Unicellular Marine Organisms And Marine Algae And Plan Test Review Part 2 Question Preview (ID: 21407)
Part 2 Of Test Review.
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Organisms that live on food that is made by other organisms are called
a) producers
b) heterotrophs
c) autotrophs
d) cyanobacteria
Of all the pigments involved in photosynthesis, the most important one found in all marine algae is
a) carotene
b) xanthophyll
c) chlorophyll
d) phycocyanin
A protist that can both make and take in its food is the
a) diatom
b) dinoflagellate
c) cyanobacterium
d) ameba
An algal bloom of dinoflagellates that cause fish kills is called the
a) saxotoxin
b) brown tide
c) bioluminescence
d) red tide
Organisms such as decay bacteria that help recycle dead organic matter are called
a) autotrophic
b) decomposers
c) phytoplankton
d) eukaryotes
All of the following are characteristics found in seaside plants except
a) long underground stems
b) vascular tissue
c) holdfast attachments
d) chloroplasts
The waxy covering of the prickly pear is an adaptation for
a) deterring animals
b) minimizing water loss
c) stabilizing dunes
d) secreting poison to trap insects
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) roots that absorb excess salt
d) waxy stems that store fresh water
The organic debris brought in by tides and trapped by the roots of mangrove trees
a) serves as a source of food for marine organisms
b) reduces the forces of the tides
c) serves as a depository for salt
d) provides a surface on which plankton can grow
What is a difference between diatoms and dinoflagellates?
a) Diatoms can only do photosynthesis and dinoflagellates can do photosynthesis and eat other plankton
b) Diatoms are made of silica and dinoflagellates are made of cellulose
c) Diatoms either have one or no flagella and dinoflagellates have two flagella
d) All of the above
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