It is the part of the digestive tract where approx 90% of the digestion and absorption of food occurs, the other 10% taking place in the stomach and large intestine. The main function of the small intestine is absorption of nutrients and minerals.That is, absorption of the nutrients and minerals in the food ingested, usually via the mouth, at an earlier stage in the digestive process.t is the part of the digestive tract where approx 90% of the digestion and absorption of food occurs, the other 10% taking place in the stomach and large intestine. The main function of the small intestine is absorption of nutrients and minerals.
Green seaweeds. Characteristics: Green colour from chlorophyll a and b in the same proportions as the 'higher' plants; beta-carotene (a yellow pigment); and various characteristic xanthophylls (yellowish or brownish pigments). Food reserves are starch, some fats or oils like higher plants.
Asker's rating. Report Abuse. General Characteristics of Plants: 1.A plant is a multicolor, eukaryote organism with cellulose-rich cell walls and chloroplasts that has starch as the primary carbohydrate food reserve. Plants are primarily terrestrial, autotropic (capable of making their own food) organisms. Most plants contain chlorophyll's a and b and xanthophylls (yellow pigments) as well as carotene's (orange pigments). 2.Cellulose 3.Plants can reproduce sexually or asexually.