Which feature of some algae is also common to animals

The growth of a population of sparrows accelerates with each generation. the chances of dying are about the same for these sparrows, regardless of age. this population of sparrows therefore demonstrates the growth of a population of sparrows accelerates with each generation. the chances of dying are about the same for these sparrows, regardless of age. this population of sparrows therefore demonstrates exponential growth and a type ii survivorship curve exponential growth and a type iii survivorship curve arithmetic growth and a type ii survivorship curve arithmetic growth and a type i survivorship curve

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?

Which is an example of a vestigial structure? a: paw of a lionb: wing of a birdc: appendix of a humand: tail of a cat(i think it's a but i'm not sure)