Limb bones within unrelated animals that have the same basic structures are considered
a. vestigial structures.
b. analogous structures.
c. homologous structures.
d. embryological.

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse