Marine Biology Unicellular Algae Quiz

Diatoms are surrounded by a special cell wall called a

• Flagellate

• Capsid

• Cellulose

• Frustule

Algae are classified as eukaryotes because...

• They have cell walls.

• They don't have a nucleus.

• They have a nucleus.

• They reproduce sexually.

Dinoflagellates have two small, tail-like structures called...

• Pili

• Flagella

• Cilia

• Frustules

Diatoms' glassy shells are composed of...

• Silica

• Calcium

• Cellulose

• Carbon

The word "bioluminescent" refers to organisms that can produce...

• Food

• Light

• Lumins

• Scent

Corals have a close relationship with...

• Pfiesteria

• Zooxanthellae

• Diatoms

• Cyanobacteria

The article "Diagnosing Death with Diatoms" described how diatoms could be used to solve crimes involving individuals who had been...

• Suffocated

• Stabbed

• Drowned

• Shot

What causes coral bleaching?

• Bleach pollution

• The organisms that live within corals die.

• The organisms that live within corals are exposed to toxins that make them sick.

• The organisms that live within corals leave.

Why are Pfiesteria sometimes called " the phantom dinoflagellate"?

• They sneak up on their prey.

• They spend most of their lives in a harmless resting stage.

• They don't really exist...scientists made them up.

• When they die the lose all color, making them look like microscopic ghosts.

Some diatoms produce a potent chemical that can affect the...

• Skeletal system

• Cardiovascular system

• Respiratory sytem

• Nervous system