Question

Distinguish between
(i) Autotropshs and Heterotrophs
(ii) Decomposers and scavengers

Answer 1

Autotrophs are the plants having self dependent on mode of nutrition
Wheareas , Heterotrophic plants are dependent on their surrounding for an example fungi is dependent on nearby vegetation for its food

Decomposers are the microorganisms which help to prepare manure of natural vegetation or excreta of animals such as cow.
But ,
scavengers are the organisms which help in cleaning the environment by eating dead animals.
for an example eager

Answer 2

(i) Autotrophs and Heterotrophs

Autotrophs :

• The living things which used to prepare its own food by its own.
• They are also called producers.
• Auto = self ; Troph : food
• Examples - Green plants

Heterotrophs  :

• The living things which do not prepare their own food and depends upon plants fro their food.
• They are also called primary consumers.
• Hetero = other ; Troph = food
• Examples - Cows, goats, cattle etc.

(ii) Decomposers and Scavengers

Decomposers :

• The living organisms who used to derive their food from dead and decaying plants and animals are called decomposers. They used to breakdown the dead and decaying parts of the plants and animals into minerals and nutrients that get mixed up with the soil.
• They help in mineral cycle.
• They cannot be seen through naked eyes.
• Examples - Fungi, bacteria and other micro organisms in soil.

Scavengers :  

• The living organisms who used to consume dead bodies of animals.
• The helps to keep the environment clean.
• The a big enough which can be seen through naked eyes.
• Examples - Jackals, vultures, crows, kites etc.