problem 1) Describe the following :

a) Stratosphere.

b) Precipitation.

c) Mutualism.

d) Demography.

e) Biosphere.

f) Tundra.

g) Benthos.

h) Homeothermic.

i) Mesozoic era.

j) Deletion.

k) Isolation.

l) Micro evolution.

m) Darwin’s finches.

n) Batesican mimicry.

o) Australopithecus

problem 2)(a) describe the formation of soil.

(b) prepare the account on Shlfords’ law of tolerance.

problem 3)(a) describe the energy flow in an ecosystem.

(b) Distinguish food chain and food web.

problem 4)(a) Describe fossorial adaptation.

(b) describe cusorial adaptation.

problem 5)(a) describe Alfred Russel Wallace concept of evolution.

(b) What is macro evolution? Describe with exs.

problem 6)(a) Describe cryptic odoration in detail.

(b) prepare the account on evolution of primates.

problem 7) describe water as a limiting factor.

problem 8) describe the structure and functions of a lake ecosystem.

problem 9) Describe flight adaptation of a bird.

problem 10) Describe Lamarck’s concept of evolution.

problem 11) prepare the essay on genes in population.