Get premium membership and access questions with answers, video lessons as well as revision papers.
a. Mesophytes
they grow in soils with enough water
water loss is perfectly balanced by absorption of more from the soil
no special adaptations
b. Xerophytes
they grow in dry conditions
root grow very deep to absorb water
succulent/?eshy leaves to store water
few stomata which are sunken
thickened waxy cuticle
leaves are hairy and often folding
some leaves are needle-like/spines or scales
leaf surfaces are reduced i.e. small leaves
all these adaptations are to reduce water loss
c. Hydrophytes
plants that grow in water
presence of sclereids
leaves are broad
leaves have many stomata on upper side only (none on the lower surface)
some leaves ?oat on water
absence or reduced leaf cuticle
large air spaces
some leaves are submerged
poorly developed or reduced vascular bundles
Mohaissack answered the question on October 4, 2017 at 13:58
- State the importance of transpiration to plants(Solved)
State the importance of transpiration to plants
Date posted: October 4, 2017. Answers (1)
- Name the sites through which transpiration takes place in a plant(Solved)
Name the sites through which transpiration takes place in a plant
Date posted: October 4, 2017. Answers (1)
- Name the transport structures of a flowering plant(Solved)
Name the transport structures of a flowering plant
Date posted: October 4, 2017. Answers (1)
- State the differences between the internal structure of a root and a stem.(Solved)
State the differences between the internal structure of a root and a stem.
Date posted: October 4, 2017. Answers (1)
- State the similarities and differences between a dicotyledonous and monocotyledonous root
(Solved)
State the similarities and differences between a dicotyledonous and monocotyledonous root
Date posted: October 4, 2017. Answers (1)
- Describe the structure and function of root hair(Solved)
Describe the structure and function of root hair
Date posted: October 4, 2017. Answers (1)
- Explain the necessity of transport in plants and animals(Solved)
Explain the necessity of transport in plants and animals
Date posted: October 4, 2017. Answers (1)
- Define the term species(Solved)
Define the term species
Date posted: October 4, 2017. Answers (1)
- How does a DNA molecule code for a protein. Describe the process completely.(Solved)
How does a DNA molecule code for a protein. Describe the process completely.
Date posted: October 4, 2017. Answers (1)
- Describe the process of DNA replication(Solved)
Describe the process of DNA replication
Date posted: October 4, 2017. Answers (1)
- Describe the structure of DNA.(Solved)
Describe the structure of DNA.
Date posted: October 4, 2017. Answers (1)
- Name the organ that detects a change in body temperature(Solved)
Name the organ that detects a change in body temperature
Date posted: September 30, 2017. Answers (1)
- What is Respiration?(Solved)
What is respiration?
Date posted: September 28, 2017. Answers (1)
- Describe the economic importance of (i) Fungi (ii) Bacteria(Solved)
Describe the economic importance of
(i) Fungi
(ii) Bacteria
Date posted: September 28, 2017. Answers (1)
- Name two causes of allergic reactions.(Solved)
Name two causes of allergic reactions.
Date posted: September 25, 2017. Answers (1)
- Give one function of Iron as an element in human body and deficiency disease caused?(Solved)
Give one function of Iron as an element in human body and deficiency disease caused?
Date posted: September 25, 2017. Answers (1)
- State two functions of bile salts produced by liver.(Solved)
State two functions of bile salts produced by liver.
Date posted: September 25, 2017. Answers (1)
- State two common reagents for testing for the presence of proteins in a food substance.(Solved)
State two common reagents for testing for the presence of proteins in a food substance.
Date posted: September 25, 2017. Answers (1)
- What is natural selection?(Solved)
What is natural selection?
Date posted: September 25, 2017. Answers (1)
- What is oxygen debt?(Solved)
What is oxygen debt?
Date posted: September 25, 2017. Answers (1)