English Exercises > environment exercises

Who and Which




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1. Complete the descriptions with words from the box.

����������� �� fins��� fur �� mammal �� offspring �� predator �� prey �� shell �� shelter

A. Coral reefs,which are important for millions of sea animals,are popular among
� �� divers.

B. Flying fish,which can jump 30 to 50 meters above the surface of the water,use their
� �� unusually large�.

C. Sea otters,which wrap themselves in seaweeds so they don't float away while they sleep,
� �� have the thickest� of all animals.

D. The hermit crab,which eats fish and seaweed,lives in a�.

E. The dugong,which is also known as sea cow,is a gentle,plant-eating .

F. The albatross,which spends most of its time in the air and water,catches its under
���� water.

G. A baby leatherback turtle, which is in danger of being eaten by a before it even reaches the ocean, hatches on the beach.

H. A male emperor penguin, who hatches the couple's , takes care of the egg all winter.

2. Combine the sentences. Use who or which.

A. Saltwater crocodiles are�also known as estuarine or Indo-Pacific crocodile. They are the�largest of all living reptiles.
.
B. The manatees are the only plant-eating marine mammals of modern times. They are found in the Amazon basin.
.
C. Jacques-Yves Cousteau studied the sea and all forms of life in water. He was an ecologist.
.
D. A tour guide showed us the Meeting of the Waters. He took us on a boat trip.
.
E. The Amazon River enters the Atlantic Ocean. It's the largest river in the world.
.


3. Look at these pictures. Then complete the sentences with who or which.Use words from the boxes. Put the verbs in the past tense or passive voice.

����������������������������������������� e.g. That's the man who shot the elephant.


����������������������������������������� attack � �� ask for ���� bite����� fall off����� play����� rescue

����������������������������������������
��������������������������������������������� � � � � �� dog � �� horse����� rescue squad����� tourists

� � � � � � � � � � � � � � � � ����� a. ������ b. ���� c. �����

���������������������� d. ������ e.�


A. That's the guy .

B. That's the man�.

C. That's the bather .

D. That's the dog .

E. That's the dolphin .
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4. Watch this documentary and check the correct option.
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1.�Coral Reefs are in danger due to the...
2. Which market does the majority of reef fish go to?
3. How many tons of reef fish is traded every year?
4. What is the doctor's concern?