a piece of land with fruit trees such as apples or cherries
orchard
15
making something unclean, such as putting chemicals into lakes or rivers
contamination/contaminate
15
an area covered with grass and sometimes with wild flowers
meadow
15
an area where a particular animal or plant lives and feels the most at home
natural habitat
15
small mountains at the base of a much higher mountain
foothills
15
Did you see the news report? There’s a lion on the ________________. It escaped from the zoo!
loose
release
chain
15
It was so funny. Dad fell in the _____________ while he was trying to jump over it. He didn’t hurt himself though.
loose
ditch
built-up
15
Every living creature is a part of the food ________________.
ditch
eco-warrior
chain
15
My mother is a(n) ________________. She’s always doing her bit to help the environment.
built up
chain
eco-warrior
15
Surprisingly there is still a lot of wildlife living in the ________________ areas around the city.
ditch
loose
built-up
15
Unless big companies start using b___________ materials (substances that can be broken down naturally without harming the environment), it will be very difficult to reduce the amount of rubbish in our seas and rivers.
biodegradable
15
There is a t____________ (strong and growing fast) population of rhinos at the nature reserve, which is promising.
thriving
15
Unfortunately, humans have caused i____________ (impossible to be fixed) damage to many parts of the countryside here.
irreparable
15
The birds fly back to the same b____________ g____________ (an area where animals go to have babies) every year.
breeding ground(s)
15
Sadly, the only remaining examples of the species are all in c____________ (kept in a locked place, without freedom).