natural vegetation and wild life

natural vegetation and wild life -1

Pre - assessment

Open Ended

Which part of the earth has all animals and plants

Multiple Choice

What number of plant species are there?

• 10,00,000

• 3,00,000

Multiple Choice

What number of animal species are there?

• 10,00,000

• 3,00,000

Natural vegetation of an area

it is the plants that grow naturally in that area.

But due to human activities the plants have been modified -

-deforestation

-overgrazing

-cultivation

so now natural vegetation means both plants - natural and modified.

Factors that determine the natural vegetation :

• climate

• type of soil

• relief features

Biome

A region with naturally occurring flora and fauna that have adapted themselves to their environment

Types of vegetation -

• forests: area with heavy rainfall (humid )

• grasslands :area with moderate rainfall

• desert-shrub: area with limited rainfall(dry)

forests- evergreen and deciduous