Question

The main characteristics of food web and food chain

Answer 1

these include all green plants. These are also known as autotrophs, since they make their own food. Producers are able to harness the energy of the sun to make food. In the ocean, the producers are the phytoplankton. It is estimated that 500 billion tons of phytoplankton are produced each year.

Answer 2

Answer:

Food chain:

a) there is a unidirectional flow of energy from producers to consumers

b) there are generally three to four trophic levels

c) it is always straight

d) organism can occupy different trophic levels and different food chain

e) a 10% law is followed in energy transfer

Food Web:

a) it is an internal link of different food chains

b) provides alternative pathways of food chain

c) helps in the development of ecosystem

d) due to greater alternative of food it makes the ecosystem stable