What Do All the Lophotrochozoa Phyla Discussed in the Text

question 30

Multiple Choice

What do all the Lophotrochozoa phyla discussed in the text have in common?

• A)They feed using lophophores,specialized ciliated structures.
• B)They have trochophore larvae,which swim with the aid of a ring of cilia.
• C)They have members that reproduce sexually and members that reproduce asexually.
• D)They grow by shedding an exoskeleton or cuticle.

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Definitions:

Price Elasticity

A measure of the responsiveness of the quantity demanded or supplied of a good to a change in its price.

Supply

The total quantity of a product or service that is available for purchase at a given price and time.

Elastic Supply

A situation where the quantity supplied of a good or service changes significantly when its price changes.

Normal Good

A good that has a positive income elasticity, so that as consumer income rises, demand for the good rises, too.