1. Hierarchy of Life

2. Arrange the following terms from smallest to largest.
Biome
Organelle
Biosphere
Population
Atom
Community
Proton, electron,,neutron
Organ system
Gluon, quark, lepton
Organ
Cell
Organism
Molecule,compound
Element

3. Gluons “glue” Quarks (6 flavors) Up (+2/3 charge) Down(-1/3 charge)
Top
Bottom
Strange
Charm
Leptons (6 flavors)
Electron
Electron neutrino
Muon
Muon neutrino
Tau
Tau neutrino

4. Sub-atomic particles Protons (uud) +1 charge, in nuc., 1 amu
Electrons -1 charge, outside nucleus in shells, 0 a.m.u
Neutrons (udd) “neutral”, in nucleus, 1 a.m.u.

5. Atoms
Smallest unit of an element that maintains all the properties of that element.
A combination of protons, neutrons and electrons

6. Elements Protons determine the element S, P, O, N, C, H,
Draw a pie graph of elements in the Earth, and in living things.
Note the 2 main elements of the atmosphere

7. Molecules and Compounds
When atoms bond together
Water, glucose, proteins

8. Organelles The parts of a cell Nucleus Mitochondria
Endoplasmic reticulum
Vacuole
Ribosome

9. Cells
Smallest unit of life
Brain
Nerve
Muscle
Fat
Blood

10. Tissues Composed of cells with a similar structure and function Blood
Bone
Adipose

11. Organs
Tissues performing a particular function
Heart
Lung
Brain
Liver

12. Organ system
Nervous
Skeletal
Lymphatic
Respiratory
Muscular
Endocrine

13. Organism
You are an organism
Cat
Bird
Mouse

14. Population Organisms in an area of the same species that reproduce
Oak trees
Walleye
Perch
Dogs

15. Community A collection of populations in an area Pond community
Forest community

16. Biome Large geographic region with a climax “stable” community Tundra
Tiaga
Desert
Tropical rain forest

17. Biosphere
The living planet