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• Biology is the science of life, dealing with the study of living organisms, their functions, structure, growth, origin, distribution, and evolution
• The term "biology" was introduced in Germany in 1800 and popularized by the French naturalist Jean-Baptiste de Lamarck
• Botany – Study of plants
• Zoology – study of animals
• Cytology – study about cells especially their structures and functions
• Anatomy - The study about structural organization of living things. The emphasis is on human bodies than on animal form.
• Ecology – The study of ecosystem as a complete unit. Its emphasis is on the interactions of organisms with their environment and with each other.
• Entomology – Branch of Zoology dealing with the study of insects.
• Genetics – The study of heredity and function and behavior of genes.
• Histology – Study of cells and tissue
• Ichthyology – Study of fish
• Mammalogy – Study of mammals
• Parasitology – Study of parasites and parasitism
• Ornithology – Study of birds
• Cell – the smallest unit of all living organism. Cells are the smallest structures capable of basic life processes, such as taking in nutrients, expelling wastes, and reproducing. All living things are composed of cells.
• NUCLEUS - Control center of a cell where the cells chromosomal DNA is found
• Nucleolus - The place of formation of ribosomes where protoplasm is found.
• Nucleoplasm - A double lipid bilayer in eukaryotic cells enclosing the genetic material
• NUCLEUS is the control center of a cell where the cells chromosomal DNA is found
• Nuclear Membrane - The interface between the cells and from surrounding liquids outside
• CELL MEMBRANCE - Is filled with liquid which contains organelles
• CYTOPLASM - The organized structure of DNA protein
• Chromosomes - They form complex combimnation of DNA, RNA and protein
• Endoplasmic Reticulum - It is composed of membranes that are studded with ribosomes.