Algae review

Algae have evolved specifically to harm humans

• True

• False

• Unclear

What proportion of global oxygen is produced in aquatic systems

• 10%

• 25%

• 50%

• 75%

• 90%

Green Algae are:

• Bacteria

• Fungi

• Eukaryotes

• Archaea

• None of these

Which HAB taxa was responsible for the 2014 Toledo water shutdown?

• Prochlorococcus spp.

• Alexandrium spp.

• Microcystis aeruginosa

• Emiliania huxleyi

• None of these

Which is NOT a strength of industrial algal applications

• Can grow in substandard water

• Can grow in non-agricultural areas

• No need to add carbon

• Takes carbon dioxide from atmosphere

• All of these are strengths

Tags

NGSS.HS-LS2-5

NGSS.HS-LS2-7

Giant Kelp obtains nutrients from

• Endosymbionts

• Sediment via roots

• Water via fronds

• Makes all its own

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Algae have xylem and phloem

• True

• False

• Some do

A dead zone is a:

• low oxygen zone in water

• toxic zone of an environment

• zone where nothing can live

• None of these

• All of these

Tags

NGSS.HS-LS2-3