Oak Leaves
 
Neuron
 
hiv virus
Oak leaves  A neuron, showing dendrites and cell body at left, axon and axon terminals at right  T2 Bacterial Virus

Brittle Star
 
Hummingbirds
 
Eyes
A brittle star, member of the phylum Echinodermata  Hummingbirds Octopus eye (left), human eye (right), showing convergent evolution
Salamanders
 
Life Cycle of Mold
 
Antibody
Geckos  Life cycle of the slime mold stages, Dictyostelium  Antibody molecule

Chromosomes
 
Rats
 
Anthropods
Mitotic Metaphase
 Kangaroo Rats 

Arthropods/
Annelids

Echinoderm
 
Chimpanzee hands
 
Finches
Sea Urchin Larva
 Chimp/Human Hands
  Darwin's finches, with different beak morphologies found on different islands in the Galapagos chain