Biology Section 1

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1.1 Understand that living organisms share the following living characteristics

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition.

MRSGREN is a good mnemonic.

A further thing to add is that ALL organisms can die, contain nucleic acid, and can mantain a constant internal environment(homeostasis)

1.2 Describe the common features shared by organisms within the following main groups: plants, animals, fungi, bacteria, protoctists and viruses, and for each group describe examples and their features as follows (details of life cycle and economic importance are not required)

Plants: Multicellular organisms, contain cell walls made of cellulose, to support and strengthen the cell, photosynthesise, and store carbohydrates as starch or


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