Algae and Plankton

Diatoms are plankton with shells made from...

• Silica

• Oxygen

• Nitrogen

• Iron

What is responsible for about 90% of the earth's oxygen?

• plankton

• clouds

• trees

• algae

Tags

NGSS.MS-LS1-6

Which plankton supplies 90% of the entire ocean's energy?

• Phytoplankton

• Nekton

• Zooplankton

• Meroplankton

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the term used to describe organisms that are plankton ONLY in their larval stage?

• Holoplankton

• Meroplankton

• Phytoplankton

• Picoplankton

Phytoplankton are abundant in this ecosystem, because they are buoyant and float in the upper part of the water.

• Intertidal zone (high tide)

• Ocean (aphotic zone)

• Ocean (photic zone)

• Intertidal zone (low tide)

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is a term for a primary producer?

• Zenotroph

• Herterotroph

• Autotroph

• homotroph

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What does phyto mean in phytoplankton?

• Light

• Dark

• Animal

• Consumer

What algae is typically used for thickeners and in salads?

• Brown Algae

• Green Algae

• Red Algae

• Black algae

This guy is the base of the aquatic food web.

• Shrimp

• Plankton

• Alien Joe

• Amoeba

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Bacteria in water removes excess nitrates from fertilizers. Too much nitrate causes blooms of algae. Blooms of algae ______ oxygen levels.

• increase

• decrease

• evens out

• doesn't care about

Tags

NGSS.MS-LS2-4