Chapter 3, Problem 40A

Summary Introduction

To describe:

The difference between the heterotrophs and autotrophs.

Introduction:

One of the important characters of a living thing is obtaining nutrition. Some of the organism make their own food using the resources from the atmosphere and some of the organism depend on other organism as their food source.

Explanation of Solution

The difference between the autotrophs and the heterotrophs are:

Autotrophs	Heterotrophs
1. Produce their own food. 2. Occupy the primary level in the food chain. 3. Acquire energy by self-made food source. 4. They can be photoautrophs (making food with help of solar energy) or chemoautotrophs (making food with help of chemicals energy). 5. Example: green plants, algae.	1. Do not produce their own food. 2. Occupy secondary or tertiary level in food chain. 3. Depend on autotrophs for food. 4. They can be herbivore, carnivore or carnivore. 5. Example: animals, fungi.