Vocabulary
prey
an animal that is caught and killed by another for food
herbivores
an animal that feeds on plants
Correct the following sentence.
It's important to think about colour when design a poster.
designing
Complete the sentence using the conjunction and -ing form of the verb in the bracket.
_______________ (Before; start) the experiment, you should wash your hands.
Before starting
Unit 5 title
Technology
livestock
farm animals
antibiotic
medicines that fight bacterial infections
past participle of be
been
We use conjunctions to join two ____________ .
clauses
People who have tetrachromatic vision can see approximately how many colours?
99 million
fatal
deadly
genetics
the study of genes and inherited characteristics
Use present or past simple passive to fill in the blanks.
Most people _______________ (vaccinate) in childhood.
are vaccinated
Use present perfect continuous of the verb in the bracket to complete the sentence.
They _______________ (play) a video game for two hours.
have been playing
Full form of DNA
Deoxyribonucleic acid
retina
layer inside your eye that detects light
eradicate
destroy completely; put an end to it
Use present perfect continuous of the verb in the bracket to complete the sentence.
Martin ______________ (go) to the club meetings for three weeks.
has been going
Use present or past simple passive to fill in the blanks.
Lots of research __________ (need) to develop vaccines.
is needed
When did Black Death occur?
1321-1353
inoculation
introducing bacteria or virus into humans or animals to boost immunity
pollinators
something, usually insects, that carry pollen from one plant to another
Fill in the blanks with the present perfect active or passive using the verb in the bracket.
Several different drugs ________________ (develop) to treat the disease.
have been developed
Fill in the blanks with the present perfect active or passive using the verb in the bracket.
Recently, robots ______________ (become) more specialised.
have become
Approximately how many elephants are there in Africa today?
400,000