I. Hierarchical Levels of Biological Organization Flashcards
A. subatomic particles
not too important in biology
B. atom
atoms make up molecules
C. molecule
molecules are the structures that do things inside of cells
D. cell
each cell has many different kinds of molecules
E. tissue
tissues are made up of different particlaur cells and arrangements
F. organ
tissues come together to make organs
G. organ system
if you take a bunch of organs that work together, you make a organ system
H. organism
organisms are made up of many organ systems
I. population
many individual organisms come together to make a population
J. community
multiple populations of different species make up a community
K. ecosystem
a community of organisms living in a place together with the abiotic factors in that place (water, minerals, sunlight, gases, etc.) that the community may need make up the ecosystem
L. biosphere
the largest level of biology, the biosphere, the interaction of all the ecosystems on the planet, different ecosystems interact with each other through the biosphere
The main 5 levels
cell, tissue, organ, organ system, and organism
Example 1: circulatory system
organ system
Example 2: heart
organ
Example 3: cardiac muscle
tissue
Example 4: cardiac muscle cell
cell
