Phytoplankton are:
The Hidden World of Phytoplankton

Quiz
•
Biology
•
8th Grade
•
Medium
Brandy Millerschoen
Used 1+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a type of fish
a type of aquatic plant
microscopic marine algae
a type of coral
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phytoplankton are tiny organisms that float in ______, lakes, and rivers.
oceans
deserts
mountains
forests
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a type of phytoplankton?
Diatoms
Dinoflagellates
Cyanobacteria
All of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phytoplankton produce a large part of the Earth's oxygen, estimated to be around ____ of the oxygen we breathe.
50%
30%
70%
90%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phytoplankton help reduce the effects of climate change by:
producing oxygen and absorbing carbon dioxide
releasing methane into the atmosphere
increasing ocean temperatures
decreasing ocean salinity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phytoplankton survive in their environment by:
photosynthesis
chemosynthesis
parasitism
predation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The challenges facing phytoplankton due to human activities and climate change include:
Increased ocean temperatures and acidification
Decreased nutrient availability
Pollution from agricultural runoff
All of the above
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