Invertebrates

All animals can be classified as either invertebrates or vertebrates. Do you know how to tell them apart? Want to learn more? Check out the "Animal Classification" or "Invertebrates" sections in our reference library. Think you know enough? Try a few questions.

Questions

1)
Which of the following animals are invertebrates (click on all that apply)?

2)
Lets try that again. Maybe we can fool you. Which of the following animals are invertebrates (click on all that apply)?

3)
What do all invertebrates have in common?
They all have a soft skeleton made of fluid.
They all have a hard external skeleton.
They don't have a hard internal skeleton.
They are all cold blooded.
4)
Invertebrates include which types of animals?
Protazoa
Mollusks
Crustaceans
Insects
All of the above

 

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