Kelp and Algae
Adaptations
Feet, Legs, Arms
Skin, Bones and Coverings
Prefix, Suffix, and Word meanings
100
What are the ideal conditions that allow kelp to grow as fast as it can? (There are two: name at least one.)
Cold temperatures, bright sunlight
100
What do bright colors on an organism often mean?
They signal that an organism is poisonous.
100
How many feet does a lobster have?
Ten. It is a decapod (deca=ten; pod=foot or leg)
100
Name a sea creature with an exoskeleton.
Lobsters,crabs, and other crustaceans are good examples. Exo- means "outside". An exoskeleton is a skeleton on the outside. 
100
What creature has penta-radial symmetry?
Sea Star. (Penta means 5, and sea stars have
5-point symmetry ).
200
What are some everyday products that contain algae as an ingredient?
Any of these: toothpaste, sunblock, ice cream
200
Name an underwater organism that has a beak.
An octopus, a squid, a cuttlefish. All of these have beaks.
200
How many arms does a sea star have?
Five.
200
Name an invertebrate.
Any creature without a spine (backbone) is an invertebrate. Jellyfish, Sea snails, octopuses, squid, worms, lobsters, crabs, and clams are all invertebrates.
200
What is a decapod?
Deca- means "ten" -pod means "foot or leg". Decapods have ten legs. Lobsters are an example.
300
How fast can kelp grow in ideal conditions? (How many feet per day)
3 to 5 feet per day.
300
What kind of organism can eject (shoot) a leg to escape a predator?
A brittle star (sea star is acceptable for points)
300
What feature is the California spiny lobster lacking, compared to the Maine lobster?
The Calfornia lobster doesn't have large claws.
Spiny Lobster Maine Lobster
300
Name a cartilaginous fish.
Sharks, rays, and skates are good examples. A cartilaginous fish has flexible cartilage (like you have in your nose and ears) instead of hard, inflexible bones.
300
What does "plankton" mean?
drifter
400
What is the difference between the holdfast of kelp and the roots of a plant?
A holdfast just anchors the kelp. It doesn't absorb water or nutrients like roots do.
400
What organism did we learn is color-blind, even though it is a master or camouflage?
An octopus.
400
Name a sea creature with exactly one foot.
Gastropods have one foot. A sea snail is an example. So is a nudibranch.
Sea Snail:
Nudibranch:
400
Name an echinoderm.
Echino=spiny derm=skin. An echinoderm has spiny skin. Examples include sea urchins, sea stars
400
What does cephalopod mean?
Cephalo- means "head or brain" -pod means "foot or leg". Cephalopod means "a head with legs". An example of a cephalopod would be an octopus, a squid, or a cuttlefish.
500
What structure anchors kelp to a rock or to the ocean floor
A holdfast
500
Which organism did we learn can bioluminesce (glow in the dark as a living organism)?
The midshipman
500
How many feet does a sea star have?
Tricky question: A sea star has hundreds and hundreds of tube feet. They are small and are found on the bottoms of the sea star's arms.
500
Name a cephalopod.
Cephalo=head or brain pod=foot or leg. A cephalopod seems like a head with legs. An example could be an octopus, a squid, or a cuttlefish.
500
What does the prefix zoo- mean?
Zoo- means "animal". Zooplankton are made up of animals, usually very small ones.
