Are humans the only animals that are intelligent?

3. The level of possibility of something happening or being true.
4. By the age of two a child will have a __________ of about two hundred words.
9. The way in which two or more things which you are comparing are not the same.
11. Synonym of creature.
12. 25, 300, and a billion are all ___________.
13. Information, especially facts or numbers, collected to be examined and considered and used to help decision-making, or information in an electronic form that can be stored and used by a computer.
14. We can predict changes with a surprising degree of ___________
16. A system of communication consisting of sounds, words, and grammar.
18. Our television has a 19-inch _________.
19. A sign, shape, or object that is used to represent something else.

1. There's very little ____________ between mother and daughter (= they do not have a good relationship).
2. With so many areas of woodland being cut down, a lot of wildlife is losing its natural __________ .
5. A single unit of language that has meaning and can be spoken or written.
6. A collection of numerical facts or measurements, as about people, business conditions, or weather.
7. Something given in exchange for good behaviour or good work, etc.
8. Being, relating to, or belonging to a person or to people as opposed to animals.
10. To be able to learn and understand things easily.
15. A useful or valuable possession or quality of a country, organization, or person.
17. A set of letters arranged in a fixed order, used for writing a language.