Levels of OrganizationThe Universe

• Protons, neutrons, and electrons

ATOMS

SUBATOMIC PARTICLES

• Building blocks of matter – listed on periodic of elements

ATOMS

MOLECULES

• More than one element/atom bonded together

MOLECULES

CELL ORGANELLES

• Parts that make the cell like: nucleus, cell membrane, chloroplasts

CELL ORGANELLES

CELLS

• Building blocks of life – smallest living thing is made of one cell – humans are made of billions

CELLS

TISSUES

• A group of cells working together

TISSUES

ORGANS

• A group of tissues working together

ORGANS

ORGAN SYSTEMS

• A group of organs working together

ORGAN SYSTEMS

ORGANISMS / SPECIES

• A unique living thing

ORGANISMS/SPECIES

POPULATIONS

• More than one organism living together in one place

POPULATIONS

COMMUNITIES

• Different populations living in one place together

COMMUNITIES

ECOSYSTEMS

• A community of living things interacting with non-living things in one place

ECOSYSTEMS

BIOSPHERE

• All the parts of the Earth that support life – atmosphere, hydrosphere, lithosphere, and living things

BIOSPHERE

PLANETS

• A celestial body large enough to have its own gravitational pull ( and that has been shaped into a sphere by that gravity)

PLANETS

SOLAR SYSTEMS

• A collection of planets orbiting the same star/sun

SOLAR SYSTEMS

GALAXIES

• A collection of solar systems, stars, gas, and dust

GALAXIES

THE KNOWN UNIVERSE

• Everything: all galaxies, space, matter and energy

THE KNOWN UNIVERSE