Brilliant white when bleached in sun.
What is cactus algae?
Turns dark brown on beach.
What is pelagic sargassum?
Have bitter chemicals that discourage grazing by fish
What is iridescent-banded algae?
Where branching coralline algae grows
What is shallow seagrass beds?
Spheres, looks like a smooth, turgid, dark-green, miniature water ballon.
What is Sailor’s eye (bubble algae)?
All live attached to hardbottom in shallow water.
Where does all brown algae live?
A habitat life-raft for hundreds of species of animals.
What does sargassum provide for marine animals?
Red grapes have numerous bubble-like branchlets.
What feature may grow in clumps attached to a shell or pebble?
Both Caulerpa species grow on reefs and seagrass pastures.
Where do Caulerpa species grow?
Dictyota is extremely abundant
What is the most abundant brown algae in the Keys?
There is no distinction between individual cells, with direct connections of cytoplasm throughout plant.
What does it mean when algae is coenocytic?
In shallow waters with moderate wave surge.
Where do all red algae grow?
Made of pulverized cactus algae
What is the white beach in the Keys made of?
Dictyota largely disappears
What brown algae disappears in cold months?
A toxic species of caulerpa from the Tropics has invaded the Mediterranean Sea.
What is causing big ecological troubles?
Fragile, pale-pink branches with stubby branchlets
What is Spiny seaweed?
The family Codiaceae
Who are the relatives of Green fleece?
Branches connect to a tough holdfast. The longest branches have air bladders.
What is attached sargassum?
Red algae have a photosynthetic pigment that absorbs blue light.
What allows red algae to live at greater depths than green plants?
Contains sugar and protein for buoyancy so that strands remain upright in water