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Bony fishes possess two features not found in other fish. Select the best choice from those listed below to complete the following sentence. Bony fishes have

The germ layer that gives rise to the outer covering of the animal body and the nervous system is the:

Spiders and certain other arthropods which lack jaws or mandibles are placed in a subphylum called

To which class do sea anemones belong? 

Which is a general characteristic of organisms belonging to the Animal Kingdom?

Which Phylum contains the simplest species of the Animal Kingdom?

In animals that display indeterminant development:

When one individual of an animal species possesses both male and female reproductive structures, and can produce both egg and sperm they are describes as:

Sponges are protected by _____________________________.

Protist locomotion is accomplished by the contraction of muscle fibers.