How are we alike?
body of armor to protect and support animal
What is an exoskeleton?
Lobsters live in ___________-water, while crayfish live in _________-water.
These animals never ___________, but spend their time walking along the ocean floor.
What is swim?
Shrimp look like small ______________.
What is lobsters?
We know about this animal only because of its fossils.
What is trilobite?
how crustaceans can grow and still have a strong body protection
What is molting?
The largest lobster ever recorded in pounds
What is 44 pounds?
Male fiddler crabs use this to attract a mate
What is chelipad or giant front claw?
The main diet of the blue whale
What is krill?
This animal attaches itself to rocks, boats, and even to whales.
What is barnacles?
The part of the crustacean that covers the cephalothorax (head and abdomen)
What is caraspace?
Lobsters and crayfish eat plants and animals. They will also eat dead and decaying animals making them ___________.
What is scavengers?
The relationship between hermit crabs and sea anemones
What is symbiosis or mutualism?
Krill are considered a ____________ species because without them, many other animals would become extinct.
What is keystone?
This part of the trilobite was see-through and crystal-like.
What is its eyes?
The part of the crustacean's body that can regrow if needed
What is chelipeds?
Lobsters have this in their stomach to help digest food
What are teeth?
Hermit crabs are __________________ eating both plants and animals.
What is omnivore?
Shrimp have a symbiotic relationship with fish by helping them in this way
What is cleaning their teeth?
The trilobite had this many lobes or sections.
What is three?
At the end of the abdomen, the part of the crustacean that helps the animal to steer when swimming
What is tail fin?
Of the 100 thousand eggs, only about __________ baby lobsters will survive until adulthood.
What is 4?
The land crabs of Christmas Island migrate to the ocean every year to mate because the crab larvae needs this in order to survive.
What is water? (because they breathe with gills)
This shrimp captures its prey by snapping its chelipod, making a loud noise and stunning the prey.
What is pistol shrimp?
Barnacles are able to protect itself when out of the water in this way