Levels Of Structural Complexity

Question 1

Levels of structural complexity

Answer 1

Question 2

Atoms

Answer 2

• atoms combine = molecules

Question 3

Cells

Answer 3

• smallest independent living matter
• Can’t be seen with the naked eye
• different types of cells = differentiated by size, shape & dye that absorbs when examined under microscope
• cells are specialised (differentiated) = carry out a particular role
• 200 different types of cells

Question 4

Nerve impulses

Answer 4

• integrated & coordinated = million of cells = enter body = rapid and sophisticated communication system
• cells with similar structure & functions = found together & forming tissues.

Question 5

Organs

Answer 5

• made from different tissues
• evolved to do different functions
• 80 different organs
• systems = several organs & tissues together = survival of the bodies.