The Data in This Graph Indicate

question 17

Multiple Choice

The data in this graph indicate

• A) there were fewer total tough seeds in 1976 than in 1977.
• B) plants that produced soft seeds in 1976 produced tougher seeds in 1977.
• C) available seeds were generally tougher in 1977 than in 1976.
• D) seed abundance in 1977 was severely reduced by finch feeding.

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Definitions:

Adrenal Glands

Endocrine glands located above the kidneys, responsible for producing hormones like adrenaline and cortisol, involved in stress response.

Nerve Network

A system of interconnected nerve cells (neurons) that work together to process and transmit information in the body.

Depolarization

A reduction of the difference in charge between the inside and outside of the cell membrane, typically in a neuron, leading to the generation of an action potential.

Selectively Permeable

Describes biological membranes that allow certain substances to pass through while blocking others, thereby controlling the exchange of materials.