Bio 189 Exam 1
Sci ence A process of knowi ng about nature
Mi ssi on of Sci ence To know about nature
4 goal s of sci ence Descri be, Cl assi fy, Expl ai n, and communi cate about nature
E mpi ri ci sm Knowl edge i s attai nabl e onl y through experi ence and observati on
Data Recorded observati ons; raw materi al of sci ence
1. Observati on 2. Hypothesi s 3. Predi cti on
5 steps of Hypotheti co-deducti ve method
4. Test/Outcome 5. Concl usi on
Correl ati on Rel ati onshi p among two (or more) factors
Posi ti ve correl ati on A d i re c t rel ati onshi p between factors, factors change i n same manner
, Bio 189 Exam 1
Ani nd i re c t / i nve rse rel ati onshi p between factors, factors change i n opposi te
Negati ve correl ati on
manners
Way magni tude expressed. Strong r2- 1
Coeffi ci ent r2
Weak r2- 0
Do correl ati ons tel l causati on? What does? No, experi ments do
3 questi ons you shoul d ask about predi cti on before proceedi ng to testi ng I s i t l ogi cal , testabl e, ethi cal ?
1. I ndependent 2. Dependent 3. Standardi zed Vari abl es 4. Experi mental Group
5 el ements of experi ments
5. Control Group
Property of ani mal s & pl ants that enabl es us to use food, grow, reproduce, ect. -
Li fe
ends i n death
1. Di verse Mol ecul es 2. Metabol i ze
3. Cel l ul ar organi zati on 4. Expends energy to mai ntai n boundari es 5. Homeostasi s
10 properti es of Li fe 6. Respond to Sti mul i 7. Prol i ferates
8. Grows & devel ops 9. Gui ded by genome
10. Adapts to change
Break down thi ngs for metabol i sm; carry out a speci f i c bi ochemi cal reacti on;
E nzymes
catal yze al l rxn
, Bio 189 Exam 1
1. Water 2. Oxygen 3. F ood
We must i ngest:
1. Bui l d bi omass 2. carry out l i fe-gi vi ng chem processes 3. extract energy to power
Used to:
l i vi ng
We must excrete: 1. Carbon di oxi de 2. Urea 3. F eces
Used to: 1. Mai ntai n pH 2. prevent toxi ci ty 3. Make room
Sustai n l i fe by set of pathways & processes for bi ota to exchange materi al s wi th
Metabol i sm
envi ronment
Cel l Basi c uni t of l i fe; Bi omass of al l bi ota
Homeostasi s Regul ate body systems
Homeostati c set poi nt Basel i ne
1. Sti mul us 2. Receptor 3. I ntegrati on center
El ements of F eedback
4. Efector
Negati ve feedback Regul ates & moderates processes; Effector acti on returns val ue back to basel i ne
Sci ence A process of knowi ng about nature
Mi ssi on of Sci ence To know about nature
4 goal s of sci ence Descri be, Cl assi fy, Expl ai n, and communi cate about nature
E mpi ri ci sm Knowl edge i s attai nabl e onl y through experi ence and observati on
Data Recorded observati ons; raw materi al of sci ence
1. Observati on 2. Hypothesi s 3. Predi cti on
5 steps of Hypotheti co-deducti ve method
4. Test/Outcome 5. Concl usi on
Correl ati on Rel ati onshi p among two (or more) factors
Posi ti ve correl ati on A d i re c t rel ati onshi p between factors, factors change i n same manner
, Bio 189 Exam 1
Ani nd i re c t / i nve rse rel ati onshi p between factors, factors change i n opposi te
Negati ve correl ati on
manners
Way magni tude expressed. Strong r2- 1
Coeffi ci ent r2
Weak r2- 0
Do correl ati ons tel l causati on? What does? No, experi ments do
3 questi ons you shoul d ask about predi cti on before proceedi ng to testi ng I s i t l ogi cal , testabl e, ethi cal ?
1. I ndependent 2. Dependent 3. Standardi zed Vari abl es 4. Experi mental Group
5 el ements of experi ments
5. Control Group
Property of ani mal s & pl ants that enabl es us to use food, grow, reproduce, ect. -
Li fe
ends i n death
1. Di verse Mol ecul es 2. Metabol i ze
3. Cel l ul ar organi zati on 4. Expends energy to mai ntai n boundari es 5. Homeostasi s
10 properti es of Li fe 6. Respond to Sti mul i 7. Prol i ferates
8. Grows & devel ops 9. Gui ded by genome
10. Adapts to change
Break down thi ngs for metabol i sm; carry out a speci f i c bi ochemi cal reacti on;
E nzymes
catal yze al l rxn
, Bio 189 Exam 1
1. Water 2. Oxygen 3. F ood
We must i ngest:
1. Bui l d bi omass 2. carry out l i fe-gi vi ng chem processes 3. extract energy to power
Used to:
l i vi ng
We must excrete: 1. Carbon di oxi de 2. Urea 3. F eces
Used to: 1. Mai ntai n pH 2. prevent toxi ci ty 3. Make room
Sustai n l i fe by set of pathways & processes for bi ota to exchange materi al s wi th
Metabol i sm
envi ronment
Cel l Basi c uni t of l i fe; Bi omass of al l bi ota
Homeostasi s Regul ate body systems
Homeostati c set poi nt Basel i ne
1. Sti mul us 2. Receptor 3. I ntegrati on center
El ements of F eedback
4. Efector
Negati ve feedback Regul ates & moderates processes; Effector acti on returns val ue back to basel i ne
