animals
an animal that feeds its babies on milk from its body
mammal
the line of bones down the centre of your back
backbone
it does not now exist
extinct
temperatures below zero degrees
sub-zero temperature
the combination of exhaust and non-exhaust emissions produced by gasoline and diesel
vehicle emissions
an animal whose body is covered with scales and whose blood changes temperature (e.g. a snake)
reptile
one of the sharp, curved nails on the feet of some animals and birds
claws
found in the sea, or relating to the sea
marine
gale-force winds
rainfall made by atmospheric pollution, it causes environmental harm, chiefly to forests and lakes
acid rain
any of various types of animal that live in water and have a hard outer shell
crustaceans
the hard part of a bird's mouth
beak
active at night
extremely hot (2 words)
the accelerated removal of topsoil from the land surface through water and wind
soil erosion
a member of the group of animals that includes monkeys and people, which have large brains and hands and feet developed for climbing
primate
a thin, triangular part on a fish, which helps it to swim
fin
covered in slime
slimy
an extreme weather condition with very strong wind, heavy rain, and often thunder
freak weather
insufficient freshwater resources
water scarcity
an animal with no spine (= bones in the back)
invertebrate
the structure made of all the bones in the body of a person or animal
skeleton
the only person or thing in a place.
solitary
to increase or go up quickly to a high level: temperatures/prices
soar (soaring temperatures)
a process that occurs when gases in Earth's atmosphere trap the Sun's heat.
greenhouse effect