The science of classifying all living things

The highest level of classifying

The next level of classifying after domain

(the second level)

Model that describes how energy in the form of food passes;

 series of organisms interrelated in their feeding habits, the smallest being fed upon by a larger one, which in turn feeds a still larger one, etc.

Organisms whose cells contain complex structures enclosed within membranes.

Almost all species of large organisms are eukaryotes, including animals, plants, and fungi, and most species of microorganisms.

Organisms that are consumers in food chains and obtain their lunch by eating other heterotrophs or autotrophs.

All animals are heterotrophs as are fung and lots of bacteria

Archaebacteria

Eubacteria

Protists

Fungi

Plants

Animals

Methanogens

Halophiles

Thermophiles

Psychrophiles