Select the correct pair from the following.

Which of the following is an example of a microorganism?

Artificial system of classification was given by $A$ and based on $B$. Fill in the blanks with respect to $A$ and $B$. Choose the correct option.

Plants are autotrophic. Can you think of some plants that are partially heterotrophic?

Select true statements from the followings $:-$
$(i)$ Aristotle used morphological characters to classify plants.
$(ii)$ Two kingdom classification was proposed by Linnaeus.
$(iii)$ Whittaker used Habitat information in his five kingdom classification.
$(iv)$ Archaebacteria can live under extreme conditions.

In what respects do algae and fungi differ?