Plant and Animal Classification

a change in form from one stage to the next in the life history of an organism (ex. egg, larva (caterpillar), pupa (chrysalis), adult butterfly).

• complete metamorphosis

• partial metamorphosis

• transformation

• evolutionary change

an animal that has a hard-outer skeleton and jointed legs

• Mollusk

• Arthropod

• Annelid

• Echinoderm

an animal that has a backbone and lives in water when it is young and land when it is an adult

• Reptile

• Amphibian

• Mammal

• Fish

an animal that has a backbone and dry, leathery skin or scales; breathes air with lungs; lays eggs with leathery shells or sometimes gives birth to live young

• Mammal

• Bird

• Reptile

• Amphibian

an animal that has a backbone and fur or hair; breathes air with lungs; does not lay eggs; feeds milk to its young

• Reptile

• Bird

• Mammal

• Amphibian

an animal that has a backbone and fins; lives in water and breathes through gills

• Fish

• Amphibian

• Reptile

• Mammal

an early stage in the life cycle of an organism that will undergo a complete metamorphosis

• Pupa

• Larva

• Nymph

• Adult

an animal with a backbone, feathers, wings, and lightweight bones, breathes air, and lays eggs with a hard shell

• Mammal

• Reptile

• Bird

• Fish

the offspring of an insect that goes through incomplete metamorphosis; it generally appears much like the adult without going through a pupal stage.

• Nymph

• Larva

• Pupa

• Adult

type of insect development characterized by the similar appearance of pre-adults and adults.

• complete metamorphosis

• incomplete metamorphosis

• pupal stage

• larval stage