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:

Statistical Hypothesis

An assumption or claim about the characteristics or parameters of a population, which can be tested using statistical methods.

Population Parameters

Numerical values that summarize data for an entire population, such as the mean or standard deviation.

Null Hypothesis

A hypothesis that assumes no significant difference or effect in a particular situation, serving as a default position until evidence suggests otherwise.

μ = 25

This symbol (mu) represents the mean of a population in statistics, here specifically indicating a population mean of 25.