COSMOS Cluster 11 day 2

What is scoria?

• a fish commonly used in aquaponics

• volcanic rock

• a type of leafy green

• type of tomato

"Your scientists were so preoccupied with whether or not they could, that they didn’t stop to think if they should"

What movie does this quote come from?

• The Titanic

• Shrek

• The Avengers

• Jurassic Park

What does RAS Stand for?

• Recirculating Aquaculture System

• Research Aquaculture System

• Recirculating Aquatic System

• Recirculating Aquaponic System

Closed systems typically have 0 discharge.

• True

• False

Which is not a benefit of RAS?

• reduced water requirements

• temperature control

• water quality control

• low cost

Which of the following fish is not anadromous?

• tilapia

• king salmon

• white sturgeon

• steelhead trout

What fish is often used in research as a model organism?

• zebra fish

• goldfish

• catfish

• sardines

What has the biggest negative impact on water quality?

• temperature

• feeding fish

• bacteria

• algae

What does TAN stand for?

• Total Ammonia Nitrogen

• Tropic Aquaculture Nitrogen

• Tropic Ammonia Nitrites

• Total Aquatic Nitrates

What is the minimum amount of O2 required for Nitrobacter bacteria in mg/L?

• 6.5

• 4.0

• 7.0

• 8.34