What is the science that deals with the study of plants from various perspectives called?

Plants respond to which of the following external factors?

There are several ways of looking at living things. One way,which is at the molecular and analytical level with regard to life,could be described as:

$1 \text{ Å}$ is equal to .....

The properties of tissues are not present in the constituent cells but arise as a result of interactions among the constituent cells. This phenomenon is an example of:

The founder of 'Taxonomy' is: