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