2. Food and Food Resources
Food :- Materials, usually of plant or animal origin,
that contain or consist of essential body nutrients.
Food Resources :-Resources that are used as food, or
provide food for organisms are called food
resources.
4. PLANTS AS FOOD
RESOURCES
for herbivores and
Plants serve as food resources
omnivores.
In India, the main source of food is agriculture.
Main kinds of agricultural products :
Cereals
Pulses
Spices
Beverages
Vegetables
Fruits
6. ANIMALS & BIRDS AS FOOD
RESOURCES
Animals and birds are a huge source of food for
many organisms who are carnivores and
omnivores. They are of the following origin :
• Animal Meat
• Bird Meat
• Eggs
• Other organic items like oils
7. Animal Meat and bird
meat
Animals and birds are killed and
their flesh is consumed by other
animals as food.
Their consumption has various
rituals and traditions in various
cultures across the world.
Fish is a very important source
of food too. It is very nutritious and
popular.
8. Eggs and other bird/animal
products
Eggs are very nutritious and a very viable
source of food.
Milk is an animal product that is very
nutritious and widely accepted.
Honey is the product of nectar collected by
honey bees from flowers.
Certain animals also give things like oils,
that has nutritional value. For instance, cod
liver oil from fishes.
9. World Food Problems
Reasons for problems:
Population growth
Increasing affluence
Degradation and loss
of cropland
Little growth in
irrigation
Decline in global
fertilizer
