biogeography Flashcards

1
Q

define ‘biological realm’

A

an area defined by the fauna found in it

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2
Q

where is the Ethiopian realm?

A

all of Africa excluding north

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3
Q

where is the palearctic realm?

A

europe, north africa, Arabia, North&east Asia

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4
Q

where is the nearctic realm?

A

North America

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5
Q

where is the Holarctic?

A

Greenland and northern Canada

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6
Q

where is the oriental realm?

A

india and SE asia

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7
Q

where is the cosmopolitan realm?

A

covers whole world- transit species

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8
Q

where are marine realms in general found?

A

on continental coasts

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9
Q

what is the indicator species of marine realms?

A

cone snails

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10
Q

where is the East African coastal realm?

A

east Africa, arabia and West Indian islands

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11
Q

where is the indo-pacific oceanic realm?

A

South and SE Asia, islands off north AUS.

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12
Q

where is the east pacific realm?

A

W of americas

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13
Q

where is the Caribbean-west Atlantic realm?

A

E of americas

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14
Q

where is the Mediterranean-east Atlantic realm?

A

W of Africa up to France and med

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15
Q

where is the cosmopolitan realm?

A

all over oceans

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16
Q

what is Europe’s biogeography classified by?

A

tree species

17
Q

where are oaks found?

A

mild and humid west

18
Q

where are laurels found?

A

hot and dry south

19
Q

where is beech found?

A

central to mid west

20
Q

where are coniferous found?

A

cold north

21
Q

where are fir found?

A

mountainous regions

22
Q

where is pine found?

23
Q

where is slipper found?

24
Q

where are very few trees found?

25
define dispersal in relation to new island inhabitation
individuals from mainland leave and colonise new island
26
define vicariance in relation to island inhabitation
when a portion of land is colonised before it splinters
27
what does the species-island hypothesis suggest?
that the smaller an island is, the lower its species richness will be
28
what is the MacArthur-wilson equilibrium in terms of species richness on islands?
the balance created between species extinction and new immigration
29
define island syndrome
dwarfism of mammals and giantism of all others on islands