Levels Of Organisation

Question 1

Organise these terms in order of size, from smallest to largest: tissue, organism, cell, organ system, organ

Answer 1

1) cell
2) tissue
3) organ
4) organ system
5) organism

Question 2

Define “cell”

Answer 2

Cells are microscopic structures that work together to perform a function

Question 3

Define “tissue”

Answer 3

Layers of similar cells bound together (that form a tissue)

Question 4

Define “organ”

Answer 4

Different tissues bound together (that form an organ)

Question 5

Define “organ system”

Answer 5

A group of organs that work together to perform a complex function(s)

Question 6

Define “organism”

Answer 6

A system/organisation consisting of many parts. All organ systems come together to create a living individual, or in other words an organism.