Adaptations become less important.

Organisms become less diverse.

Physical appearance and habits of organisms change.

Genetic variation increases.

kingdoms, phyla, classes, orders, families, genera, species

phyla, classes, kingdoms, orders, families, species, genera

classes, orders, phyla, families, genera, kingdoms, species

kingdoms, phyla, classes, orders, species, genera, families

Cell walls made of cellulose

Autotrophic nutrition

Multicellular organization

No true nucleus

Musca domestica (housefly)

Sea otter

Fynbos

Acacia tree

Mitochondria

Ribosomes

Plasma membrane

Cell wall

Plantae

Protista

Mammalia 

Animalia

They must cover only general differences between organisms.

They must be related to the habitat of the organisms.

They must be mutually exclusive.

They must provide overlapping options.

Species found in zoos

Species that migrate regularly

Species found only in a particular region and nowhere else

Species that are extinct