Download Practice Quiz 1: Plankton and Cells

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Transcript
You looked at a slide
similar to this.
What was it a slide of?
Zooplankton
What is the organism
that the “arrow” is
pointing to?
A copepod
Identify this organism
This is a copepod which is an abundant component of zooplankton
Why are organisms like this referred to as “cows of the sea”?
Copepods are major grazers of phytoplankton
Identify this organism
Diatom
What are the shells or tests of these phytoplankton made of?
What are these organisms?
SiO2 or Glass
Diatoms
These organisms have a large oil filled vacuole. They also have chloroplasts. Are
they an example of phytoplankton or zooplankton? What are they?
They are capable of
photosynthesis thus
they are phytoplankton.
Diatoms
How do these diatoms maintain their position close to the ocean surface so that they
get plenty of sunlight for photosynthesis?
They have oil filled
vacuoles which help
them float.
Identify Structure
The nucleus
Identify Structure
The nucleolus
Identify Structure
The cell membrane
What’s this stuff?
Cytoplasm
What are these?
Unfertilized sea star eggs
Kingdom? Protista
What are these? Foraminiferans
Are they zooplankton or phytoplankton?
Zooplankton
What are the shells of these organisms made of?
Calcium carbonate or limestone
Kingdom Protista
Zooplankton
Radiolarian Strew
Note that the shells or tests are made of silica dioxide (glass)
What is the shell or test of these
organisms made of?
Calcium carbonate or limestone
These organisms belong to Kingdom Protista
They are a type of zooplankton
What is the common name of these organisms?
Radiolarians
What are the shells of these organisms made of?
Silica dioxide or glass