BIOL100 Week 1 Dowdy
Popular in Human Biology
Popular in Biology
This 2 page Class Notes was uploaded by Tiffany Le on Monday September 22, 2014. The Class Notes belongs to Biol 100 at a university taught by a professor in Fall. Since its upload, it has received 64 views.
Reviews for BIOL100 Week 1 Dowdy
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 09/22/14
8272014 BIOL 100 DOWDY Chapter 1 BIOLOGY 6 Study of living things 0 Characteristics shared 7 THINGS i complex organized structure o we re all made of atoms 0 atoms gt molecules gt cells aka basic unit of life gt tissue gt organs gt organ systems there are 11 different ones gt organism ii homeostasis processes to maintain a relatively constant internal environment o big theme for the cass o example body temperature 0 normal 37 C gt set point in body by hypothalamus natural thermostat for body as well as for water retainment hunger and etc 0 too high body will sweat evaporation of sweat cooling off behavioral changes include thirst for water and resting to cool down 0 too low body will shiver teeth chattering leads to muscles being used and heat will be released as a byproduct blood flow will redirect away from skin to keep heat to the core of the body iii growth o if it grows it s living o example bacterial cell is living because it doubles in size iv metabolism o overall amount of chemical reactions in an organism v response to stimuli o external someone pinches you you inch o internal feeling hungry vi reproduction o can pandas reproduce yes so they re living o can rocks reproduce no so they re not living vii evolution o fundamental characteristic of living things o changing genetically over time SIDE DISCUSSION pyrogen molecule released by certain bacteria and white blood cells WBC pyro heat makes us have a fever fevers why do they occur Theory 1 speeds up metabolism to speed up WBCs Theory 2 lets you know that the body is ridding an infectious agent 0 O O O SCIENTIFIC METHOD 0 question gt hypothesis gt experiment control group amp experimental group necessary 1 variable only large sample size needed in order to make generalizations placebo part of the experiment that allows for better control of the experiment o example Scientist trying out new medicine One group gets the real medicine being tested the other group gets a sugar pill that will cause no effects Sugar pill the placebo o often part of blind studies and double blind studies 0 blind study all participants do not know which group control vs experimental they are in 0 double blind study neither the participants nor the experimenter knows who is in the controlexperimental group o helps prevent bias in results 0 why do that o Sometimes companies hire scientists to test their product Scientists wanna be paid the big bucks so they might have bias for the product being tested
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'