All eukaryotic lifeform (i.e. not bacteria or archaea) are grouped into four kingdoms: Plants, Animals, Fungi and Protists.
A plant is a truly multicellular organism with cell walls composed of cellulose. They are typically autotrophic, meaning that they produce their own food, in this case via photosyntheses.
An animal is a truly multicellular organism with no cell wall. They are heterotrophic, meaning that they cannot produce their own food and must seek nutrients from sources.
A fungus is a truly multicellular organism with cell walls composed of chitin. They are heterotrophic.
Protists are typically unicellular organisms, though occasionally they may lump together to form something that looks like a multicellular organisms, though unlike the others they will have no tissues. Depending on the protist, they may be heterotropic or autotrophic.
Insects are multicellular organisms. The cells of an insect do not possess a cell wall. Insects obtain their nutrients from other sources by eating. This satisfies the criteria to be classified as animals.
Because plants can not move, but birds and insects can. Plants and animals are different in many ways.
70% of animals are anthropods
Mammals ? or do you mean like creatures, Insects, reptiles...
No, butterflies are not classified as reptiles. Butterflies are insects.
Tapirs probably do eat some insects because they are grazing animals. They actually eat mostly plants and are classified as herbivores.
All insects are animals. Insecta is a class under the kingdom Animalia. Butterflies are insects, thus they are also animals.
Animalia.
Aristotle classified the animals he studied by 2 ways: Biology Zoology
Vertebrates are animals with a backbone (a.k.a a spine) we are vertebrates and so are the rest of the mammal kingdom. Invertebrates are animals without a backbone like crustacean (Crabs) and Arachne and insects.
Insects
Grasshoppers can be classified into the insects group.
Insects are animals.
insects, of course!