something that can cause sickness or death
crucial
Germs
They are all around us, they can cause illnesses
very dirty
slimy
Pest
An animal or insect that bothers people and other animals, or ruins food
Poisonous
aggressive
It describes everything that exists in a particular environment
what a wasp will do if attacked.
Sting
filthy
It means absolutely necessary
It describes a snail or a fish
Ecosystem
Disgusting
very unpleasant
It describes an animal that might attack you