Some people say that the main environmental problem of our time is the loss of particular species of plants and animals. Others say that there are more important environmental problems. Discuss both these views and give your own opinion.

certain plant and animal species 

extinction 

to become extinct 

to die out 

to cease to exist

environmental issues we confront today 

environmental challenges we face today

rising global temperatures

tear down

causal relationship

an imbalanced ecosystem

to keep the ecosystem in balance

to upset /disrupt the balance of the ecosystem

primary predator

to prey on

giraffes

take the highest priority

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