Question

III. Answer the following :-
1) What are the differences between autotrophic nutrition and hetrotrophic nutrition?
2) Why is photosynthesis important to the global world ?
IV. Answer the following :-
1) Draw a diagram of the front view of human heart & label.
2) Describe double circulation in human beings. Why is it necessary.​

Answer 1

Answer:

autotrophic nutrition means they make food by themselves and get nutrition from th food made by themselves eg common plant

hetrotrophic nutrition means the plant need to be depend on others organisms for their nutrition eg Venus fly trap

Answer 2

Explanation:

1) What are the differences between autotrophic nutrition and hetrotrophic nutrition?

Autotrophs and heterotrophs are the two classifications of organisms on the basis of nutrition. Autotrophs are organisms that can prepare their own food. On the contrary, heterotrophs depend on autotrophs and other organisms for nutrition.

2) Why is photosynthesis important to the global world ?

Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. ... Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy.

1) Draw a diagram of the front view of human heart & label.