Natural Vegetatio Flashcards
(10 cards)
How many plant and animal species exist in the biosphere of the Earth?
3,00,000 and 10,00,000
What does the type of vegetation and wildlife in different parts of the world depend on?
- Climatic conditions
- Type of soil
- Relief features
What does natural vegetation refer to?
Plants that grow naturally in an area as well as ones that have been modified due to human activity such as deforestation, grazing and cultivation
What does the variation in natural vegetation depend on?
Availability of sunlight and rainfall
What is a biome?
A region of naturally occurring flora and fauna that have adapted themselves to the environment
What are the types of vegetation on earth and where are they found?
- forests: humid regions
- grasses: moderate rainfall regions
- shrubs : dry regions
What are evergreen forests and how can they be further classified?
In which trees have no particular season to shed leaves and the forest remains green throughout the year.
Classification:
- tropical
- temperate
- Mediterranean
- coniferous
Classification of deciduous forests
- tropical
- temperate
Why do most trees in deciduous forests shed their leaves at a particular time of the year?
To prevent loss of water through transpiration
What is the classification of grasslands?
- tropical
- temperate
