Top Posters
Since Sunday
8
5
z
4
n
4
t
4
3
k
3
x
3
r
3
m
3
j
3
c
3
Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
New Topic  
sunjx sunjx
wrote...
Go to Answer
Posts: 298
Rep: 0 0
6 years ago
Which of the following best describes the mechanism that causes stomata to open?
A) Water accumulates below the opening and eventually causes the stoma to open.
B) A large bubble of oxygen accumulates below the stoma and eventually causes it to open.
C) Two guard cells flanking each stoma control its opening by changing shape.
D) The internal pressure of xylem sap expands the leaf, stretching the stoma open.
Read 129 times
2 Replies
Replies
Answer verified by a subject expert
RLFRLF
wrote...
#1
Posts: 186
Rep: 33 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free

Related Topics

sunjx Author
wrote...
#2
6 years ago
Thank you, thank you, thank you!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  874 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1281
  
 103
  
 236
Your Opinion
What's your favorite coffee beverage?
Votes: 303
Previous poll results: Who's your favorite biologist?