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Ecology of Mammals > Ch. 19 - Perissodactyla and Cetartiodactyla > Flashcards

Ch. 19 - Perissodactyla and Cetartiodactyla Flashcards

1
Q

These two orders include hoofed mammals

A

Perissodactyla and Cetartiodactyla

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2
Q

What is another term for hoofed mammals?

A

Ungulates

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3
Q

How many digits can ungulates have?

A

1-4

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4
Q

What kind of locomotion do ungulates use?

A

Cursorial

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5
Q

This group of mammals is the most economically important

A

Ungulates

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6
Q

What are four important uses of ungulates?

A

Commerce, economics, domestication, sport hunting

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7
Q

These are the odd-toed ungulates

A

Perissodactyls

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8
Q

These are the even-toed ungulates

A

Cetartiodactyls

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9
Q

This ungulate order includes tapirs, horses, and rhinos

A

Perissodactyla

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10
Q

What is the only perissodactyl family in North America?

A

Equidae

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11
Q

What group of perissodactyls is found in South America?

A

Tapirs

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12
Q

What type of fermenters are perissodactyls?

A

Hindgut fermenters

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13
Q

Perissodactyls can forage on this type of range

A

Poor quality range

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14
Q

How many species are in Tapiridae?

A

4

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15
Q

How many species are in Rhinocerotidae?

A

5

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16
Q

Rhinocerotidae are considered the most primitive of large mammals because of this

A

Dentition

17
Q

What are two reasons why rhinos are vulnerable to population decline?

A

Low reproductive rates and poor quantity forage

18
Q

How many remaining species of perissodactyls are there?

A

17

19
Q

Do perissodactyls have true horns?

A

No

20
Q

How many equids are free-ranging in the western U.S.?

A

82,000

21
Q

How many species are in Equidae?

A

8

22
Q

This perissodactyl family includes horses, asses, and zebras

A

Equidae

23
Q

This order includes camels, llamas, bovids, cervids, giraffes, hippos, and pigs

A

Cetartiodactyla

24
Q

How many species are in Cetartiodactyla?

A

> 200

25
Q

What type of fermenters are cetartiodactyls?

A

Foregut fermenters

26
Q

This is the largest family of cetartiodactyls

A

Bovidae

27
Q

What are two continents where bovids are not native?

A

Australia and South America

28
Q

How many species of bovids are there?

A

300

29
Q

This Cetartiodactyla family includes deer, elk, and moose

A

Cervidae

30
Q

These cetartiodactyls are closely related to whales

A

Hippos

31
Q

How many species of hippo are there?

A

2

32
Q

What are two characteristics of hippo skin?

A

Almost hairless and highly glandular

33
Q

Hippos experience this through their skin

A

High evaporative water loss

34
Q

There are 1 billion of these domesticated cetartiodactyls worldwide

A

Pigs and peccaries

Ecology of Mammals (21 decks)

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