Chapter 1- Introduction to Living Things Flashcards
Define cell.
The basic unit of structure and function in living organisms
Define organism.
Living thing
Define unicellular.
One-called organism, responsible for carrying out all functions to stay alive
Define multicellular.
Many cells that are each specialized to do a specific task
Define development.
An organism becoming more complex
Define stimulus.
A change that causes an organism to react
Define response.
A change in an organism’s behavior
Define metabolism.
Chemical reactions that either build up or break down materials
Define spontaneous generation.
The mistaken idea that living things come from nonliving sources
Define controlled experiment.
A scientist carries out a series of tests that are identical in every respect except for one factor, which is the manipulated variable
Define asexual reproduction.
When 1 parents produces the offspring, offspring is identical to parent
Define autotroph.
When an organism gets energy from the sun to make food
Define heterotroph.
When an organism gets energy from eating other organisms
Define sexual reproduction.
When 2 parents produce offspring, offspring has a genetic combination of both parents
Define homeostasis.
An organism’s ability to maintain stable internal conditions
