Question 2:

 Near the __________, we find the cold deserts.

Question 3:

 ________ share similar features with the desert ecosystem.

Question 4:

_______ is the largest of the hot deserts.

Question 5:

 Near the ___________, one would find most of the hot and dry deserts.

Question 6:

_______ turn their heads almost 360 degrees, but they cannot move their eyes.

Question 7:

________ around the globe can be classified into hot and dry, semiarid, coastal, and cold.

Question 8:

Invertebrates are animals without backbone such as sponges, annelids, echinoderms, molluscs and _________. 

Question 9:

_________ is the largest terrestrial ecosystem on earth. It experiences short, and wet summers, while long, and cold winters.

Question 10:

__________ is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world.