Algae and Plankton

Which best describes the source of oxygen in ocean water?

• Oxygen is produced by marine plants in the process of making food.

• 
  Oxygen is produced through the exhalations of marine animals.

• 
  Oxygen is produced through precipitation falling on the ocean.

• Oxygen is produced by nodules on the ocean floor.

These horseshoe crab larvae are termed_________ since they grow into entirely different adult forms.

• nekton

• meroplankton

• holoplankton

• phytoplankton

Animal members of the plankton community.

• Phytoplankton

• Meroplankton

• Holoplankton

• Zooplankton

What organism(s) are pictured here?

• Diatoms

• Dinoflagellates

• Zooplankton

• Nekton

Which group of zooplankton is plankton for its WHOLE life?

• holoplankton

• meroplankton

The larvae of crabs and krill belong to which group of plankton?

• Phytoplankton

• Meroplankton

• Holoplankton

• None of the above

Phytoplankton do NOT produce their own energy.

• True

• False

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of these is the phytoplankton that has a whip-like tail?

• Diatoms

• Radiolarians

• Dionfalalletes

• Ciona

Tags

NGSS.MS-LS1-6

Brown macroalgae is attached to rocks by ______ but the _____ allows it to stay upright and near the surface.

• Holdfast / Blades

• Blades / Float

• Holdfast / Float

• Holdfast / Rhizome

Harmful Algal Blooms can be toxic to people as well as animals.

• True

• False

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4