Biology Ch.1 

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Natural selection

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31 Terms

1

Natural selection

________: is a mechanism for evolution; variation of a feature, certain versions are advantageous; it is heritable.

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2

Darwin

________ was not the first to propose evolution.

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3

Life

________ is constrained by the properties of chemistry and physics.

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4

Biosphere

________: all ecosystems together (Earth) ________: all ecosystems together (Earth)

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5

Biology

________ is the study of life.

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6

Reductionism

________: the general approach of biochemistry.

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7

Deductive Reasoning

________: from general to specific ideas.

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8

Inductive Reasoning

________: from specific ideas to general ideas.

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9

Genome

________: entire set of DNA instructions.

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10

Gene

________: particular segment of DNA or discrete unit of inheritance.

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11

Population

________: particular species in a particular place.

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12

Dependent Variable

________: result or what you measure.

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13

Gene Theory

________: organisms have coded info that determine form, function and to some extent behavior.

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14

Independent Variable

________: the one that we change.

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15

Energy Utilization (reactions in a cell

exergonic)

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16

Population

particular species in a particular place

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17

Community

interacting population

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18

Ecosystem

community plus physical environment

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19

Inductive Reasoning

from specific ideas to general ideas

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20

ex

establishing a cell theory

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21

Deductive Reasoning

from general to specific ideas

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22

Independent Variable

the one that we change

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23

Dependent Variable

result or what you measure

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24

Scientific Theory

elevating conclusions to a level of theory

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25

Evolution Theory

common ancestor an adapted

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26

Biogenesis Theory

life only comes from life

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27

Gene Theory

organisms have coded info that determine form, function and to some extent behavior

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28

Natural selection

is a mechanism for evolution; variation of a feature, certain versions are advantageous; it is heritable

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29

Genome

entire set of DNA instructions

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30

Gene

particular segment of DNA or discrete unit of inheritance

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31

Reductionism

the general approach of biochemistry

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