"Pedology" is the study of

Which of the following pairs is correctly matched?

Which of the following statements correctly describes the contribution of the scientist Talsne?

Clay soil is typically found in which of the following locations?

Identify the correct option for the following statements:
$(i)$ It represents a group at different levels in classification.
$(ii)$ It is a meaningful event for organisms.
$(iii)$ Organisms strive to achieve this for the maximum utilization of nature.
$(iv)$ Morphogenesis occurs during this process.

Which of the following are unique features of living organisms?