State two condition due to which tropical rainforests support a wide variety of plants and animals.

In which season did you find more variety of plants and animals?

State two conditions for the rusting of iron.

Name any two water pollutants which are toxic for plants and animals.

The tropical rainforest has a large population of animals. Explain why it is so.

Assertion: several nematodes parasitiese a wide variety of plants and animals including human being Reason: Ascariasis filariasis and taeniasis are some of the diseases caused by nematodes

Read the following environmental conditions of tropical rain forests. (i) Hot and humid climate (ii) Unequal lengths of day and night (iii) Abundant rain fall (iv) Abundant light and moisture Identify the conditions from the above list that are responsible for the presence of large number of plants and animals in tropical rain forests.