Answer:
d. mechanical isolation
Explanation:
Mechanical isolation is a prezygotic barrier in which there is a physical barrier that prevents two populations of a species from mating successfully as a result of morphological differences.
This reproductive isolation can be seen in the Euhadra species of Japanese land snail, where snails with right hand shells and left hand shells are unable to physically corpulate successfully.
H; Substitution, because in the original strand “CG” was replaced (or substituted) by “AT” in the mutated strand.
Canaliculi is the tear drainage channel that extends from the lacrimal
sac to the opening in the mucous membrane of the nose.
<span>Canaliculi is the
tiny channel in each eyelid that forms part of the tear drainage system. The passage
is called canaliculus. Several small ducts in the eye is lacrimal canaliculi.</span>
<span> </span>
Its is already a balanced equation so the option a.1 would fill in for the blank.
