animal: Media
organism
Videos
Survival struggles in a meerkat colony
A dominant female meerkat expelling a subordinate from the pack.
Video: Contunico © ZDF Studios GmbH, Mainz
The major parts of an animal cell explained
From teeny-tiny ants to 200-ton whales, all members of the animal kingdom are composed...
Video: Encyclopædia Britannica, Inc.
Study a jellyfish's muscular contractions and learn how the carnivore uses its tentacles to catch prey
A jellyfish contracting its body.
Video: Encyclopædia Britannica, Inc.
Images
fallow deer (Dama dama)
The fallow deer (Dama dama) has been introduced in many areas ever since...
© WildMedia/Shutterstock.com
animal cell and plant cell
Cytoplasm is contained within cells in the space between the cell membrane and the...
Encyclopædia Britannica, Inc.
freshwater sponge (Spongilla)
Spongilla species are found in clean lake waters and slow streams.
Larry West—The National Audubon Society Collection/Photo Researchers
Gila monster (Heloderma suspectum)
The Gila monster (Heloderma suspectum) is one of two species of North American...
© Peter Finch—Stone/Getty Images
reef squid
A reef squid (Sepioteuthis) in the Andaman Sea. Its 10 arms are arranged...
Georgette Douwma/Nature Picture Library
African elephants
Herd of African elephants (Loxodonta africana oxyotis) and their calves...
© Photos.com/Jupiterimages Corporation
cells
Animal cells and plant cells contain membrane-bound organelles, including a distinct...
Encyclopædia Britannica, Inc.
Cenozoic migration routes
Principal Cenozoic faunal migration routes and barriers.
Encyclopædia Britannica, Inc.
major evolutionary events
The geologic time scale from 650 million years ago to the present, showing major...
Encyclopædia Britannica, Inc.
Tree of life illustrating the three-domain classification of life-forms
The tree of life according to the three-domain system of biological classification.
Encyclopædia Britannica, Inc.
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