A.human
c.turtles
because ectotherm also known as cold blooded ,which is any animal whose regulation of body temperature depends on external sources
Probably gaining the weight back...
Answer:
Scientists have used comparative embryology to study and gather evidence of evolution. Karl Ernst von Baer, a Russian scientist, made observations on embryos of different species and came up with four principles of comparative embryology: 1. General features of an embryo appear before specialized features.
Explanation:
