Science of Life
Terms
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- 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