Which of the following is an example of a vestigial structure? -the wings of red-tailed hawks
-the hind limbs of a house cat
-the fins of a shark
-Wisdom teeth in humans

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for