Evolution And Classification Flashcards

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1
Q

Evidence of evolution

A
  1. Accent organism remains
  2. Fossil layers
  3. Similarities in DNA
  4. Similarities among organisms alive today
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2
Q

What are the forces of evolution?

A

Mutation, gene flow, genetic drift, natural selection

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3
Q

What is the most accurate evolution theory?

A

Darwin theory. Natural selection

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4
Q

Speciation -

A

The evolutionary process by which populations evolve to become distinct species

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5
Q

How can we distinguish one species from another?

A

By basing on reproductivity

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6
Q

What is the system for classifying species?

A

That all species belong to a ‘genus’, a ‘family’, an ‘order’, a ‘class’, a ‘branch’, a ‘kingdom’

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7
Q

What is the order of taxa?

A

Kingdom is always ranked the highest followed by division, class, order, family, genus and species

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8
Q

Binomial nomenclature

A

Formal system of naming species of living things

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9
Q

Binomial nomenclature. The first part of the name -

A

The generic name - identifies the genus to which name the species belong

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10
Q

Binomial nomenclature. The second part of the name -

A

The specific name - identifies the species within the genus

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11
Q

Domains -

A

The highest taxonomic rank of organisms in the three-domain system

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12
Q

Domain characteristics and differences:

A

Bacteria: cells do not contain a nucleus
Archaea: cells do not contain a nucleus; they have different cell walls from bacteria
Eukarya: cells contain a nucleus

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13
Q

Kingdom-

A

A second highest taxonomic rank, just bellow domain

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14
Q

Kingdom characteristics

A

Cell structure, made of nutrition, made of reproduction and body organisation

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15
Q

What are the kingdoms?

A

Animal, plant, fungi, protist, monera

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16
Q

Differences between kingdoms

A

Monera: one cell, primitive nucleus
Fungi: absorb food
Animal: multicellular, eat food
Plant: make their own food, mostly green
Protist: cell wall made of cellulose