The maintenance of a constant internal environment despite changes in the external environment is known as.....

An attribute found in plants but not animals is

Why are living organisms classified?

Statement $A$: The number of individuals of each species remains limited due to death.
Reason $R$: Due to death,the materials forming the body of living organisms return to the environment.
Which option is correct for Statement $A$ and Reason $R$?

Which of the following $statement(s)$ is/are correct?

Which of the following characteristics is $NOT$ observed in all living organisms?