This processes includes movement of food, grinding of food, mixing of food with acid and alkaline and action of various digestive enzymes. Digestion involves multiple processes from obtaining food to converting it to absorbable form.For converting food to useful fuel for our body it must be digested first. Now there is a difference between eating and obtaining energy. Feeding in simple terms refer to as eating. Feeding refer to as obtaining food from environment when one feels hungry or require energy from outside.For gaining energy from any source heterotrophic organism must perform two basic processes first feeding and other is digestion. The energy which is obtain by autotrophic organism can now be taken from various heterotrophic organism. As sun is a universal source of energy but only autotrophic organism can obtain energy from sun. This energy can be obtain from food and sun. Every organism needs energy to perform its basic metabolic function.1.6) CONCLUSION PATTERN OF FEEDING AND DIGESTION IN LOWER INVERTEBRATES INTRODUCTION
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