Levels of Organisation

Question 1

what is the level of organisation?

Answer 1

atom -> molecule -> macromolecule -> organelle -> cell -> tissue -> organ -> organ system -> organism

Question 2

what is a cell?

Answer 2

cells are the smallest functional unit of life and contain a number of organelles, structures that carry out specific processes the cell needs to survive

Question 3

what are tissues?

Answer 3

tissues are groups of similar cells, which work together to carry out the same function

Question 4

what are organs?

Answer 4

organs are made up of several different tissues working together to carry out a more complex function

Question 5

what are organ systems?

Answer 5

organ systems are made up of several different organs working together to carry out a complex function to essential life