Which of these fungi are not safe to eat?
yeast
toadstools
enoki
button mushrooms
Which of these can be a micro-organism?
mammals
plants
fungi
fish
What do viruses need to stay alive?
a host
oxygen
bacteria
water
Which micro-organism are considered "one-cell animals"?
protozoa
bacteria
algae
viruses
Which micro-organism makes a lot of the world's oxygen?
protozoans
fungi
algae
bacteria
Which organism do you need a microscope to see?
plants
insects
micro-organisms
animals
Which organism needs oxygen?
viruses
fungi
plants
bacteria
