Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
31 Cards in this Set
- Front
- Back
study of life
|
biology
|
|
highest degree of order within an organisms internal and external parts and in its interactions with the living world
|
organization
|
|
smallest unit that can perform all life's processes.
|
cell
|
|
made up of one cell
|
unicellular
|
|
structures that carry out specialized jobs within an organ system
|
organ
|
|
groups of cells that have similar abilities and allow an organ to function
|
tissues
|
|
tiny structures that carry out functions necessary for the cell to stay alive
|
organelles
|
|
chemical compounds that provide physical structure and that bring about movement
|
biological molecules
|
|
What makes up an organism?
|
atom-bilogical molecule-organelle-celle-tissue-organ-organism
|
|
What are the seven characteristics of life?
|
organization, presence of one or more cells, response to stimulus, homeostasis, metabolism, growth and development, reporduction, and change through time.
|
|
maintenance of a stable level of internal conditions even through environmental conditions and constantly changing
|
homeostasis
|
|
sum of all the chemical reactions that take in and transform energy and materials from the environment.
|
metabolism (eg photosynthesis)
|
|
formation of two new cells froman existing cell
|
cell division
|
|
process by which an organism becomes a mature adult
|
development
|
|
producing new organisms
|
reproduction
|
|
a short segment of DNA that contains a single trait of an organism
|
gene
|
|
variety of life
|
diversity
|
|
features all things have in common
|
unity
|
|
tree of life
|
lineage
|
|
what are the three domains of life?
|
bacteria, archaea, eukarya
|
|
what are the six major kingdoms
|
animalia, plantae, fungi, protista, archaea, bacteria
|
|
the branch of biology that studies organisms interacting with each other and the environment
|
ecology
|
|
communities of living species and their physical environments
|
ecosystems
|
|
favorable traits survive and reproduce
|
natural selection
|
|
traits that improve an individual's ability to survive and reproduce.
|
adaptations
|
|
what is the scientific method?
|
observation, hypothesis, prediction, experiment analysis, conclusion
|
|
a normal standard to compre results of the experimental group
|
control group
|
|
one factor is changed from the control
|
experimental group
|
|
the manipulated variable that is different for each group
|
independent variable
|
|
responding variable or what is measured
|
dependent variable
|
|
a highly tested, generally accepted principle that explains a large number of observations and experimental data.
|
theory
|