Question

6. How do plants fulfil their requirements of nitrogen needed for the synthesis of proteins and fats?

7.Explain why the sun is called the ultimate source of energy for all living organisms.​

Answer 1

Answer:

here the plants get nitrogen from the atmosphere with the help of bacteria

and sun gives the primary energy after the formation of ozone

Explanation:

Answer 2

Explanation:

1) a certain type of bacteria called rhizobium helps to provide nitrogen to the plants .

2) the sun is called the ultimate source of energy because it is the source of almost all energies of the earth . plants convert light energy from the sun into chemical energy (food) by the process of photosynthesis . animal eats plant and use that seem chemical energy for all their activities ....

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