Plankton

What does the name "plankton" mean?

• tiny/microscopic

• drifter/wanderer

• photosynthetic

• anaerobic

Which plankton are photosynthetic? Choose any/all that apply:

• krill

• cyanobacteria

• diatoms

• oyster larvae

Tags

NGSS.MS-LS1-6

Match the following terms to their definitions:

• meaning they remain plankton entire life

• zooplankton

• meaning temporarily in a plankton stage

• phytoplankton

• photosynthetic drifters

• macroplankton

• drifting animals like jellies and larvae

• meroplankton

• large plankton up to 20 cm long

• holoplankton

These are species of shrimp-like crustaceans that live in dense groups and are an important food source for many baleen whales.

• coccolithophores

• oyster larvae

• krill

• diatoms

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Photosynthetic organisms in our oceans produce at least 50% of the oxygen we breath.

• True

• False

Tags

NGSS.MS-LS1-6

These are limiting nutrients and when added to water in the form of fertilizer they cause harmful algal blooms (HABs):

• Hydrogen and oxygen

• Nitrogen and phosphorus

• Carbon and silicon

• Calcium and sulfur

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-ESS3-4

Match the following size categories of plankton:

• Largest:

  20-200 cm

• Femtoplankton

• 20-200 micrometers (μm)

• Macroplankton

• Second largest:

  2-20 cm

• Megaplankton

• 0.2-2 micrometers (μm)

• Microplankton

• Smallest plankton include marine viruses

• Picoplankton

Comb jellies (ctenophores) would be what type of plankton?

• virioplankton

• bacterioplankton

• phytoplankton

• zooplankton

Sargassum seaweed that grows longer than 20 cm would be what type of plankton? Choose all that apply:

• phytoplankton

• zooplankton

• microplankton

• megaplankton

Oyster larvae (spat) is only temporarily in a planktonic phase of its life cycle. What kind of plankton is this, choose all that apply:

• phytoplankton

• holoplankton

• meroplankton

• zooplankton

Tags

NGSS.MS-LS2-4