Answer:
Their similarity
Explanation:
Pharyngeal pouches are structures in vertebrates that develop in different parts of the body mainly in the face or neck. The similarity in their position and structural indicates a similarity . These structures provide evidence of evolution that the organisms evolved from the same ancestry.
I found the exercise on the internet. Attached is an image with the terms and the representation of the chromosomes mentioned above.
The term for the position a) would be homologous chromosomes. Position b) is gene locus. Position c) is recessive allele because it is represented by a small letter. Position d) is centromere. Position e) is sister chromatids. Position f) is alleles. Position g) is dominant allele because it is represented by a capital letter.
Atom
Molecule
macromolecule
Cell
Tissue
Organ
Organ System
Organism
Population
community
ecosystem
biosphere