The energy enters the ecosystem through _____

The pyramid of ……….. In sea is always inverted.

The major reservoir of carbon on Earth is:

Now-a-days use of DDT as insecticide is banned because

The permanent removal of forests and woodlands is called ………. .

Abundance of phosphate, causing algal overgrowth, resulting in depleti...

Guano deposits are rich in ……… .

The pattern of ecosystem in which density and distribution of species ...

The overgrowth of algae due to phosphate can take up oxygen in water a...

An international treaty known as Montreal Protocol was signed to contr...

A fine powder of recycled modified plastic is known as

Detritivores break down detritus into smaller particles. This process ...

Ozone depletion is occurring widely in the strato-sphere, it leads to ...

The partially decomposed organic matter is formed by a process called ...

World environment day is

ENERGY FLOW

The process of formation of partially decomposed organic matter is cal...

In a food chain, the herbivores are represented by

Which of the following harmful radiation is absorbed by ozone layer of...

What is the percentage of photosynthetically active radiation (PAR), i...