Show:
Crustaceans
Mollusks
Mammals
Fish
Amphibians
100
Which of the following is NOT a crustacean: Crayfish, crab, shrimp, frog, barnacle
Frog
100
Are mollusks invertebrate or vertebrate?
invertebrate
100
Do all mammals live on land?
No
100
What are the plates that cover the skin of fish?
scales
100
Are amphibians vertebrated?
Yes
200
What are chelipeds on crayfish used for?
obtaining food & defending itself
200
What is the thin layer of tissue that covers thier organs called?
mantle
200
What kind of tooth is pointed and is used to stab and tear food?
Canines
200
Is it true that fish get thier oxygen from WATER?
Yes
200
What are the groups of amphibians?
salamanders, frogs, and toads
300
How do most crustaceans get oxygen?
Through gills
300
What kind of symmetry do mollusks have?
bilateral symmetry
300
Mammals breathe in & out using rib muscles & what?
Diaphragm
300
Do fish have an open circulatory system, or closed?
closed circulatory system
300
What is a baby frog called?
tadpole
400
Name 1 predator of Krill.....
fish, penguins, seals, blue whales
400
What are the three main groups of mollusks?
gastropods, bivalves, cephalopods
400
What is fat used for on mammals?
As an insulator
400
Do jawless fish have scales?
No
400
What does amphibian mean?
Double Life
500
Do all crustaceans live in water?
No, some live on land
500
What organ in mollusks tear up food?
radula
500
What are egg laying mammals known as?
monotremes ~ Perry the Platypus
500
What are cartilaginous fish?
Fish that have scales, jaws, & thier skeletons are cartilage.
500
How many chambers does a frog's heart have?
3 chambers