Read the definitions and write the words. 1 the complete set of genetic material of a human, animal, plant, or other living thing 2 the study of how, in all living things, the characteristics and qualities of parents are given to their children by their genes 3 the simplest unit of a chemical substance, usually a group of two or more atoms 4 an animal with no spine 5 the way in which genes change and produce permanent differences 6 the structure of a DNA molecule 7 exactly the same, or very similar
TASK 2. Past Simple and Past Perfect
fall
a) Harry___fell in love with a beautiful Greek girl while he was working inAthens.
b) At last there was silence from the back of the car. All the children__had fallen asleep.
feel
c) She told me that she__had felt sick with nerves before making that speech.
d) Tom _feltreally sorry for himself. Not only had his girlfriend gone off with his best friend, but he didn't get the promotion he wanted.
have
e) It was clear from the tense atmosphere that Susie and Gary_hadn't had yet another row.
f) We_had breakfast on the veranda every morning whilst we were staying inVenice.
tear
g) Camilla___tore his letter into tiny pieces and threw it onto the fire.
h) Johnny's mother asked him how he__had torn his trousers.