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Animals form the largest of the natural world's five kingdoms, with nearly 2 million different animal species having been recorded and new animals are still constantly being discovered. Animals are the most varied living things on the planet and you would think so after having evolved and adapted to their surroundings for more than a billion years. Different levels of animals from prey to predators, and from those animals that live on the sea bed to those animals that rule the skies, all make up the animal kingdom.

Despite the fact that the evolution of animals came after the evolution of other living species, animals are now the dominant form of life on Earth. Two main reasons why animals have taken over, are the fact that animals can move, and that animals are successfully able to adapt to changing environments in order to continue surviving successfully.

Throughout this section, we look into what sets animals apart from other living organisms and from one another. We will also look at their behaviour including how they communicate and interact with others; their anatomy including skeletons, senses and movement; the habitats in which they live; and the conservation that is being done around the world to try and protect them.


Age of Fledgling

Age Of Independence

Age Of Sexual Maturity

Anatomy

Antenna

Antler

Arthropod

Asexual Reproduction

Average Clutch Size

Average Lifespan

Average Litter Size

Average Spawn Size

Average Weight

Baleen

Behaviour

Binocular Vision

Biome

Bipedal

Breaching

Brood Parasite

Camouflage

Canine Tooth

Carnassial Tooth

Carnivore

Cellulose

Chelicera

Chordate

Chrysalis

Classification of Animals: The Complete Guide

Cloven-hoofed

Cocoon

Common Name

Conservation

Conservation Status

Delayed Implantation

Deposit Feeder

Dewlap

Diet

Digit

Domesticated

Dorsal Fin

Echinoderm

Echolocation

Ecological Niche

Ecosystem

Ectoparasite

Embryo

Estimated Population Size

Evolution

Exoskeleton

Favorite Food

Femur

Fertilization

Fish

Flight Feathers

Flipper

Food Chain: 1. Primary Producer

Food Chain: 2. Primary Consumer

Food Chain: 4. Tertiary Consumer

Food Chain: 5. Quaternary Consumer

Gestation Period

Gill

Glossary

Grazing

Habitats

Hermaphrodite

Home Range

Horn

Host

Incubation Period

Insect

Insectivore

Internal Fertilization

Introduced Species

Keel

Keratin

Kingdom

Larva

Life Cycles

Lifestyle

Litter Size

Location

Melon

Metabolic Rate

Metabolism

Metacarpal

Metamorphosis

Metatarsal

Migration

Mimicry

Mollusk

Molt

Name Of Young

Natural Environment

Natural Selection

New World

New World Monkeys

Nocturnal

Number of Species

Old World

Omnivore

Opposable

Order

Organism

Oviparous

Palm Oil

Parasite

Partial Migrant

Pectoral Fins and What They Are Used For

Pheromone

Photosynthesis

Phylum

Pinna

Placenta

Plant Types

Predators

Prehensile

Prey

Proboscis

Pupa

Quadrupedal

Reproduction

Reptile

Respiratory System

Ruminant

Saprophagous

Sessile

Sexual Dimorphism

Silk

Skeletal System

Species

Sternum

Subfamily

Suspension Feeder

Temperament

Tibia

Tissue

Top Speed

Trachea

Tubercle

Tusk

Underfur

Uterus

Viviparous

Warm-Blooded

Warning Coloration

Weaning

Weight

Xylophagous