Green Algae
Brown Algae
Did You Know?
Red Algae
100

Brilliant white when bleached in sun.

What is cactus algae?

100

Turns dark brown on beach.

What is pelagic sargassum?

100

Have bitter chemicals that discourage grazing by fish

What is iridescent-banded algae?

100

Where branching coralline algae grows

What is shallow seagrass beds?

200

Where do Caulerpa species grow on?

On reefs and sea grass pastures

200

what do attached sargassum branches connect to?

Tough holdfast

200

The bubble branchlets of red grapes contain what For buoyancy?

Sugars and protein 

200

Who are red algae related to?

Green algae

300

Cactus algae grow as chains of what?

Calcareous segments attached to stiff base and rhizoids

300

Where does league sargassum drift to?

Drifts on gulf and Atlantic currents

300

What is much of the coarse, white beach in the Keys made of?

Pulverized cactus algae that grew recently

300

what colors are spiny seaweed?

Yellowish or pale green

400

Shaving brush algae are firmly anchored by?

Their stiff stalk to mass of rhizoids

400

how do the three-cornered hat algae live?

Attached and float when free due to air in their fonds

400

What happens as sargassum drifts?

Provides habitat-life raft for hundreds of species of animals 

400

Where does red algae grow?

Shallow water

500

Encrusting algae of other types

What is sailor’s eye bubble algae covered with?

500

Which family are all brown algae in?

Family Sargassaceae

500

Which currents bring the floating algae to the center of an ocean-spanninggyre?

Current circling the northern Atlantic 

500

Red grapes algae, thicket algae, and coralline algae are distantly related as?

Red algae

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