<h3><u>The Food webs are preferred over food chains for representing the flow of energy in an ecosystem for the following reasons:
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- The food webs are higher in complexity when compared to food chains and also, in food web, more than one primary producers is present which increases the 'flow of energy' in the ecosystem.
- Food web represents the real life better than the food chains do.
- Food web shows many different paths through which the organisms can be connected.
Because carbohydrates can be converted into energy but can not store energy.
The answer is A because it is not formed from decaying marine animals.
The calvin cycle occurs only when Carbon Dioxide is captured
The immune system.
The immune system acts as a defense system of the body. It fights against bacteria, viruses and any other disease causing pathogens. Some chemicals can weaken the immune system and make them vulnerable.
