The properties of tissues are due to:

Two plants can be conclusively said to belong to the same species if they

Biology is the story of life on the earth. Justify the statement.

Which of the following is a form of manifestation of living organisms?

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:

Which of the following $statement(s)$ is/are correct?
$(i)$ All living organisms have the ability to respond to environmental stimuli which could be physical,chemical,or biological.
$(ii)$ Plants respond to external factors like light,water,temperature,other organisms,pollutants,etc.
$(iii)$ Photoperiod affects the process of reproduction.
$(iv)$ Human being is the only organism who has self-consciousness.