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Level 6

Unit 6


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alert
quick to see, understand and act in a particular situation
branch
one of the parts of a tree that grows out from the main trunk
clearing
an area in a wood or forest from which trees and bushes have been removed
crop
a grain, fruit, or vegetable that is grown in large amounts by farmers
debate
a serious discussion of a subject in which many people take part
endangered species
a type of animal that may soon not exist because there are very few alive now
exhaust fumes
the waste gas from a vehicle’s engine
go ahead
to go somewhere before the other people that you are walking or travelling with
ground
If aircraft are grounded, they are prevented from flying or ordered not to fly.
habitat
the natural environment in which an animal or plant usually lives
idly
without any particular purpose
in the wild
in natural conditions, independent of humans
keeper
a person who takes care of animals in a zoo
level
the height of something
litter
small pieces of rubbish that have been left lying on the ground in public places
machete
a large knife with a wide blade, used for cutting trees and plants or as a weapon
nature reserve
an area of land which is protected in order to keep safe the animals and plants
play a part
to help to achieve something
pollution
damage caused to water, air, etc. by harmful substances or waste
remote
describes an area, house or village that is a long way from any towns or cities
scramble
to move or climb quickly but with difficulty, often using your hands to help you
slip
to go somewhere or do something quickly, often so that you are not noticed
sniff
to smell something by taking air in through your nose
squat
to balance on the front part of your feet with your legs bent under your body
surface
the outer or top part or layer of something
threat
someone or something that is likely to cause harm or damage
wander
to walk around slowly in a relaxed way or without any clear purpose or direction
watchful
paying careful attention and ready to deal with problems