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. - Forest life of animals and birds.
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Animals.

Added yesterday by Grażyna

5

lovely animals - pet on the meadow
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lovely animals

Added 2 days ago by Basiunia

12

Bears. - Bear mum with children.
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Bears.

Added 2 days ago by Grażyna

7

Tigers. - Very dangerous tigers ..
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Tigers.

Added 2 days ago by Grażyna

22

Menacing birds. - A flock of dangerous birds on the tree.
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Menacing birds.

Added 2 days ago by Grażyna

10

Two teddy bears. - Two white bears.
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Two teddy bears.

Added 4 days ago by Grażyna

11

Animals. - A lions resting on the tree.
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Animals.

Added 4 days ago by Grażyna

35

Resting lions. - A herd of resting lions.
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Resting lions.

Added 5 days ago by Grażyna

12

Tiger.. - Tiger in a jump after breakfast.
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Tiger..

Added 6 days ago by Grażyna

14

Animals. - Tigers and meerkats in the forest.
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Animals.

Added week ago by Grażyna

38 1

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

Added week ago by maja

26

cat ocicat - cat breed.

Ocicat was bred after the "combination" of Siamese, Abyssinian and American
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cat ocicat

Added week ago by maja

3

Flamingos. - Charming in the pond flamingos
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Flamingos.

Added week ago by Grażyna

0

penguins - the beauty of penguins
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penguins

Added week ago by MF8

24

sunianasza - our nice little dog
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sunianasza

Added 10 days ago by tom

37

doggie mesio - He is funny and cool, he has fluffy gullet
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doggie mesio

Added 10 days ago by Gosia

47

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

Added 11 days ago by Grażyna

57

lovely animals - Kitten is making a sandwich
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lovely animals

Added 11 days ago by Basiunia

19

lovely animals - family of horses - mare and foal
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lovely animals

Added 11 days ago by Basiunia

45

lovely animals - I'm such a tiny kitty
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lovely animals

Added 11 days ago by Basiunia

52

lovely animals - floating duck
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lovely animals

Added 11 days ago by Basiunia

91

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

Added 12 days ago by andi

54

Zoo - colorful jigsaw puzzle
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Zoo

Added 12 days ago by andi

45 1

Budgerigars parrots - colorful jigsaw puzzle
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Budgerigars parrots

Added 12 days ago by andi

22

Flamingos - colorful jigsaw puzzle
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Flamingos

Added 12 days ago by andi

26

holiday-maker - colorful jigsaw puzzle
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holiday-maker

Added 12 days ago by andi

25

Aquarium - colorful jigsaw puzzle
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Aquarium

Added 12 days ago by andi

17

Aquarium - colorful jigsaw puzzle
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Aquarium

Added 12 days ago by andi

36

Aquarium - colorful jigsaw puzzle
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Aquarium

Added 12 days ago by andi

15

Kitty - colorful jigsaw puzzle
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Kitty

Added 12 days ago by andi

23

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

Added 2 weeks ago by Grażyna

33

paolo cagliani - dfsa the fact that I do not know Ia sd
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paolo cagliani

Added 2 weeks ago by paolo cagliani

16

Africa.. - African landscape.
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Africa..

Added 2 weeks ago by Grażyna

41

kitty Fifi male Filip - this game is very sweet
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kitty Fifi male Filip

Added 2 weeks ago by Weronika

46 1

OLa dogs - this game is very nice
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OLa dogs

Added 2 weeks ago by ania

0

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

Added 2 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