Question

9. Define the following terms:
(a) Photosynthesis
(b) Nutrition
(c) Heterotrophic nutrition
(d) Parasite
(e) Autotrophic nutrition
(f) Symbiosis​

Answer 1

a. the process by which green plants and certain other organisms transform light energy into chemical energy

b. the process of providing or obtaining the food necessary for health and growth.

c. Heterotrophic nutrition is a type of nutrition in which organisms depend upon other organisms for food to survive.

d. an organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.

e. Autotrophic nutrition is a process where an organism prepares its own food from a simple inorganic material like water, mineral salts and carbon dioxide in the presence of sunlight.

f. interaction between two different organisms living in close physical association, typically to the advantage of both.

hope it helps.....

Answer 2

The process by which plants make their own food, is called Photosynthesis.

The process of obtaining and utilising food, is called Nutrition.

The mode of nutrition, in which organisms derive their food by dead and decaying matter, are called Heterotrophic Nutrition.

The organisms, who derive their food from another living organism by living on it, are called Parasite.

The mode of nutrition, in which organisms make their own food, are called Autotrophic Nutrition.