As a Seed Germinates,its Shoot Points Upward Toward Light,and Its

question 61

Multiple Choice

As a seed germinates,its shoot points upward toward light,and its root grows downward into the soil.Turn the plant sideways,and the stem and roots bend according to the new direction of gravity.How do roots and shoots respond to gravity?

• A)by the absorption of light by phytochromes
• B)through circadian rhythms
• C)through thigmotropism
• D)by sensing the photoperiod
• E)by the movement of statoliths within the cell

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Definitions:

Revolutionary War

The conflict between the Thirteen American colonies and British government that led to the independence of the United States, occurring from 1775 to 1783.

Concrete Step

A specific, actionable measure taken to achieve a particular goal or to implement a plan.

Financial Compensation

Payment provided to someone in exchange for an injury, loss, or the performance of a service or job.

Freedom Petitions

Arguments for liberty presented to New England’s courts and legislatures in the early 1770s by enslaved African-Americans.