Search

Showing results for

Content type

Topics

Tags

Diagram of narwhal anatomy and tusk function
Photo

Narwhal Anatomy

View Image
The first known filter feeder is a large shrimp-like creature called Tamisiocaris borealis. The feather-like structures on its head were used to rake plankton from the sea.
Photo

The First Filter Feeder

View Image
A rendering of an underwater marine scene from the Cambrian Period, featuring an arthropod, annelids, and other animals.
Photo

Cambrian Period (542 – 488 Million Years Ago)

View Image
An Illustration of small tentacled fossils.
Photo

Ancient Entoproct Community

View Image
An amphipod within Arctic sea ice.
Photo

Amphipod Under Arctic Sea Ice

View Image
Extreme close-up of great white shark skin denticles.
Photo

Biomimicry Shark Denticles

View Image
Photograph of a transparent polka-dotted squid in the dark ocean.
Photo

Cockatoo Squid

View Image
Illustration of a four-legged proto-whale with webbed feet.
Photo

Early Whale with Webbed Feet

View Image
Color illustration of an ancient bivalve.
Photo

Elevator Rudists

View Image
Charles Darwin's first diagram of an evolutionary tree appears in his First Notebook on Transmutation of Species (1837).
Photo

Darwin’s Evolutionary Tree Diagram

View Image
The Galapagos Islands site in Ecuador was inscribed on the World Heritage List in 1978. Located in the equatorial Pacific Ocean nearly 1000 km from South America, the Galapagos Islands and the surrounding marine reserve are a unique "living museum and show
Photo

Sally Lightfood Crab, Galápagos Islands, Ecuador

View Image
Vertebrates evolved in the sea and eventually moved onto land. The ancestors of whales later returned to the sea.
Photo

Whales Returned to the Sea

View Image