Animals with Thin Cuticles Are Generally Restricted to Moist Habitats

question 123

Multiple Choice

Animals with thin cuticles are generally restricted to moist habitats because

• A) a thin cuticle allows water to be lost across the body surface.
• B) there are fewer predators in these types of habitats.
• C) these animals rely on flowing water to bring them food.
• D) an animal moving through a moist habitat encounters less friction.
• E) moist habitats increase efficiency of the lophophore.

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Definitions:

Directional

In statistics, directional indicates that a hypothesis specifies the direction of an expected difference or relationship.

Alternative Hypothesis

In statistical testing, the hypothesis that proposes there is a statistically significant relationship or difference between two variables, as opposed to the null hypothesis.

Standard Deviations

A measure that quantifies the amount of variation or dispersion of a set of data values from the mean.

Standard Error

The standard deviation of the sample mean distribution, often used to estimate the accuracy of the sample mean compared to the population mean.