Exercise 2

Fill in the blanks with the correct answer.


skin      rhinoceros      extinct      endangered      dinosaurs      logging


1. A species of animals become _____________ when all of the 
    species dies.
2. ____________ species are species of animals or plants that are 
    facing the threat of becoming extinct.
3. Illegal and excessive ___________ cause many species to 
    become extinct because their habitats are destroyed.
4. Tiger is hunted illegally by humans for its ___________.
5. ___________ and tapir are examples of endangered animals 
    species.
6. The dodo and ____________ are examples of extinct animals.