When an Ice Cap Moves South or Arid Conditions Push

question 74

Multiple Choice

When an ice cap moves south or arid conditions push across a continent,a plant species can "migrate" although not as fast as individual animals usually travel.Which of the following generally allows a plant population to migrate the fastest?

• A)pollination
• B)fertilization
• C)germination
• D)seed dispersal
• E)asexual or vegetative propagation

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Definitions:

Observations

Data collected or measured from a study or experiment regarding individuals, subjects, or phenomena.

Degrees of Freedom

The total number of individual values or figures that a statistical distribution can possess.

Interaction

In statistics and experiments, it refers to a situation where the effect of one variable on an outcome is modified by the level or presence of another variable.

Rate of Stepping

The frequency at which steps are taken, often measured to assess the intensity or speed of walking or running.