Definition that contains life form
- bug a minute life form (especially a disease-causing bacterium); the term is not in technical use
- germ a minute life form (especially a disease-causing bacterium); the term is not in technical use
- microbe a minute life form (especially a disease-causing bacterium); the term is not in technical use
- archeobacteria considered ancient life forms that evolved separately from bacteria and blue-green algae
- archaebacteria considered ancient life forms that evolved separately from bacteria and blue-green algae
- eucaryote an organism with cells characteristic of all life forms except primitive microorganisms such as bacteria; i.e. an organism with `good' or membrane-bound nuclei in its cells
- archaebacterium considered ancient life forms that evolved separately from bacteria and blue-green algae
- eukaryote an organism with cells characteristic of all life forms except primitive microorganisms such as bacteria; i.e. an organism with `good' or membrane-bound nuclei in its cells
- archaeobacteria considered ancient life forms that evolved separately from bacteria and blue-green algae