1. Mind Map Chemical substances found in the organisms inorganic substances organic substances water minerals importance play important roles in carbohydrates fats proteins nucleic acids 1. solvent act as act as act as 2. medium of transport metabolism 1. fuels 1. energy stores 1. structural components of cells 3. reactant 2. food stores 4. cooling agent 2. structural material of cell membrane 2. fuel 5. supporting agent 3. structural materials in plants make up 6. transport of gametes in sexual reproduction genes 7. temperature maintenance

2. working together to form Cells can be observed with consist of contain contain working together to form contains contains function function working together to form contains function function are used in which are are used in Mind Map microscope Animal cells Plant cells tissues nucleus cytoplasm vacuole cell membrane cell wall organs chromosomes cell sap control of materials in and out of the cell support and prevent entry of excess water system control cells’ activities support the cells mitochondria non-living granules chloroplasts (in plant cells only) food or waste materials respiration photosynthesis

3. Mind Map Metabolism can be speeded up by substances move across cell membrane by includes activity is affected by have one or more nature properties can be explained by enzyme 1. diffusion 1. anabolism 1. temperature 2. active transport 2. catabolism 2. pH active sites 1. biological catalysts 1. reusable 3. osmosis 2. specific 2. protein 3. reversible 4. small amount is enough lock-and-key hypothesis

4. Mind Map Diversity of organisms the order of biological classification a tool for classification dichotomous key kingdom phylum class order family genus species

5. Mind Map a non-cellular entity Diversity of organisms viruses can be classified into 1. prokaryotae 2. protoctista 3. fungi 4. plantae 5. animalia classified into classified into invertebrates vertebrates non-flowering plants flowering plants classified into is also called classified into 1. fishes angiosperms mosses 2. amphibians classified into ferns 3. reptiles monocotyledons gymnosperms 4. birds dicotyledons 5. mammals