The Teacher and Class Were Especially Saddened When the Colonial

question 1

Multiple Choice

The teacher and class were especially saddened when the colonial hydrozoan died. They had watched it carefully, and the unfortunate creature never even got to produce offspring by budding. Yet, everyone was elated when Tommy (now recovered) noticed a small colonial hydrozoan growing in a part of the tank far from the location of the original colony. The teacher was apparently unaware that these hydrozoans exhibit

• A) spontaneous generation.
• B) abiogenesis.
• C) alternation of generations.
• D) ecdysis.
• E) a medusa stage.

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Definitions:

Simple Linear Regression

A statistical method used to model the relationship between a single independent variable and a dependent variable by fitting a linear equation to observed data.

Normally Distributed

A statistical distribution that is symmetrical about the mean, where most observations cluster around the central peak and the probabilities for values further away from the mean taper off equally in both directions.

Parameters

In statistics, parameters are numerical characteristics of a population, such as its mean or standard deviation.

Independent

In a statistical context, refers to variables or events that are not influenced by other variables in a study; their occurrence does not depend on another.