Its sending a visual stimulus to a potential mate
None; sharks don't have bones, instead, they have strong cartilage, much like what our noses are made up of
Answer:
By identifying the bones as being homologous structures and by proposing that humans, bats, and dolphins share a common ancestor.
Explanation:
Dissolved O2 conc. in flask with algae will be higher since photosynthesis produces O2.
