EVOLUTION Flashcards

(24 cards)

1
Q

HOW MANY TOES ON THE FRONT FEET OF EOHIPPUS

A

4

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2
Q

SIZE AS BIG AS CAT AND DOG

A

EOHIPPUS

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3
Q

DAWN HORSE 60 million years ago

A

EOHIPPUS

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4
Q

MIDDLE HORSE

A

MESOHIPPUS

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5
Q

OLIGOSCENE 40 million years ago

A

MESOHIPPUS

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6
Q

INCHES OF MESOHIPPUS SHOULDER

A

24

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7
Q

BACK LESS ARCHED FACE SNOUT AND NECK LONGER

A

MESOHIPPUS

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8
Q

SPOT GRADUALLY REDUCED

A

MESOHIPPUS

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9
Q

6 grinding cheek teeth with single premolar in front for grinding down tough vegetation

A

MESOHIPPUS

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10
Q

each foot has 3 toes, 1st and 5th remained but small and not used for walking

A

MESOHIPPUS

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11
Q

3rd toe stronger and longer than the outer ones, the 4th diminished to a vestigial hub

A

MESOHIPPUS

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12
Q

3rd natira lumiit 4th and 2nd tooth 1st and 5th nawala

A

MESOHIPPUS

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13
Q

RUMINANT OR CUD CHEWING HORSE

A

MERYCHIPPUS

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14
Q

middle of miocene epoch about 30 mya

A

MERYCHIPPUS

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15
Q

EFFECTIVE GRAZER AND RUNNER

A

MERYCHIPPUS

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16
Q

wider molar for crunching hard grasses

17
Q

HINDLEGS RELATIVELY SHORT

18
Q

GRINDING USING WIDER MOLAR NOT UP AND DOWN

19
Q

3 toes on each foot, side toes lmost useless but center was long and strong and ended in urved hoof which bore all o the animals weight

20
Q

ICE AGE / PLIOCENE PERIOD- 10 MYA

21
Q

teeth strongly curved but became better fitted for editing grass

22
Q

LOOK LIKE MODERN HORSE ; BIGGER THAN ANCESTORS

23
Q

1st single toed horse

24
Q

1 mya