Which of the following constitute a food chain? (i) Grass, wheat and mango (ii) Grass, goat and human

(d) The population of tiger decreases and the population of grass increases

(b) Grass, goat and human

Given M and L are total length and mass of the chain. M = 4 kg L = 2 m And let length and mass of part of chain hanging down are l and m...

(a) Grazing food chain and detritus food chain Grazing food chain Detritus food chain In this food chain, energy is derived from the Sun. In this food chain, energy comes from organic matter (or...

(i), (iii) and (iv)

Removal of lions from the above food chain will increase the number of deer to such an extent that they will eat up the whole grass. The density of producer...

grass -----> insects ----> frog ----> snake ----> eagle

(a) Weight of low quality of wheat in 150 kgs of wheat = 150 x 10/100 = 15 kg. Suppose that x kgs of good quality wheat is mixed. According to the...

(d) Biomagnification is the phenomenon of increasing concentration of compound in the tissue of organism, as the compound passes up a food chain, usually as a result of food intake....