue
D
holdfast attachments
7) The waxy covering of the prickly pear is an adaptation for
A
secreting poison to trap insects
B
deterring animals
C
stabilizing dunes
D
minimizing water loss
8) Cordgrasses are adapted to live in salt water because they have
A
special glands in their leaves to excrete excess salt
B
thick leaves that store water and pump salt out
C
waxy stems that store fresh water
D
roots that absorb excess salt
9) The organic debris brought in by tides and trapped by the roots of mangrove trees
A
reduces the forces of the tides
B
serves as a depository for salt
C
provides a surface on which plankton can grow
D
serves as a source of food for marine organisms
10) What is a difference between diatoms and dinoflagellates?
A
Diatoms can only do photosynthesis and dinoflagellates can do photosynthesis and eat other plankton
B
All of the above
C
Diatoms are made of silica and dinoflagellates are made of cellulose
D
Diatoms either have one or no flagella and dinoflagellates have two flagella
*select an answer for all questions
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