Question

with suitable example highlight how temperature has an effect on sex determination in the animal world

Answer 1

this is so because sperms can live only in low temperatures and as they contain sex determination related information so when there is high temperature the sperms with specific information may die affecting sextual determination in animal world.

Answer 2

In animals sex determination is also controlled by environmental factors.for eg., In some reptiles the temperature at which the fertilized egg is incubated before hatching,plays a role in determining the sex of the offspring.
In turtle high incubation temperature lead to a female offspring. On the other hand ,in the case of lizard, high incubation temperature lead to a male offspring.