● The trees continue to `color{violet}"increase in height or girth"` over a period of time.
● However, `color{violet}"the leaves, flowers and fruits"` of the same tree not only have `color{violet}"limited dimensions"` but also `color{violet}"appear and fall periodically"` and some time repeatedly.
● All plant organs are made up of a `color{violet}"variety of tissues"`; so there any relationship between the `color{violet}"structure of a cell,"` `color{violet}"a tissue, an organ"` and the function they perform.
● All `color{Brown}"cells"` of a plant are `color{violet}"descendents of the zygote"`.
● The question is, then, `color{violet}"why and how"` do they have different `color{violet}"structural and functional"` attributes.
● `color{Brown}"Development"` is the sum of two processes: `color{violet}"growth and differentiation"`.
● To begin with, it is `color{violet}"essential and sufficient"` to know that the development of a `color{violet}"mature plant"` from a zygote (`color{violet}"fertilised egg"`) follow a `color{violet}"precise and highly ordered"` succession of events.
● During this process a `color{violet}"complex body organisation"` is formed that produces `color{violet}"roots, leaves, branches"`, `color{violet}"flowers, fruits, and seeds,"` and eventually they die.
● There are some of the `color{violet}"factors which govern"` and `color{violet}"control"` these developmental processes.
● These factors are both `color{violet}"intrinsic (internal)"` and `color{violet}"extrinsic (external)"` to the plant.
● The trees continue to `color{violet}"increase in height or girth"` over a period of time.
● However, `color{violet}"the leaves, flowers and fruits"` of the same tree not only have `color{violet}"limited dimensions"` but also `color{violet}"appear and fall periodically"` and some time repeatedly.
● All plant organs are made up of a `color{violet}"variety of tissues"`; so there any relationship between the `color{violet}"structure of a cell,"` `color{violet}"a tissue, an organ"` and the function they perform.
● All `color{Brown}"cells"` of a plant are `color{violet}"descendents of the zygote"`.
● The question is, then, `color{violet}"why and how"` do they have different `color{violet}"structural and functional"` attributes.
● `color{Brown}"Development"` is the sum of two processes: `color{violet}"growth and differentiation"`.
● To begin with, it is `color{violet}"essential and sufficient"` to know that the development of a `color{violet}"mature plant"` from a zygote (`color{violet}"fertilised egg"`) follow a `color{violet}"precise and highly ordered"` succession of events.
● During this process a `color{violet}"complex body organisation"` is formed that produces `color{violet}"roots, leaves, branches"`, `color{violet}"flowers, fruits, and seeds,"` and eventually they die.
● There are some of the `color{violet}"factors which govern"` and `color{violet}"control"` these developmental processes.
● These factors are both `color{violet}"intrinsic (internal)"` and `color{violet}"extrinsic (external)"` to the plant.