Lec.1

• Biology is a natural science concerned with the study of life and living

  organisms, including their structure, function, growth, evolution, distribution,

  and taxonomy
• The Seven Characteristics of Living Things

  1. Feeding
  2. Movement
  3. breathing or respiration
  4. excreation
  5. growth
  6. sensitivity
  7. reproduction
• .

  All these characters can be Summarized in:

  A--Degree of orderliness.

  B--Ability to respond to stimuli.

  C--Capacity to grow, develop and reproduce by using hereditary molecules.

  D--Possession of regulatory processes, which control and coordinate life

  functions.
• :

  Morphology: A branch of biology that deals with form and structure of

  animals and plants. Such study on the cellular level is known as Cytology. On

  tissue level, it is known as Histology
• Embryology: The study of formation and development of embryo Anatomy -

  study of the animal form, particularly human body
• Biotechnology - applied science that is concerned with biological systems,

  living organisms, or derivatives thereof, to make or modify products or

  processes for specific use