Characteristic Adaptations Are _____ Ways of Adapting to One's Environment

question 46

Multiple Choice

Characteristic adaptations are _____ ways of adapting to one's environment.

• A) situation-specific and changeable
• B) situation-specific and unchangeable
• C) unrelated to situation and changeable
• D) unrelated to situation and unchangeable

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Definitions:

Spinal Canal

The hollow space within the vertebrae through which the spinal cord passes.

Notochord

A notochord is a flexible, rod-shaped structure found in the embryos of all chordates. Notochords served as the first “backbones” in early chordates, and in extant vertebrates the embryonic notochord becomes part of the vertebral column.

Primitive Brain

An early stage in the evolution of the brain, characterized by basic structures that control fundamental life functions, seen in lower animals.

Turgor Pressure

The pressure of water inside plant cells against the cell wall, which contributes to the stiffness of plant tissues and is essential for plant stability and nutrient uptake.