Find all the articles in the text in 2 and match them with the rules in the Focus box. Find examples of nouns which do not have an article.
Read the sentences from a lecture about biomimicry and look at the photos. How do you think scientists have used these animals to design new products?
a Mosquitoes survive on the blood of other animals. Part of the female mosquito’s mouth is used to pierce skin and suck blood.
b A dolphin can receive and recognize sound signals underwater from up to 25 kilometres away.
c The Stenocara beetle lives in the Namib Desert in Southern Africa, one of the driest areas in the world. It collects water from the air using its legs.
d Kingfishers like to sit on a perch by a river and search for fish. When they see a suitable prey, they dive silently into the water and return to the perch.