an area where a particular animal or plant lives and feels the most at home

The birds fly back to the same b____________ g____________ (an area where animals go to have babies) every year.

It was so funny. Dad fell in the _____________ while he was trying to jump over it. He didn’t hurt himself though.

small mountains at the base of a much higher mountain

Surprisingly there is still a lot of wildlife living in the ________________ areas around the city.

a piece of land with fruit trees such as apples or cherries

Unfortunately, humans have caused i____________ (impossible to be fixed) damage to many parts of the countryside here.

My mother is a(n) ________________. She’s always doing her bit to help the environment.

making something unclean, such as putting chemicals into lakes or rivers

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.

There is a t____________ (strong and growing fast) population of rhinos at the nature reserve, which is promising.

Sadly, the only remaining examples of the species are all in c____________ (kept in a locked place, without freedom).