1) What percentage of the Earth is ocean? a) 71% b) 72% c) 73% 2) David discovered... a) Some cool animals who could see in dark b) Some sea animals that could see colours in the water that we cannot c) many thousands of animals 3) He designed....  a) an underwater sea vehicle b) a camera that can see colours just as a fish does c) an underwater treasure 4) David found... a) electric fish b) many types of fish that glow c) a special kind of shark that glows in the dark 5) Why does David think the sharks have patterns? a) to find the strongest one to fight b) To recognise each other and attract each other 6) The unusual vampire squid.... a) has very large teeth b) can turn itself on or off just like a lamp c) can sleep all day 7) It also has... a) very big eyes to see in the dark b) very big teeth to eat smaller squid 8) ninety percent of the animals who live at the bottom of the ocean... a) produce their own light b) have big teeth c) have long fins 9) David thinks the darkness of the sea... a) is very dangerous b) is an underground disco party! c) is scary

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