Finals-Chapter 1 Flashcards
What is scientific methodology
involves observing and asking questions, forming hypothesis, conducting controlled experiments, collecting and analyzing data, and drawing conclusions
What is science
An investigation of nature
An understanding of nature
Explanation of events in nature
Biology
the study of life
Cell
basic unit of structure and function of all living things
DNA
genetic code in all living things
Autotrophs
organisms able to make their own energy from raw materials in their environment
Heterotrophs
organisms unable to make their own energy from raw materials in their environment
Response
reaction to a stimulus
Stimulus
anything that makes you react
Homeostasis
a biological balance where organisms maintain stable internal conditions
Evolve
to change over a long period of time
Hypothesis
a tentative scientific explanation that can be tested by further observation or experimentation
Inference
a logical interpretation based on what scientists already know
Theory
a tested, highly reliable scientific explanation
Development
the ability of cells to become different
