Card Set Information
Questions from Bio 2484 Reading
What percentage of described species are arthropods?
When did arthropods begin?
Over 500 million years ago
How many insects are alive on Earth at any one time?
A billion billion
How many ants are alive on Earth at any one time?
A million billion
What is one of the most abundant animals in the ocean?
A copepod, their world-wide mass easily exceeds those of all the whales combined
Name some examples of crustaceans.
Crabs, pillbugs, and barnacles