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Chapter 17 (17.1 - 17.3) Crossword

Across
A group of species that share a common ancestor
Vertebrates that have 4 limbs
The Linnaean classification has ___ because of the technology of that time period
The science of naming and classifying organisms
The more closely related species are, the more derived characters they will BLANK
The basic taxon in the Linnaean system
A multilevel scale in which each level is “nested” in the next-high level
A system that gives each species a two-part scientific name using Latin words
Each place where a branch splits in a cladogram
BLANK evolution is evolution towards similar characteristics in unrelated species
Plural for taxon
The Linnaean classification system only focused on BLANK similarities.
_____evidence reveal species’ relatedness.
Nodes represent the most BLANK common ancestor shared by a clade
An evolutionary tree is always a work in BLANK.
Plural for phylum
Includes one or more physically similar species that are thought to be closely related
Another item that can show branching diagrams for phylogenies (BLANK Diagram)
First level of the classification system
Down
Classification based on common ancestry
Third level of the classification system
Used to help learn about evolutionary relationships (Example: macromolecule)
Traits that can be used to figure out evolutionary relationships among a group of species; shared by some species but are not present in others
A group of species that share no derived characteristics with other groups.
Scientists now use BLANK similarities to see if species are related.
The evolutionary history for a group of species
The species part of the scientific name is always BLANK
The process used to identify clades.
Fifth level of the classification system
Fourth level of the classification system
An evolutionary tree that proposes how species may be related to each other through common ancestors
The more closely ___ species are, the more derived characteristics they will share.
Also used to help learn about evolutionary relationships (Example: sequence of DNA)
Second level of the classification system
A group of organisms in a classification system
DNA is considered by many scientists to have the BLANK word when figuring out how related two species are to each other.
Clade is the ____ for Cladistics and Cladogram