× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
m
2
New Topic  
king0079z king0079z
wrote...
14 years ago
Can you explain how XEROPHYTIC PLANT adept with its environment  ?
Read 621 times
1 Reply

Related Topics

Replies
wrote...
Educator
14 years ago
This is a type of plant that is adapted to living in a dry arid habitat; a desert plant.

Adaptations are made:

- to maximize water conservation
- to minimize water loss
- to provide more efficient gas exchange and movement

(i)   drought-escaping – alter life cycle to reduce impact of water stress  (compressed into wet periods)
(ii)  drought-evading – have structural features (i.e. extensive root system) to reduce / compensate          water loss
(iii)  drought-enduring – have anatomical adaptations to allow growth/survival under water stress

The adaptions are:

Morphology: blade reduced
Texture: Leathery
Cuticle: Thick
Epidermis: Thick-walled
Stomata: Sunken (so that wind will not increase transpiration)
Mesophyll: Compact
Water Storage: Present
Vascular Tissue: Abundant
Other Features: Leaves roll/fold

Roots of xerophytic plants (with low water availability) - are widely spreading and shallow for optimal water absorption from dry arid soils – where there is little sub-surface water available some are short tuberized
roots that lack root hairs some are succulent and act in water storage

– in parenchyma cells of ground tissue in root cortex

Enjoy!

Bio_man 8)


New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  390 People Browsing
Gallery
  
 664
  
 85
  
 423
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 365