asked 140k views
3 votes
Certain flowers will open for twelve hours and then close. Which stimulus do the flowers respond to when they open and then when they close for that time period?

a.light levels

b.moon phases

c.seasonal temperatures

d.carbon dioxide levels

asked
User Maturano
by
7.8k points

2 Answers

3 votes
A light levels I did this before
answered
User Jfoucher
by
8.5k points
4 votes

Answer:

A. Light Levels

Step-by-step explanation:

answered
User Felixo
by
8.3k points
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