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Bio 100
Chapter One: Learning About Human Biology
40
Biology
Undergraduate 1
01/16/2011

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Term
Cell
Definition
An organized unit that can survived and reproduce by itself, using energy necessary raw materials, and DNA instructions
Term
Homeostasis
Definition
A state of overall chemical and physical stability that is required for survival of cells and the body as a whole.
Term
Primates
Definition
A distinct group of mammals that includes humans, apes, and their close relatives.
Term
Five Basic Characteristics of Life
Definition
1.They take in and use energy and materials. 2) they sense and response to changes in the environment. (3) they consist of one or more cells. (4)they maintain homeostasis. (5) they resproduce and grow based on instructions in DNA.
Term
Evolution
Definition
change over time
Term
Vertebrate
Definition
An animal that has a backbone
Term
Homeo stasis
Definition
staying the same
Term
What domain are humans in the animal kingdon
Definition
Eukarya
Term
Organism are connected through what?
Definition
The flow of energy and cycling of materials
Term
Plants are considered what?
Definition
Producers--- they trap energy by photosynthesis
Term
Animals (humans)
Definition
Consumers---feeds on the stored energy in plants, using cellular respiration
Term
Bacteria and Fungi
Definition
Decomposers--break down the biological molecules of other organisms in order to recycle raw materials
Term
Five distinctive features of humans are
Definition
1)Increase dexterity, (2)Large Brain, (3)Analytical skills, (4)Sophisticated communications, (5)Culture
Term
Life's organization
Definition
Atom, Molecules, Cells, Tissues, Organs,
Organ System, Organism, Population, Community, Ecosystem, Biosphere.
Term
Atom:
Definition
The smallest unit having the properties of a given element
Term
Molecules
Definition
A unit or matter in which chemical bonding holds together two or more atoms of the same or different elements.
Term
Tissue
Definition
A group of cells and intercellular substances that function together in one or more specialized tasks.
Term
Organ
Definition
A body structure of definite form and function that is composed of more than one tissue
Term
Organ System
Definition
Two or more organs that interact chemically, phsically, or both in performing a common task.
Term
Population
Definition
A group of individuals of the same species occupying a given area
Term
Community
Definition
The populations of all species occupying a habitat; also applied to groups of organism with similar lifestyles in a habitat.
Term
Ecosystem
Definition
An array of organisms and their physical environment, all of which interact through a flow of energy and a cycling of materials
Term
Biosphere
Definition
All part of the Earth's waters, crust, and atmosphere in which organisms live.
Term
Control Group
Definition
In an experiment, a group of which one or more experimental groups can be compared.
Term
Experiment
Definition
A test carried out under controlled conditions that the researcher can manipulate
Term
Hypothesis
Definition
A proposed explanation for an observation or how a natural process works or ( An educated guess)
Term
Sampling Error
Definition
Distortion of experimental results, often because the sample size is too small.
Term
Scientific Method
Definition
Any systematic way of obtaining information about the natural world
Term
Science
Definition
a systematic way of getting information about the natural world. (or a study of nature)
Term
Variable
Definition
A factor that can change over time or under different circumstances
Term
Scientific Method Steps
Definition
Observation, Ask question, Hypothesis, Prediction, test the prediction, repeat the test or develop new ones, Conclusion.
Term
Critical Thinking (Evidence-based)
Definition
Using systematic, objective strategies to judge the quality of information
Term
Fact
Definition
Verifiable information, not opinion or speculation.
Term
Opinion
Definition
A subjective Judgement
Term
Critical thinking guide and checklist
Definition
Do gather information, Don't rely on heresay, Do look for facts that can be checked independently, Don't confused cause with correlation, Do separate facts from opinion
Term
Critical thinking is evidence-based
Definition
It is required for doing science and is also a smart strategy in life.
Term
Critical thinking is what?
Definition
An objective evaluation of information.
Term
Scientific Theory
Definition
A thoroughly tested explanation of a broad range of natural events and observation.
Term
Antibiotic
Definition
A substance that can kill microorganisms
Term
Emerging Disease
Definition
A disease caused by a pathogen that until recently did not infect humans, or did so only rarely.
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