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Flashcards in Carnivora Deck (27)
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1

What phylogenetic level is carnivora ?

It is an order

2

There are..... species in ..... families

283 species
15 families

3

Describe the main dental adaption of carnivores

Large Canines

4

What is the diet of the organisms within the carnivora ?

Carnivores, Insectivores, Vegetarians, Omnivores

5

What are the carnassial teeth ?

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

6

How do carnivores communicate socially ?

Through complex chemical signals
Skin, urine, faeces

7

Give the family which contains the majority of the Civets.

Family Viverridae

8

How are civets utilised by humans ?

They are farmed for there smell, used in perfumes

9

Give the 4 species of the hyena family

Spotted
Striped
Brown
Aardwolf

10

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

Highly effective at extracting nutrients from bone

11

What is a pseudopenis ? Hyenas

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

12

What other pseudo-genitalia do hyenas have ?

Pseudotestes

13

Give the species in the family Ursidae

Bears

14

What is the diet of the panda, Ursidae ?

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

15

What a pseudo thumb ?

Found in pandas, Ursidae
Modified wrist bone to help process food

16

What is another name for the organisms within the Felidae ?

Cats

17

Describe the usual composition of a lion pride.

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

18

What is allosuckiling in lions ?

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

19

What is infanticide In lions ?

Incoming males will kill young to gain paternity faster.
Females will come into season more quickly

20

How can infanticide in lions be thwarted ?

Females are good at hiding young, some will survive.

21

Give another name for the family Canidae

Dogs

22

Canidae exhibit co-operation in...

Hunting and rearing young

23

Explain how dogs exhibit kin selection ?

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

24

Describe how silver backed jackals act as helpers

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

25

Why do silver backed jackals act as helpers ?

Increase survival rates of kin,
May inherit paternal territories.

26

Give some examples of the families contained within the Carnivora.

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

27

What are the carnassial teeth ?

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