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### Exercise

1. Why do organisms take food?
2. Distinguish between a parasite and a saprotroph.
3. How would you test for the presence of starch in leaves?
4. Give a brief description of the process of synthesis of food in green plants.
5. Show with the help of a sketch that plants are the ultimate source of food.



Answer :

GinnyAnswer

Final answer:

Autotrophs produce their own food through photosynthesis, which is critically important to life on Earth, while heterotrophs rely on other organisms for food.


Explanation:

Autotrophs are organisms that can produce their own food from inorganic raw materials through processes like photosynthesis, while heterotrophs depend on other organisms for food.

Autotrophs can make food through photosynthesis and chemosynthesis. Photosynthesis is quantitatively more important and is performed by plants, algae, and some bacteria.

The flow of energy through a food chain starts with the sun as the original source, then moves through producers, consumers, and decomposers, culminating in its ultimate form as heat.


Learn more about Autotrophs and Heterotrophs here:

https://brainly.com/question/40512394


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