Write two points of difference between:
1) Parallel venation and Reticulate venation.
2) Physical change and Chemical change.
Answers
Explanation:
Parallel Venation. Reticulate Venation. Meaning. When veins (or the nerves) are arranged parallel to one another all over the leaf blade or lamina is called as parallel venation. When veins (or the nerves) shows network or web-like arrangement all over the leaf blade or lamina, it is called as reticulate venationReticulate venation is one of the types of classifications of vein patterns that are typically found in leaves. Here, veins are interconnected to form a web-like network. It is one of the most common vein formations in leaves and can be found in the leaves of rose bushes, oak trees and maple trees. These veins transport water and food from the leaves throughout different plant parts.
There are two other classifications of vein patterns namely – dichotomous and parallel.
Dichotomous venation occurs very rarely compared to other classifications and has veins that branch off from one another whereas parallel venation is characterized by veins running parallel to one another. For instance, venation observed in grass and Lillies.
Difference between Reticulate and Parallel Venation
Reticulate venation Parallel venation
Definition
When the veins are arranged in either web-like or network-like all over the lamina, it is known as reticulate venation When the veins are arranged parallel to one another all over the lamina, it is known as parallel venation
Orientation
Network or web-like structure Parallel to one another
Found in
Dicot plants Monocot plants
Examples
Mango and hibiscus Banana and bamboo
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Answer:
if the veins of leaves are parallel then it is called as parallel venation. and in reticulate venation we can find web like venation.
b.physical change is temperory change and chemical change is permanent change