Levels of Organization Flashcards
extensive geographical area characterized by similar plant communities (ie. pond, desert)
biome
a community together with its nonliving surroundings
ecosystem
two or more populations of different species living and interacting in the same area
community
members of one species inhabiting the same area (at the same time)
population
very similar, potentially interbreeding organisms
species
an individual living thing composed of many cells
multicellular organism
two or more organs working together in the execution of a specific bodily function
organ system
a structure within an organism usually composed of several tissue types that form a functional unit
organ
a group of similar cells that perform a specific function
tissue
the smallest unit of life
cell
a structure within a cell that performs a specific function
organelle
a combination of atoms
molecule
the smallest particle of an element that retains the properties of that element
atom
particles that make up an atom
subatomic particle
particles that make up protons and neutrons
quark