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Journal Entry:

What does BLAST stand for? What is it use for?

Learning Intentions

• You can construct a phylogenetic tree and/or cladogram using traits that are either derived or lost due to evolution to show the relatedness of two species.

• You can describe how phylogenetic trees/cladograms illustrate speciation, in that relatedness of any two groups on the tree is shown by how recently two groups had a common ancestor.

• You describe how phylogenetic trees/cladograms can be constructed from similarities of species using morphology of living or fossil organisms, and from DNA and protein sequence similarities by employing computer programs that have sophisticated ways of measuring and representing relatedness among organisms.

• You can use BLAST computer program to determine species relatedness to create a phylogenetic tree.

Content Standards being covered:

Topics:
EVO-1.M Describe the types of data that provide evidence for evolution.
EVO-1.N Explain how morphological, biochemical and geological data provide evidence that organisms have changed over time.
EVO-2.B Describe the fundamental molecular and cellular features shared across all domains of life, which provide evidence of common ancestry.
EVO-3.B Describe the types of evidence that can be used to infer an evolutionary relationship.
EVO-3.C Explain how a phylogenetic tree and/or cladogram can be used to infer evolutionary relatedness. 

Science Practices:
2.A Describe characteristics of a biological concept, process, or model represented visually.
2.D.c Represent relationships within biological models, including flowcharts.

Habits of Mind/Life skills being covered:

Applying past knowledge to current situations