Question

xercise
why do organisms take food?
Distinguish between a parasite
How would you test the presene​

Answer 1

Answer:

Organisms need to take food to get energy and perform life processes. A living organism undergoes many life processes like nutrition, respiration, digestion, transportation, excretion, circulation of blood, and reproduction. To perform all these life processes the organism needs energy and nutrients.

Answer 2

Q- Difference between a parasite and a saprotroph

s.No

Parasite

Saprotroph

1.

Organisms derive nutrition from the body of other living organisms (host) are parasites.

Plants which derive nutrition from dead and decaying organisms are called saprotrophs.

2.

Example: Cuscata

Example: Mushrooms