Read the following statements and select the correct ones.
(i) Increase in mass and increase in number of individuals are twin characteristics of growth.
(ii) Metabolic reactions can be demonstrated outside the body in isolated cell-free systems.
(iii) 'Response to stimuli' is a defining property of living organisms.
In plants, cell division occurs _____ whereas in animals, it occurs _____.
A multicellular organism increases its mass by cell division. In plants growth continues throughout life as they have meristematic areas where cell divisions occur continuously. In animals, growth occurs to a certain age after which cells divide only to replace worn out and lost cells.
Which of the following organisms do not reproduce?
Which of the following groups consist of organisms which multiply by fragmentation?
The statement nothing lives forever, yet life continue illustrates the role of
Reproduction is the formation of new individuals of the similar kind — Life arises promote-existing life. Reproduction is not essential for survival of the individuals It is required for perpetuation of a population.