b. Devonian
c. Ordovician
d. Pennsylvanian
Answer:
a
Explanation:
Phylogeny is the type of classification that names and identifies different organisms primarily by their evolutionaryrelationship. The correct option is D.
Phylogenetics is the analysis of the evolutionaryhistory and interactions between or within organism groups in biology.
Phylogeneticinference methods that concentrate on observed heritable traits, including such DNAsequences, protein amino acid sequences, or morphology, are used to determine these relationships.
Thus, the correct option is D.
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Answer:
D. Evolutionary relationships
Explanation:
phylogeny describes the relationships of organisms which evolved on most closely related species
Answer: Gene
Explanation:
Mutation can be defined as the change in the single base pair of the DNA. Each and every trait inside an eukaryotic organism body is controlled by the help of the gene.
Pie bald is also a trait controlled by the genes in the body. Pie bald can be defined as a pattern of unpigmented spots on the pigmented background of scale, feather and hair.
Example: A pie bald black and white dog is a black dog with white spots on it.
b. cellular respiration
c. diffusion
d. gas exchange