Name the association in which one species produces poionous substance or a change in environmental conditions that is harmful to another species.

One of the critical mechanisms by which environment controls the population of a species is

Which species of Penicillum produces Roquefort cheese?

The following graph represents the organismic response to certain environmental condition (e.g temperature) :Which one of these, 'a' or'b' depicts conformers.

Name one product which is produced in anaerobic respiraction but not in aerobic respiration?

Algae are known to reproduce asexually by variety of spores under different environmental conditions. Name these spores and the conditions under which they are produced.

The interaction where one species is benefitted and the other is neither benefitted nor harmed is called

Which one of the following is a pair of endangered species?

Name any two species of fungus, which are used In the production of the antibiotics.