All living things can be put into _____ main groups.
three
two
one
__________ cannot produce their own food.
Plants
Micro-organisms
Animals
__________ produce their own food.
Plants
Micro-organisms
Animals
__________ are very small.
Plants
Animals
Micro-organisms
___________ have body hair or fur.
Amphibians
Mammals
Birds
Amphibians have _____________
damp skin
fur
feathers
___________ have dry scales.
Mammals
Birds
Reptiles
Body temperature changes with the environment.
Fish
Birds
Mammals
Body temperature steady.
Birds
Reptiles
Amphibians
___________ is an invertebrate.
Worms
Fish
Horse
___________ is an invertebrate.
Horse
Fish
Worms
____________ is a vertebrate.
Sloth
Spiders
Insects
