Biology Chapter 1 Flashcards
What are the 7 characteristics of all living organisms?
- Composed of cells
- complex & ordered
- respond to their environment
- can grow, develop & reproduce
- obtain & use energy
- maintain internal balance
- all for evolutionary adaptation
___ is the basic unit of life
cell
What are 3 examples in the organismal level
tissues, organs, organ systems
List in order the hierarchical organization of life.
Cellular level, organismal level, population level, ecosystem, biosphere
Life is an ____ property
emergent
Science aims to understand the natural world through __ & ___
observation & reasoning
Science begins with observations, therefore much of science is purely ____
descriptive
_____ uses general principles to make specific predictions
deductive reasoning
____ uses specific observations to develop general conclusions
inductive reasoning
What is the systematic approach scientists use to gain understanding of the natural world?
observation, hypotheses formation, prediction, experimentation, conclusion
__ is a possible explanation for an observation; must be tested to determine its validity
hypothesis
___ is when a hypotheses can be changed and refined with new data
iterative
__ provide way to test the validity of hypotheses
predictions
__ is to break a complex process down to its simpler parts
reductionism
__ is the focus on emergent properties that can’t be understood by looking at simpler parts
systems biology