... sense changes in their surroundings and respond to this change. This is sometimes also called Irritability. The changes they sense are of many types, such as temperature, light intensity, sound, day length and the presence of chemicals and the amazing sense of danger when predators are around. Growth: Living organisms grow. Some of the nutrients they feed on provide them with the energy needed to help the cells in the organisms to grow, and to build new cells, so that the organisms grow larger. Reproduction: Living organisms reproduce, every kind of living organisms is able to make new organisms like it self, either by self dividing or in other words Asexually or by having a partner like in most cases male and female will out go and reproduce Sexually. Excretion: Living organisms excrete, chemical reactions take place inside the cells of an organism, some of the substances made during or by the reactions ...

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