Two Important Roles of Keystone Species Are Pollination and Predation

question 103

True/False

Two important roles of keystone species are pollination and predation.

Differentiate between positive and negative correlations.

Apply critical values for decision making in hypothesis testing with correlation analyses.

Recognize the Spearman rank-order correlation as a measure for ordinal data.

Distinguish between correlational statistics and correlational research.

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Definitions:

Secondary Palate

Roof of the mouth in the early embryo that gives rise to the hard and the soft palates.

Cleft Palate

Failure of the embryonic palate to fuse along the midline, resulting in an opening through the roof of the mouth.

Central Nervous System

The complex network of neurons and supporting cells that includes the brain and spinal cord, vital for controlling body functions.

Ectoderm

The outermost layer of cells in the early embryo, giving rise to the nervous system and skin.