Question 2:

Vertebrates are animals with backbones such as mammals, birds, fish, amphibians and ________.

Question 3:

A group of ants is called

Question 4:

_________ is the coldest of all the ecosystems. It covers about one fifth of the land on earth.

Question 5:

A ________ can eat only when its head is upside down.

Question 6:

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

Question 7:

The three types of coral reefs are fringing reefs, barrier reefs, and _________

Question 8:

The kingdoms of life includes

Question 9:

 ________ share similar features with the desert ecosystem.

Question 10:

 About 1/4 of natural medicines have been discovered in ____________.