Thùy Linh - Lesson 2

People have a r (a)   to protect the species on this planet.

Loss of species can disrupt the balance of the e (a)  

B (a)   is essential in the well-being of the planet.

Humans should be p (a)   over animals.

Species will become e (a)   It's part of life.

Drugs must be tested on animals for s (a)   effects and safety reasons.

Animals in an experiment have to s (a)   extreme pain.

Declining numbers are due to illegal hunting and p (a)  

E (a)   animal products are used in traditional medicines or the fashion industry.

Loss of habitat is caused by d (a)   and human habitation.