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ReTEKS Biology ClassificationandTaxonomy EXP ScienceChallenge

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Classification and Taxonomy

Biology

You are conducting research on an unknown organism found in the jungle. Use the dichotomous key below and the physical characteristics from the front view and the top view in each picture below to identify the correct genus and species name of this unknown primate’s classification.

Front view

Top View

1 a Species has a small, diamond-shaped face

b Species has a large, round-shaped face

2 a Tail is longer than species’ body, allowing for hanging in trees

b Tail is shorter and stumpy go to 3 go to 2 go to 3 go to 4

3 a

b

Species has rounded ear shape

Species has pointed ear shape

Rhesus macaque ( Macaca mulatta) go to step 4

4 a Species has short hair with orange coloration on its backside

b Species has short hair with black or gray coloration on its backside

Central American Squirrel Monkey

( Saimiri oestedil)

Grey-crowned Central American

Squirrel Monkey ( Saimiri oerstedii citrinellus)

1

Classification and Taxonomy

Biology

Once the name of the species is determined, conduct an Internet search to classify the species using the Linnaean Hierarchical System of scientific level of classification.

Kingdom:_______________________________________________________________________

Phylum:________________________________________________________________________

Class: _________________________________________________________________________

Order: _________________________________________________________________________

Family:_________________________________________________________________________

Genus: ________________________________________________________________________

Species: _______________________________________________________________________

Using the Linnaean Hierarchical System of scientific level of classification above, would two animals in the same family be more or less related than two animals in the same genus?

According to the cladogram below, what characteristics would the salamander, lizard, pigeon, mouse, and chimp have in common?

2

Classification and Taxonomy

Biology

Fill in the characteristics table below for each kingdom.

Kingdom

Protista

Kingdom

Fungi

Kingdom

Bacteria

Kingdom

Animalia

Kingdom

Plantae

Kingdom

Archaebacteria

Unicellular

Multicellular

Autotrophs

Heterotrophs

Nucleus

Cell Wall

Motile

Example

3

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