Earth’s magnetic field is detected by species across the animal kingdom, but new research suggests that sea turtles may be ...

Symbiotic relationships are when two animals of different species live in close contact ... Glass sponges live in the deepest parts of the ocean and build intricate skeletons made of silica.

The two most prominent types of plankton in the ocean are zooplankton, which are tiny animal organisms, and phytoplankton, which are plantlike. (Other forms of plankton include bacterial and fungal.