« previous next »

Author Question: Plants do not have a circulatory system like that of some animals. If a water mo (Read 607 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Aug 13, 2013
Plants do not have a circulatory system like that of some animals. If a water molecule did "circulate" (that is, go from one point in a plant to another and back in the same day), it would require the activity of
A) only the xylem.
B) only the phloem.
C) only the endodermis.
D) both the xylem and the endodermis.
E) both the xylem and the phloem.


curlz

  • Hero Member
  • *****
  • Posts: 538
Reply #1 on: Aug 30, 2013
Pick E, i got it right :P


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Examples of animals with external gills. Examples of animals with external gills.
A Controlled Cross between Two Plants A Controlled Cross between Two Plants
reproduction in plants reproduction in plants
The Importance of Water The Importance of Water
Male Reproductive System الجهاز التناسلي الذكري Male Reproductive System الجهاز التناسلي الذكري
Integumentary system & Skeletal system Integumentary system & Skeletal system
Video: Major Elements in Biological Molecules: Carbohydrates

For a complete list of videos, visit our video library