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biology 11 > Biodiversity Unit > Flashcards

Biodiversity Unit Flashcards

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0
Q

What is the system that names all species

A

Binomial nomenclature

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1
Q

What is Taxanomy

A

The science of naming, identifying and classifying species

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2
Q

Who developed binomial nomenclature

A

Carolus Linnaeus a Swedish botanist

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3
Q

What does binomial nomenclature mean

A

Binomial means two parts nomenclature means naming system

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4
Q

How many parts of names do each species have

A

Each species has a two part name

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5
Q

What does the first word of the name refer to

A

The genus

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6
Q

What does the second part of the name refer to

A

Identifies the particular species in the genus

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7
Q

What language are the names in binomial nomenclature written in

A

Latin the common language at the time

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8
Q

What is the scientific name of an animal called

A

Binomial nomenclature

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9
Q

How should scientific names be typed in and written in

A

Typed in italics written with an underline

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10
Q

How are the species and genus written

A

Species in lower case, genus is capitalized

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11
Q

How many categories are in Linnaeus’s system? And what are they

A

There are 8, they are called taxons

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12
Q

What purpose does categorizing in taxons do?

A

Helps to limit number of species, becoming more specific until only one animal remains

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13
Q

What are the 8 taxons in order?

A

Domain, kingdom, phylum, class, order, family, genus, species

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14
Q

Can there be sub categories within taxons

A

Yes

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15
Q

How many species concepts are there

A

3

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16
Q

What are the three species concepts called

A

Morphological, biological, phylogenetic

17
Q

What is the morphological species concept

A

It focuses on the morphology or the structure/form of an organism, relies on comparing measurements and descriptions of organisms, takes into account life cycle changes and variations

18
Q

What is the biological species concept

A

It focuses on similar characteristics and if organisms can interbreed naturally and produce viable, fertile offspring

19
Q

What is the phylogenetic species concept

A

It focuses on the evolutionary relationships with other organisms, phylogeny is the evolutionary history of an organism, says a species is a cluster of organisms, distinct from others & shows patterns of relationships, a diagram of this is a phylogenetic tree

20
Q

What are species

A

A group of organisms that can interbreed naturally and produce fertile offspring

21
Q

How many species have been identified

A

2 million

22
Q

What is a dichotomous key ( dio toe mus)

A

An identification tool that biologists use to identify organisms

23
Q

What 2 part statements lead the user to correct ID of an organism

A

Dichotomous key

24
Q

What refers to the variety of life in the world

A

Biodiversity

25
Q

How many types of biodiversity are there

A

3

26
Q

What are the three types of diversity

A

Genetic, species, ecosystem

27
Q

What is genetic diversity

A

The sum of all different forms of genes in a particular species

28
Q

What are genes

A

Units of inherited info that determine specific characteristics or functions

29
Q

What allows populations to change and adapt, evolove, to changes over time

A

The fact that within a population, slight differences in genes occur between individuals

30
Q

What is a gene pool

A

The sum of all the versions of genes in a population

31
Q

What is species diversity

A

The variety and abundance of species in a given area, allows ecosystems to survive Eco changes like droughts, disease outbreaks

32
Q

Each species contributes to the success of the whole ____

A

Ecosystem

33
Q

What is ecosystem diversity

A

The variety of ecosystems in the biosphere

34
Q

What does an ecosystem include

A

The diverse range of habitats, the various organisms that live in habitats and the relationships that connect them

35
Q

How big are ecosystems

A

Trick Q they can be as small as a veg. Garden, or as big as Hudson Bay

36
Q

What is the highest and broadest taxon of which there are three

A

Domain

37
Q

Domain Eukarya are

A

Eukaryotic cells, unicellular (1 cell) and multicellular

38
Q

What two domains are very similar

A

Domain Eubacteria and Archaea

39
Q

Domains Eubacteria and Archaea are

A

Prokaryotic cells and are only unicellular

biology 11 (10 decks)

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