Organisms and Populations Quiz 1

All ecosystems on the earth together form

What is the mean annual temperature in the region of Arctic and Alpine tundra ?

Important key elements that bring about variations in the different habitats are

Which out of the following is the most ecologically relevant factor?

Animals that can tolerate a narrow range of temperature are

Animals that can tolerate a narrow range of salinity are

What is the source of energy in the depths of more than 500 m in the oceans?

Which factor does not determine percolation and water holding capacity of the soil?

Which factors of soil does not determine the vegetation in any area?

Find the odd one out