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

what green fleece forms in the water

what is a domed clump

200

what is the most common shape of padina 

What is fan shape fronds

200

As it drifts, this seaweed provides a habitat for hundreds of species,

what is sargassum 

200

what algae quickly bleaches clear

graceful redweed

300

two species that live on shallow seagrass beds and sand flats

what are cactus and shaving brush algae

300

Has green-brown bubble-balls that appear partially flattened

Ballon seaweed

300

Has photosynthetic pigment that absorbes blue light

What is red algae

300

Graceful redweed often live as what

what is unattached drift algae

400

what algae makes up much of the coarse white beaches in the Keys

what is pulverized cactus algae

400

these algae largely disappear in cold months

what is dictyota

400

The crushed skeletons of thicket algae and branching coralline are sources of what

What is beach sand

400

red spineweed is distantly related to what algae

what are graceful redweed and hypnea

500

What family is sailors eye in

what is Valoniaceae

500

how do three cornered hat algae attach to rock in turbulent waters

what are holdfasts

500

This alien species of caulerpa from the tropics has entered into this sea, causing big ecological trouble 

what is sailor’s eye

500

What allows red algae to live at greater depths than green algae

what are blue light absorbing pigments