Comparative anatomy is the study of the similarities and differences in the structures of different species. ... Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants.
Protons have a positive charge. The number of protons in a nucleus determines the identity of the atom (element) and this number is called the atomic number.
D. Proton
Electrons are Negative.
Protons are Positive.
Neutrons are No charge.
Molecules are Made of atoms.
<span>B is the right answer. Gentoo and Emperor penguins employing different mating rituals is an example of behavioral isolation. Behavioral isolation is the umbrella term for a host of differences between species, although in the case of different mating behaviors this variety of behavioral isolation is intended to prevent cross-breeding between different members of the same species in the same environment.</span>
