BIOL1010 Lecture Notes - Ciclosporin, Plant, Penicillin
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Biology Study of living things.
Living things are: •Organized
•Acquire materials and energy
•Respond to stimuli
•Grow and develop
•Have the capacity to adapt to their environment
Definition of life: •Most living things grow, move, reproduce, metabolize, and respond to external
Def. #2: •All living things are made up of water, biological molecules (sugar, fats, proteins,
nucleic acids), and maintain homeostasis
Metabolism All chemical processes in cells that make energy, synthesize required substances, and
excretion of waste
Homeostasis Maintaining a steady internal environment
Conditions for Life •Liquid water: contained or environmental
•Elements for metabolism and reproduction: Organic compounds like sugars, fats,
protein, and nucleic acids
•A source of energy: sun for plants, or other organisms for the rest
•Suitable environmental conditions: varies widely
•Very cold temp.
•Very high pressure
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