Intro. Jan 18th session Flashcards
Chapter 1 definitons
An organism’s ___ to its
environment are the result of
evolution.
Adaptations
__________ is the process of
change that has resulted in the
astounding array of organisms
found on Earth
Evolution
Evolution is:
a process of biological change in which organisms
gradually accumulate differences from their ancestors
Science
Inquiry
the search for information and explanation of natural
phenomena
Biology is:
the scientific study of life
Hypothesis
is an explanation based on observations
and assumptions that leads to a testable prediction.
Experiment
a scientific test, often carried out under controlled
conditions
Give three characteristics of a Theory (in comparison to hypothesis)
*Broader in scope than a hypothesis
* General enough to lead to many new testable hypotheses
* Supported by a large body of evidence in comparison to a hypothesis
What are the three types of variables?
Experimental Variables
* The factor that is manipulated and the effect of the factor on the system
Independent Variable
* The factor manipulated by the researchers
Dependent Variable
* The effect of the manipulated factor
List the unifying themes that help to organize biological
information
– Organization
– Information
– Energy and matter
– Interactions
– Evolution
List the (10) Levels of Biological
Organization in order from BIGGEST to smallest.
- Biosphere
- Ecosystems
- Communities
- Populations
- Organisms
- Organs
- Tissues
- Cells
- Organelles
- Molecules
Life Requires the Transfer and
Transformation of _____ and ______
Energy and Matter
Qualitative vs Quantitative data?
Qualitative: descriptions rather than
measurements
Quantitative: recorded measurements, which
are sometimes organized into tables and graphs
Each chromosome contains
one long DN A molecule with
hundreds or thousands of
genes. Define Genes:
the units of
inheritance that transmits
information from parents to
offspring
