Carnivora Flashcards

1
Q

What phylogenetic level is carnivora ?

A

It is an order

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2
Q

There are….. species in ….. families

A

283 species

15 families

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3
Q

Describe the main dental adaption of carnivores

A

Large Canines

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4
Q

What is the diet of the organisms within the carnivora ?

A

Carnivores, Insectivores, Vegetarians, Omnivores

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5
Q

What are the carnassial teeth ?

A

Cusps on;
The last upper premolar
The first lower molar
form carnassial teeth, slice meat

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6
Q

How do carnivores communicate socially ?

A

Through complex chemical signals

Skin, urine, faeces

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7
Q

Give the family which contains the majority of the Civets.

A

Family Viverridae

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8
Q

How are civets utilised by humans ?

A

They are farmed for there smell, used in perfumes

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9
Q

Give the 4 species of the hyena family

A

Spotted
Striped
Brown
Aardwolf

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10
Q

What is the benefit to the hyena of highly conc. HCL in its stomach ?

A

Highly effective at extracting nutrients from bone

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11
Q

What is a pseudopenis ? Hyenas

A

Enlarged clitoris, creates female hierarchy and is what the females mate and give birth through.

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12
Q

What other pseudo-genitalia do hyenas have ?

A

Pseudotestes

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13
Q

Give the species in the family Ursidae

A

Bears

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14
Q

What is the diet of the panda, Ursidae ?

A

Mainly herbivorous, sometimes eats meat
Teeth modified to eat plants
High consumption

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15
Q

What a pseudo thumb ?

A

Found in pandas, Ursidae

Modified wrist bone to help process food

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16
Q

What is another name for the organisms within the Felidae ?

A

Cats

17
Q

Describe the usual composition of a lion pride.

A

4-12 related females (cousins)
Sub adult males (tolerated)
Breeding male, from different pride.

18
Q

What is allosuckiling in lions ?

A

If female lions give birth to offspring at a similar time will enable suckling of relatives offspring
(Kin selection)

19
Q

What is infanticide In lions ?

A

Incoming males will kill young to gain paternity faster.

Females will come into season more quickly

20
Q

How can infanticide in lions be thwarted ?

A

Females are good at hiding young, some will survive.

21
Q

Give another name for the family Canidae

A

Dogs

22
Q

Canidae exhibit co-operation in…

A

Hunting and rearing young

23
Q

Explain how dogs exhibit kin selection ?

A

Many species will reach sexual maturity and instead of mating will help rear siblings
(carry similar genes)

24
Q

Describe how silver backed jackals act as helpers

A

Juveniles will stay in parental ranges as helpers
Bring food and give protection
Delay own reproduction by a year to help raise siblings

25
Q

Why do silver backed jackals act as helpers ?

A

Increase survival rates of kin,

May inherit paternal territories.

26
Q

Give some examples of the families contained within the Carnivora.

A
Family Canidae
Family Ursidae 
Family Felidae 
Family Mustelidae (otter, skunk)
Family Hyena 
Super Family Pinnipeds
27
Q

What are the carnassial teeth ?

A

The first molar on the lower jaw and the last premolar on the upper jaw
Used as shearing teeth.