Vestigial structures are considered evidence since scientists believe they are structures that were once used by a species ancestors but are no longer needed. They do not impair the organisms in any way, so there is no need for evolution to get rid of them. Vestigial structures are anatomical features that no longer seems to have a function or purpose in the current form of an organism of the given species. Examples are wisdom teeth, the muscles of the ear, the appendix, the tail bone among others in human.
Answer:
Rex is not a Tyrannosaurus rex because each of his hands has three fingers. Tyrannosaurus had only two fingers on each hand.
Because ocean acidification could affect the marine species negatively therefore altering marine life and biodiversity it affects humans as well, many people from all over the world depend on food that comes from the ocean we need these food for protein.
Cutaneous membrane also known as the skin
Answer: Hydrophilic
Explanation:
They have a negatively charged polar head