Defferentiate between the following Crustose lichen stage and foliose lichen stage of xerosere.

Defferentiate between the following Regulating services and supporting service of ecosystem

Write the note on the following . Among bryophytes, lichens and fern, which one is a pioneer species in a xeric succession and why?

Distinguish between lichen and fungi.

In which of the following embryonic stages does the implantation take place ?

Which of the following events takes place during diplotene stage of prophase-I of meiosis?

Correct sequence of stages of succession of a lithosere is: 1) Foliose lichens rarr Crustose lichens rarr Mosses rarr Annual grasses rarr Perennial grasses rarr Shrubs rarr Trees. 2) Crustose lichens rarr Foliose lichens rarr Mosses rarr Perennial grasses rarr Annual grasses rarr Annula grasses rarr Shrusb rarr Trees 3) Reed swamp stage rarr Sedges rarr Floating plants rarr Submerged plants 4) Sedges rarr Reed swamp stage rarr Floating plants rarr Submerged plants

In lithosere, foliose lichens make the conditions favourable for the growth of

Which of the following was the transitional stage between apes and human: