CH1 Scientific Thinking

Question 1

All LIFE is based on…

Answer 1

cels

Question 2

all life acquires ENERGY from environment thru…

Answer 2

Metabolism

Question 3

All life is able to…

Answer 3

REPRODUCE independently

Question 4

Atoms

Answer 4

1 smallest form of matter

Question 5

Molecules

Answer 5

aka. macromolecules = collection of atoms

Question 6

Cells

Answer 6

Collections / assembles of MACROMOLECULES

Question 7

Tissues

Answer 7

Collection of cells

Question 8

Organ

Answer 8

Collection of different tissues

Question 9

Organism

Answer 9

Collection of organs

Question 10

Population

Answer 10

collection of organisms of the same species (Family)

Question 11

Community

Answer 11

collection of populations of different species (town/city)

Question 12

EcoSystem

Answer 12

Collection of different communities (country)

Question 13

Biosphere

Answer 13

Collection of all ecosystems on EARTH

Question 14

Life on earth began … yrs. ago

Answer 14

3.5 - 4 Billion

Question 15

Vertical Decent

Answer 15

• Most common
• progression of change in a lineage
• New species evolve from pre-existing species
• accumulation of mutations
• NATURAL SELECTION

Question 16

*** Horizontal Gene transfer

Answer 16

• ** Genetic exchange between different species (MRSA)

- Relatively rare

Question 17

Taxonomy

Answer 17

Grouping species based on common ancestry

Question 18

*** Bacteria

Answer 18

*** Unicellular PROkaryote

Question 19

*** Archea

Answer 19

*** Unicellular PROkaryote

Question 20

*** Eukarya

Answer 20

*** Uni - Multi cellular

Question 21

x4 Kingdoms

Answer 21

1. Protista
2. Fungi
3. Plantea
4. Animalia

Question 22

Binomial Nomenclature

Answer 22

*** Genus : Name Capitalized
specific epithet not capitalized
BOTH italicized
eg. HOMO sapien

Question 23

***Genome

Answer 23

The complete genetic makeup of an organism

- All DNA present in one cell

Question 24

Genomics

Answer 24

Techniques used to analyze DNA

Question 25

*** Proteomes

Answer 25

complete sum of proteins that a cell can make

Question 26

*****Gene Expression (CENTRAL DOGMA)

Answer 26

DNA---> RNA --> PROTEINS --> TRAITS

Question 27

*** Hypothesis

Answer 27

Proposed explanation for a natural phenomenon | - NARROW IN SCOPE

Question 28

*** Theory

Answer 28

Broad Generalization of an aspect of the natural world substantiated by a large body of evidence - REPEATEDLY TESTED

Question 29

*** Law / Principle

Answer 29

Universal truth considered correct under ALL conditions | - ALWAYS VALID

Question 30

2 Approaches to testing:

Answer 30

1. discovery Based science (observation) | 2. Hypothesis testing (experimentation)

Question 31

**** STEPS OF HYPOTHESIS TESTING | Oh Hell To All Cats

Answer 31

1. Make Observations 2. Form Hypothesis 3. Test Hypothesis 4. Analyze Data 5. Form Conclusion

Question 32

*** Treatment

Answer 32

any experimental condition applied

Question 33

*** Experimental Group

Answer 33

group exposed to treatment

Question 34

*** Control Group

Answer 34

Group Identical to exp. group but not exposed to treatment

Question 35

*** Variables

Answer 35

characteristics of experimental system subject to change

Question 36

*** Statistics

Answer 36

analytical & and mathematical tools giving understanding to the data gathered