lecture 1 Flashcards

1
Q

define evolution

A

populations evolving through time
change through time

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2
Q

differentiate between theory and laws

A

theory’s describe laws explain

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3
Q

what is meant by special creation

A

organisms created by God

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4
Q

what did plato say

A

typological thinking

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5
Q

who discovered scale of nature and what was it about

A

aristotle and it basically explains that organisms are in a linear form and the less complex organisms like minerals are at the bottom and more complex ones are at the top eg human

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6
Q

what was lamarck theory

A

change through time+ scale of nature

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7
Q

why are acquired traits not passed r to the offspring

A

acquired traits are developed by environmental influence so they are not passed to the next generation because they aren’t heritable

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8
Q

explain evolution by natural selection

A

individuals under selection, population is evolving

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9
Q

what is descent with modification and who brought up this idea

A

Origin of species- darwin
Descent with modification- species change through time
and species related by common ancestry

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10
Q

explain evidences of change through time with examples

A

evidence of extinction
transitional forms
fossil records
vestigial traits
vastness of geologic time

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11
Q

what was the earliest form of life detected

A

cyanobacteria

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12
Q

explain eveidence of descent from a common ancestor with examples

A

homology
new species descending from pre existing species
living in the same geographic area

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13
Q

what is genetic homology

A

similarity in DNA RNA or amino acid sequences due to inheritance from a common ancestor

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14
Q

what is developmental homology

A

similarity in developmental processes due to inheritance from a common ancestor

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15
Q

what is a population

A

a group of the same species living in the same geographic area at the same time

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16
Q

scale and the concept of time

A
17
Q

who was the author of the origin of species

A

darwin

18
Q

why is it difficult to see evolution occurring

A

It takes time