animal

Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia. With few exceptions, animals consume organic material, breathe oxygen, are able to move, reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development. Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million animals in total. Animals range in length from 8.5 millionths of a metre to 33.6 metres (110 ft) and have complex interactions with each other and their environments, forming intricate food webs. The study of animals is called zoology. Most living animal species are classified in the Bilateria, a clade whose members have a bilaterally symmetric body plan. The Bilateria include the protostomes—in which many groups of invertebrates are found, such as nematodes, arthropods, and molluscs—and the deuterostomes, to which echinoderms and chordates (including the vertebrates) belong. Life forms interpreted as early animals were present in the Ediacaran biota of the late Precambrian. Most modern animal phyla became clearly established in the fossil record as marine species during the Cambrian explosion around 542 million years ago. 6,331 groups of genes common to all living animals have been identified; these may have arisen from a single common ancestor that lived 650 million years ago.
Animals. - A lions resting on the tree.
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Animals.

Added 6 days ago by Grażyna

44

cat ocicat - Ocicat was bred after the "combination" of Siamese, Abyssinian and American short-haired c
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cat ocicat

Added 9 days ago by maja

27

Swans. - Two swans: white and black.
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Swans.

Added 13 days ago by Grażyna

59

lovely animals - Kitten is making a sandwich
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lovely animals

Added 13 days ago by Basiunia

21

lovely animals - floating duck
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lovely animals

Added 13 days ago by Basiunia

117

A girl with a kitten - colorful jigsaw puzzle
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A girl with a kitten

Added 2 weeks ago by andi

55

Zoo - colorful jigsaw puzzle
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Zoo

Added 2 weeks ago by andi

47 1

Budgerigars parrots - colorful jigsaw puzzle
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Budgerigars parrots

Added 2 weeks ago by andi

24

Flamingos - colorful jigsaw puzzle
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Flamingos

Added 2 weeks ago by andi

32

holiday-maker - colorful jigsaw puzzle
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holiday-maker

Added 2 weeks ago by andi

25

Aquarium - colorful jigsaw puzzle
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Aquarium

Added 2 weeks ago by andi

18

Aquarium - colorful jigsaw puzzle
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Aquarium

Added 2 weeks ago by andi

37

Aquarium - colorful jigsaw puzzle
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Aquarium

Added 2 weeks ago by andi

15

Kitty - colorful jigsaw puzzle
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Kitty

Added 2 weeks ago by andi

24

Horses on grazing. - Bay horses grazing.
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Horses on grazing.

Added 2 weeks ago by Grażyna

34

Africa.. - African landscape.
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Africa..

Added 2 weeks ago by Grażyna

43

Family is complete.. - In Unity, Strength - Family Siesta
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Family is complete..

Added 3 weeks ago by SU-

26

black cat drinks water - black cat drinks water in the bathroom
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black cat drinks water

Added 3 weeks ago by Basia

16

lovely animals - symmetrical little kitty
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lovely animals

Added 3 weeks ago by Basiunia

27

lovely animals - kitten resembles a tiger
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lovely animals

Added 3 weeks ago by Basiunia

31

lovely animals - small kitty with a white spot
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lovely animals

Added 3 weeks ago by Basiunia

35

Inflatable duck - Duck mattress for children
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Inflatable duck

Added 3 weeks ago by Domi

24

lovely animals - charming this little dog
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lovely animals

Added 3 weeks ago by Basiunia

27

the kitten is resting - a small kitten is resting on a feeding chair
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the kitten is resting

Added 3 weeks ago by kasia

14

Colorful parrots. - Paradise birds in the garden.
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Colorful parrots.

Added 4 weeks ago by Grażyna

58

A herd of bison. - Żubry in the Białowieża Park.
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A herd of bison.

Added month ago by Grażyna

53

Bears. - Bears grazing.
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Bears.

Added month ago by Grażyna

24

Deer. - A herd of deer on a rut.
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Deer.

Added month ago by Grażyna

51

CORE FROM THE LAKE - cancer found on the beach by the lake
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CORE FROM THE LAKE

Added month ago by kasia

9 1

HORSES ON MAZURA - HORSES ON MAZURA MEADOWS
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HORSES ON MAZURA

Added month ago by kasia

11

Flamingos. - Beautiful flamingos on the beach.
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Flamingos.

Added month ago by Grażyna

28

Swan.. - Lady swan on the pond.
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Swan..

Added month ago by Grażyna

103

lovely animals - cat with dog - friends
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lovely animals

Added month ago by Basiunia

19

A nice bird - A nice bird with a white head
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A nice bird

Added month ago by Michalina

8

Black bird - Black bird on a branch
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Black bird

Added month ago by Michalina

6