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Classification
Classification
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Chapter 18
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
The correct descending order of taxa levels today is
Domain-Kingdom-Family-Class-Order-Phylum-Genus-Species
Domain-Kingdom-Phylum-Class-Order-Family-Genus-Species
Domain-Kingdom-Phylum-Class-Family-Order-Genus-Species
Kingdom-Domain-Phylum-Class-Order-Genus-Species-Family
2
The grouping of organisms based on their common descent is called
Evolutionary Classification
Common Ancestors
Traditional Classification
Derived Characters
3
The domain that contains unicellular organisms that live in extreme environments is
Eubacteria
Archaea
Eukarya
Bacteria
4
A group of species that includes a single common ancestor and all descendants is known as . . .
Phylogeny
Clade
Taxa
Systematics
5
Multicellular organisms can be found in which of the following kingdoms?
Fungi, Plantae, and Anamalia
None of the above
Eubactera and Archaebacteria
Protista only
6
The kingdom that has heterotrophs with cell walls is
None of the above
Plantae
Fungi
Animalia
7
An example of a derived characteristic is
Presence of a backbone in many animal taxa
Presence of hair only in mammals
Presence of four limbs in ancestors of snakes
Retractable claws found with some carnivores
8
Several different families make up a
Genus
Class
Order
Domain
9
For many species there are often regional differences in their
Common Name
Scientific Name
Taxa
Binomial Nomenclature
10
The 3 domains were created because
Eukaryotes and Prokaryotes needed to be divided
Cell protein peptide structures are the same for all species
Kingdom differences were more than 1 common ancestor back
Mutations have greatly increased the number of species
11
The number of Kingdoms observed in modern taxonomic tables is
two
five
seven
six
12
A clade must be based on
Types of movement and food sources
Descendants of many common ancestors
Physical characteristics
Monophyletic groups
13
Similar DNA sequences in genes can be evidence of
Prokaryotes
Mutations
Common ancestry
Different anatomy
14
The cell parts in eukayotic cells that have DNA used to determine evolutionary relationships is
nuclei and mitochondria
ribosomes and mitochondria
chloroplasts and mitochondria
nuclei and ribosomes
15
Linnaean systematics tried to group organisms based on
physical appearances
DNA
evolutionary relationships
food preferences
16
The type of organisms found in Kingdom Protista are
all animals
all plants
all microscopic
mushrooms, yeasts, and molds
17
DNA analysis justified the creation of 3 domains because it showed . . .
Bacteria/Archaea evolved after common ancestor of Eukaryotes
Divergence from a common ancestor occurred recently
Eukaryotes came after a divergence of a common ancestor
There was no common ancestor
18
A trait that arose in the most recent common ancestor of a lineage and passed to offspring is a
Genotype
Phenotype
Derived Characteristic
Phylogeny
19
One of the kingdoms that contain prokaryotes is
Protista
Animalia
Eubacteria
Fungi
20
What recent developed technology allows scientist to compare DNA to determine classifications?
Cloning
Sequencing order of nucleotides
Microscopes
Computers
