Amensalism is an association between two species where: a. one species is harmed and other is benefitted

Separation between them will increase. Initially the momentum of both of them are zero as they are at rest. In order to conserve the momentum the one who throws the...

(b) Primary and secondary markets complement each other. Primary market deals with the issue of new securities. That is, through the primary market a company raises capital directly from the borrowers....

The Glomus helps the plant in absorption of essential nutrients / phosphorus from the soil , and the plant in turn provide the fungus with energy yielding carbohydrate

(d) the pulses will pass through each other without any change in their shapes. EXPLANATION: The pulses travel individually without affecting each other. Simply the particle displacement is the sum of displacements...

It is simpler and faster mode of reproduction. Spores being small and light gets easily dispersed through wind, water, and animals.

The correct answer is (3)  Mycorrhizae is a symbiotic association between fungi and roots of higher plants.

(d) Mycorrhiza is a symbiotic association between a fungus and the roots of a vascular plant. Mycorrhiza takes carbohydrate from the plants. In return, the fungus helps the plant by...

(a) A keystone species is a species that play a critical role in maintaining the structure of an ecological community and whose impact in the community is greater than world...

(a) Statement 2 is not correct as the efforts are being taken. 3 is also not correct as the short term gain have resulted into long term degradation of other.

(c) the native species have not evolved with these organisms.