Which of the Following Statements About Deuterostomes Is True

question 5

Multiple Choice

Which of the following statements about deuterostomes is true?

• A)The opening that forms during deuterostome gastrulation becomes the mouth.
• B)The opening that forms during deuterostome gastrulation becomes the anus.
• C)Deuterostomes lack true tissues.
• D)Deuterostomes have only two tissue layers.

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Definitions:

Opportunity Cost

The act of losing potential gains available through other choices upon selecting one option.

Rancher

A person who owns or manages a ranch, where livestock such as cattle or sheep are raised for meat or wool.

Production Possibilities

A curve depicting all maximum output possibilities for two goods, given a set of inputs consisting of resources and other factors.

Opportunity Cost

Forgoing possible gains from alternative paths when one path is chosen.