Most primary producers (like algae and plants) get energy through ​ (a)   .​

• photosynthesis
• chemosynthesis
• consuming other organisms
• magic

Tags

NGSS.MS-LS1-6

In aquaponics systems, ​ (a)   provides nutrients for the ​ (b)   and the plants clean the ​ (c)   for the ​ (d)   .

• fish waste
• plants
• water
• fish
• bacteria
• soil

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

______ is harvested from seaweeds and is used as a thickener in batters, gels, dairy products, and meat products.

• Agar

• Salt

• Carrageenan

• Biofuel

_____ is the combination of hydroponic plant systems and aquaculture fish systems working together to produce multiple harvest species.

• Aquaponics

• Aquacrops

• Hydroponics

• Agriculture

Tags

NGSS.MS-LS2-3

The correct equation for photosynthesis is:

• 8O2 + 8H2O + light energy → C8H16O8 + 8CO2

• 6CO2 + 6H2O + light energy → C6H12O6 + 6O2
• C4H8O4 + 4H2O + light energy → C4H8O4 + 4 CO2

• 2CO2 + 2O2 + light energy → C3H6O3 + 2H2O

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

​ (a)   is NOT one of the major uses of aquacultured freshwater plants.

• Source of carrageenan
• Wastewater treatment
• Bioremediation
• Food for humans and animals
• Ornamental plants for ponds and water gardens

Seaweeds are ​ (a)   .​

• multicellular algae
• vascular plants
• non-vascular plants
• aliens

Most seaweeds are classified based on _____.

• how large they are

• how tall they grow

• color of their accessory pigments

• where they live

Match the following accessory pigment colors to the correct algae group name.

• green

• Rhodophyta

• brown

• Chlorophyta

• red

• Phaeophyta

Select ALL of the common uses of saltwater algae and seaweeds.

• biofuels (like ethanol and methanol)

• food for humans and animals

• phycocolloids like carrageenan

• bioremediation

• to increase algae blooms in the ocean