A group of 14 stink bug eggs attached to the underside of a poplar leaf.
Many animals have a third eyelid called a nictitating membrane that protects the eye.
The young starlet sea anemone forms tentacles by cell division, migration, and shape changes.
... but that's not all they'll do. Several genes determine the diverse shapes and functions of crustacean appendages.
Female peacock spiders stay with their young in an egg sac until they can fend for themselves.
Chromosomes change form as a cell divides to ensure that each daughter cell gets a full, intact copy of the genome.
The male peacock spider performs a spectacular dance to attract a mate—but the female is not always impressed.