Exercise 1. Why do organisms take food? 2. Distinguish between a parasite and a saprotroph. 3. How would you test 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.
Answers
Answer:
I explain why this question in part 5 our channel
Answer:
number one answer is organisms take food in order to survive and sustain their life when we intake food the further processes it break down into simpler substances and provide energy to different organs of the body
stating the difference between parasite and saprotroph parasite are those organisms which depend on other organisms for their survival they need a host plant or animal in order to survive where as in saprotroph of organisms that depend on dead or decaying organisms to sustain their life
third number answer by the help of iodine solution by taking some drops of iodine solution and dropping into the leaves we can find the presence of starch in it
in the process of photosynthesis the plant required in the three ut most 3 things that is air sunlight and nutrients in the soil in the very first processes it up the nutrients and all the vital minerals and vitamins in order to grow with the help of proper sunlight which it receives from the sun and air , overall the process in which the plants prepare their own food with the help of Sunlight air and water is known as photosynthesis
plants is not the only source of food which can be consumed by human beings or any animals and further we can say animals are the secondary source of consumption of food which can be consumed even by a man or an animal we can clearly know this by the example of food chain where plant and animals and even human beings are interlinked with each other
