Question

why are additional raw materials from outside needed by organisms​

Answer 1

Answer:

Explanation:

1.  Autotrophic Organism- mainly use outside raw materials such as carbon dioxide, water, minerals and sunlight to synthesize its own food through photosynthesis.

2. Heterotrophic Organism- use outside raw material such as ready-made, organic food to grow and synthesize important substances needed in the body.

Answer 2

Any organism uses organic molecules as raw material and oxygen for respiration . Heteroptrophs use food and autotrophs use carbon dioxide , minerals & water .