Animal Review 3

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The word amphibia means

Which subphylum contains organisms that have gills or exchange oxygen through their exoskeleton?

The first animals on land were

Hexapods have ___ body segments and ____ legs.

Caecilians

Which statement is true about the difference between male and female crayfish?

Amphibians can have a variety of ways with which they can respires. This may include the use of

This subphylum contains arthropods that secrete gastric juices into their prey which dissolve the internal organs so that the predator can drink them.