unit 1-1.3 Flashcards
what is structure
how something is made up
what is function
what something does/performs
what is biology
the study of life
what are cells
the structural and functional units of life
how does the structure or a wheel determine its function
It’s round so it can roll and move stuff easily
how does having a popped tire make the functionality of a wheel different?
It makes it so that the wheel doesn’t roll as well so the functionality is worse.
what is life characterized by?
highly ordered structures
what is the PMC model
program, metabolism, container
what does program mean in the PMC model
it means that all living things have DNA which is life’s program
what does metabolism mean in the PMC model
it means that all things process and use energy.
what does container mean in the PMC model
it means that all living things have cells and maintain homeostasis.
what characteristics define nonliving things
they don’t need energy, they don’t have DNA and they don’t have living cells
what are the categories of non living things
never lived, has potential to live, once lived, product of a living thing
what is the smallest level of organization?
atom
what is the largest level of organization?
biosphere
