In Examining an Unknown Animal Species During Its Embryonic Development

question 59

Multiple Choice

In examining an unknown animal species during its embryonic development, how can you be sure what you are looking at is a protostome and not a deuterostome?

• A) There is evidence of cephalization.
• B) The animal is triploblastic.
• C) The animal is clearly bilaterally symmetrical.
• D) You see a mouth, but not an anus.

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Definitions:

Simplest Form

The most reduced version of a mathematical expression, with no common factors or reducible elements.

Multiplying Fractions

The mathematical process of finding the product of two fractions by multiplying their numerators and denominators separately.

Simplest Form

A term used to describe a fraction when both the numerator and denominator are reduced to their smallest possible integers while still maintaining the same value.

Multiplication Problem

A mathematical question or statement that involves finding the product of two or more numbers or expressions.