genbio 2

• Archaea and Bacteria are unicellular prokaryotes (no nucleus or membrane-bound organelles)
• Eukarya are more complex and have a nucleus and membrane-bound organelles
• •Some may cause DISEASE

  •Found in ALL HABITATS 

  •Important decomposers for environment

  •Commercially important in making cottage cheese, yogurt, buttermilk, etc.

  Bacteria
• Absorptive heterotrophs (digest food outside their body & then absorb it)

  Fungi
• Absorb sunlight to make glucose – Photosynthesis

  Plants
• Ingestive heterotrophs (consume food & digest it inside their bodies)

  Animalia
• Conducts and transmits nerve impulses

  Nerve cells
• Responsible for contracting and movement

  Muscle Cell
• Three types of muscle cells

  Smooth, striated, cardiac
• bind structures together, form a framework and support for organs and the body as a whole

  connective cell
• acts as a protection, lines on the surface of the body

  epithelial cells