Living organisms
Living organisms carry out the three vital functions of:
Reproduction: They reproduce (have babies)
Interaction: They react to their environment
Nutrition: The feed (eat and drink)
Animals Plants People
Animals
Vertebrates: animals with backbones
Invertebrates: animals without backbones
Animals vertebrates:
Mammals Birds Fish Amphibians Reptiles
Characteristics of mammals
Are vertebrates.
Are viviparous: Born from their mother´s belly
Feed on milk from their mother.
Are usually covered in hair or fur.
Breathe with lungs.
Can be domestic or wild.
Can be carnivores (feed on meat), herbivores (feed on plants) or omnivores (feed
on meat and plants).
Characteristics of birds
Are vertebrates.
Are oviparous, because they come from eggs.
Are covered in feathers.
Breathe with lungs.
Can be domestic or wild.
Can be carnivores , herbivores or omnivores.
Characteristics of fish
Are vertebrates.
Are oviparous, because they come from eggs.
Are covered in scales.
Have fins.
Breathe through gills.
Live in salt water (in the sea and ocean)
or fresh water (in rivers and lakes).
Can be carnivores , herbivores or omnivores.
