You Observe a Sunflower That Moves Its Leaves So That

question 52

Multiple Choice

You observe a sunflower that moves its leaves so that it tracks the sun across the sky through the day, and a sensitive plant that reversibly folds up its leaflets when you touch it. These are both examples of ____.

• A) phototropism
• B) thigmotropism
• C) stress responses
• D) circadian rhythms
• E) nastic movements

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Definitions:

Silent Letter

A letter that is present in the spelling of a word but not pronounced when the word is spoken.

Initialism

A type of acronym formed from the initial letters of a phrase, where each letter is pronounced separately, such as FBI.

Combining Form

A form of a word that combines with another form to create a new word or term, often used in medical terminology.

Suffix

An affix that is added to the end of a word to change its meaning or function.