Question 2:

Plants contain__________, a green pigment necessary for photosynthesis.

Question 3:

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

Question 4:

__________ are also called the leaf-shedding forest. As the seasons change in this ecosystem, so do the colours of the leaves. The leaves of some plants fall off during autumn and grow back in the spring.

Question 5:

 The __________ cover around 7% of the Earth’s surface and are home to half of the plant and animal species on Earth.

Question 6:

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

Question 7:

The kingdoms of life includes

Question 8:

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

Question 9:

The ________ is the largest coral reef and is located in Australia.

Question 10:

 Alpine ecosystems are found in the __________ areas across the globe