The most common organisms include jellyfish, viperfish, tube worms and sea cucumbers.

These organisms can include natural predators or parasites of the pests.

Uricotelic organisms include terrestrial arthropods (including insects), lizards, snakes, and birds.

The largest prehistoric organisms include both vertebrate and invertebrate species.

The causative organisms of the cutaneous disease, and the affected animals include:

These organisms include earthworms, nematodes, protozoa, fungi, bacteria and different arthropods.

Photosynthesizing organisms include the plant life of the land areas as well as the phytoplankton of the oceans.

Very early organisms which have been compared to molluscs include Kimberella and Odontogriphus.

These atypical organisms include special bacteria, viruses, fungi, and protozoa.

These organisms include microscopic plants and animals, as well as bacteria, fungi and viruses.