Plant adaptations

Question 1

Xerophytes

Answer 1

Adapted to areas with low water
Less SA - reduces evaporation
Small hairs - trap water vapour
Waxy cuticle - reflects sunlight

Question 2

E.g. of xerophyte

Answer 2

Joshua Tree - found in Mojave

Question 3

Succulent

Answer 3

Retains water in dry environments
Fleshy leaves - stores water
Lateral roots - to collect max. water
Small leaves - reduce evaporation

Question 4

E.g of succulent

Answer 4

Aloe Vera, - every damn where

Question 5

Phreatophytes

Answer 5

Deep roots to water reserves
Adapted to saline areas
Long roots - access deep water reserves
Waxy cuticles - reflect sunlight
Alkoloids - bitter taste to reduce herbivory

Question 6

e.g of Phreatophytes

Answer 6

Creosote Bush

Question 7

Ephemerals

Answer 7

Short life cycle of plant to coincide with wet weather
Dormant seeds
Adapted to die back to bulbs

Question 8

E.g of Ephemerals

Answer 8

In Namaqualand, - South Africa

Question 9

Halophytes

Answer 9

Can grow in salty environments
Stem can take over p/s
Fleshy leaves - store water

Question 10

E.g. of halophytes

Answer 10

Sahara Forest Project

Lizard tail

Question 11

Oasis

Answer 11

Growth of many plants around a natural spring
Long roots to access water reserves
Provides shelter

Question 12

E.g. of Oases

Answer 12

Huacachina in Peru

Seba in the Sahara