B
An animal that hunts and preys on other animals.
Predator
An animal that is hunted and eaten by predators.
Prey
The process of adjusting to environmental conditions to improve survival.
Adaptation
An area defended by an animal or group of animals for feeding, breeding, or raising offspring.
Territory
A species that no longer has any living individuals.
Extinct
A state of inactivity and reduced metabolism in animals during the winter months.
Hibernation
Small, flat, overlapping plates that cover the skin of fish, reptiles, or certain mammals.
Scales
The variety of plant and animal species in a particular habitat or ecosystem.
Biodiversity
Tiny organisms that float in bodies of water, serving as a food source for many aquatic animals.
Plankton
The remains or traces of a plant or animal that lived in the past.
Fossil
A close and mutually beneficial relationship between different species.
Symbiosis
Animals that are active during the night.
Nocturnal
The period of time during which an animal develops inside the womb before birth.
Gestation
Bony outgrowths on the heads of male deer, elk, or moose, used for defense and display.
Antlers
Long, pointed teeth usually found in the mouth of certain mammals, such as elephants or walruses.
Tusks
A species that plays a critical role in maintaining the balance of an ecosystem.
Keystone Species