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Biology > UNIT 4 LIST 1 EVOLUTION > Flashcards

UNIT 4 LIST 1 EVOLUTION Flashcards

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1
Q

what is a amino acid sequencing ?

A

process of identifying the arrangement of amino acids in proteins

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2
Q

what is analogous structure

A

biological structures having similar or corresponding functions but not from the same evolutionary origin

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3
Q

what is anatomy

A

study of the structure of a plant or animal

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4
Q

what is biochemical evidence

A

use of molecular biology techniques to study the chemical processes and substances that occur within living organisms

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5
Q

what is biogeography

A

study of the geographic distribution of plants, animals, and other forms of life

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6
Q

what is cladogram

A

diagram that shows relationships between species

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7
Q

what is common ancestry

A

Ancestral organism shared by two or more descendent lineages

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8
Q

what is descent with modifucation

A

passing traits from parent to offspring

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9
Q

what is DNA sequencing

A

process of determining the sequence of nucleotides (As, Ts, Cs, and Gs) in a piece of DNA

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10
Q

what is embryo

A

early developmental stage of an animal while it is in the egg or within the uterus of the mother

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11
Q

what is embryology

A

branch of biology dealing with embryos and their development

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12
Q

what is electrophoresis

A

laboratory technique used to separate DNA, RNA or protein molecules based on their size and electrical charge

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13
Q

what is a evolutionary tree

A

represents the evolutionary relationships among a set of organisms or groups of organisms

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14
Q

what is a fossil record

A

made up of all the fossils that have been found, along with their relative ages

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15
Q

what is homologous structure

A

having the same relative position, value, or structure

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16
Q

what is homologous

A

Having similar or corresponding features

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17
Q

what is paleontology

A

study of extinct or extinct prehistoric species

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18
Q

what is phenotypic similarity

A

measure of functional redundancy within homologous gene families

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19
Q

what is phylogeny

A

evolutionary history of a species or group

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20
Q

what is phylogenetic tree

A

diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.

21
Q

what is vestigial structures

A

non-functional features fully developed and functioning in earlier species but serve little or no present purpose for an organism

22
Q

what are sedimentary layers

A

layer of rock that has a uniform lithology and texture

23
Q

what Is adaptation

A

act of changing something or changing your behavior to make it suitable for a new purpose or situation

24
Q

what is behavior

A

how someone acts

25
Q

what is completion

A

organisms that strive for the same resources in the same place

26
Q

what is fitness

A

organism’s ability to pass its genetic material to its offspring

27
Q

what I sa gene pool

A

combination of all the genes (including alleles) present in a reproducing population or species

28
Q

what is genetic variation

A

difference in DNA sequences between individuals within a population

29
Q

what is geographic isolation

A

term used to describe the physical separation of populations of organisms from one another due to geographical barriers

30
Q

what I smorphology

A

study of the internal structure of words

31
Q

what is natural selection

A

process through which populations of living organisms adapt and change

32
Q

what is phenotypic expression

A

observable characteristics in an organism that results from the expression of genes.

33
Q

what is physiology

A

study of how the human body works

34
Q

what is population

A

whole number of people or inhabitants in a country or region

35
Q

what is reproductive isolation

A

set of barriers that exist between different species that make them unable to breed and produce healthy offspring

36
Q

what is sexual selection

A

process by which individuals compete for access to mates and fertilization opportunities

37
Q

what is speciation

A

new kind of plant or animal species is created

38
Q

what is species

A

group of organisms that can reproduce with one another in nature and produce fertile offspring

39
Q

what are traits

A

specific characteristic of an individual

40
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47
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48
Q
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Biology (7 decks)

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