The Science of Life (Chapter 1) Flashcards
1
Q
biology _____ much of natural science
A
unifies
2
Q
living systems are the most _____, _____ systems on earth.
A
complex, chemical
3
Q
life is constrained my the properties of ______ and _______
A
chemistry/physics
4
Q
7 characteristics of all living organisms
A
- composed of cells
- complex and ordered
- respond to their environment
- can grow, develop, and reproduce
- obtain and use energy
- maintain internal balance (homeostasis)
- allow for evolutionary adaptation
5
Q
cellular level
A
atoms, molecules, organelles, cells
6
Q
cell is the _____ unit of life
A
basic
7
Q
organism level
A
tissues, organs, organ system
8
Q
population level:
A
population, community
9
Q
The biological levels of organization
A
- organelles
- cells
- tissues
- organs and organ systems
- organisms, population, and communities
- ecosystems
- the biosphere
10
Q
two types of reasoning
A
- inductive-observations-conclusion
2. deductive-general premise-predicted results
11
Q
Scientific Method
A
- make an observation
- ask a question
- form a hypothesis
- make a prediction based on hypothesis
- do a. experiment to test the prediction
- analyze results
- report results
12
Q
scientific theory
A
- body of interconnected concepts
- supported my much experimental evidence and scientific reasoning
- expresses ideas of which we are most certain
- can change as new information becomes available
13
Q
scientific law ____ changes
A
never
14
Q
cell theory
A
all organisms composed of cells
cells are life’s basic units
all cells come from preexisting cells
15
Q
3 domains
A
bacteria
archaea
eukarya
