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Related species have similar embryos.
Such similarities are taken to be evidence of common ancestry.
" Blast " gives this away as construction in the organism. Forms the outer wall of the fetal placenta. Easy Google.
Trace
trace
Related species have similar embryos.
Taxonomy deals with classification, a Taxonomist uses physical features of an organism to classify it.
Such similarities are taken to be evidence of common ancestry.
Species is the lowest subgroup for classifying organisms.
Biology
phylum
Scientists most likely consider KNOWN characteristics of KNOWN and named organisms when first classifying an unknown organism. They look for similarities and differences between what is known versus unknown. Major differences exclude known categories; strong similarities include the new organism into a known category. This is how scientists continually build a "family tree" of every organism.
Taxonomy is the science of naming and classifying biological organisms on the basis of shared characteristics.
" Blast " gives this away as construction in the organism. Forms the outer wall of the fetal placenta. Easy Google.
He used a special method which was very efficient at classifying organisms.
Vertabata
The 6 kind of data used to classify an organism are: taxonomy, taxonomist, and biochemical, and chromosal information, physical and structural information. All of these are classified as living things.