vocab unit 1

2. Humans and animals may have a different understanding of time, place and events.

The ranking and pecking order in the animal world actually exists in the human world, too.

3. The research results have made people aware of the dangers waiting for them.

The roaring of the lion is not arbitrary.

With the latest improvements in technology spreading information on internet has become much easier.

1. Sally and Sian are working together on the same science project about animal communication.

6. The studies on geladas helped scientists develop new interests and ideas.

7. Male elephants often show strong, long lasting associations with other