How do you distinguish the following ?
(a) Ecotones and edge effect
(b) Keystone species and critical link species
(c) Ectoparasite and Endoparasite

How will you distinguish between the following pairs of term? b) Crystal lattice and unit cell.

How do you account for the following: Medicines are more effective in their colloidal form.

In '' rivet - popper hypothesis '' , the wing rivets are compared with (a) dominant species (b) critical link species (c) rare species (d) key stone species

Presence of keystone species and link species of plants are essential for the existence of diversity of organisms .Justify the following statements based on this. a. Fig tree is a keystone species of plant community. b. Mycorrhizal fungi in soil as a link species.

How do you protect the endangered species?

Which of the following is correct regarding species diversity ? (Here A, B, C, D, E and F are bird species)

What do you understand by (a) inert pair effect (b) allotropy and (c) catenation?