1. Hierarchy of Living Things
(what the heck is a hierarchy?)

2. Hierarchy:
A system of grouping and ordering by size, rank, grade, ability or status

3. Watch a short video clip - The Power of Ten

4. Hierarchy of living things
Look at the labels on your notecards. Arrange them in hierarchal order, from largest to smallest. Next… Check your answers

5. Put this in your notebook:
Hierarchy of life notes
Date

6. Biosphere Biome Ecosystem Community Population Organism
Organ and Organ system
Tissue
Cells
Atoms and Molecules
Whole earth (where living things exist)
Large area of similar ecosystems
Group of different organisms and their environment
All living things in one area
Group of the same species in an area
Individual living thing
Group of organs and tissues with a specific function in an organism
Group of similar cells doing a job
Smallest unit of life
Building blocks of all things – living and non-living