_______________ affects the position of our neck and spine and causes back pains or even headaches.

• Scratching

• catching

• Touching

• Slouching

عالم مختص في مجال الوراثة والجينات

_________________

• Geologist

• Psychologist

• Biogeneticist

• Gastroenterologist

The invention of cooking allowed our ancestors to expand their diet and to obtain more ___________ and nutrients from their food.

• candies

• calories

• fires

• teeth

__________________ is the food which is genetically modified.

• super food

• fast food

• junk food

• organic food

Hagfish are often called _________________ because of the slimy substance they produce.

• predatory

• whales

• slime eels

• snakes

Research findings support the belief that a number of animals laugh when ______________!

• killed

• pickled

• tackled

• tickled

My falcons are _______________ for, so I won’t have to look around for buyers.

• spoken

• taken

• given

• stolen

Falcon hunting is a _______________ profession.

• useless

• profitable

• broke

• poor

اعادة هندسة المحاصيل جينيا

___________________ crops

• re-engineering

• recycling

• re-establishing

• revising

Falconers ____________ in the desert and they don't stay in ___________

• claim - motels

• clap - the air

• stamp - tents

• camp - hotels