Clade is the individual from which all organisms in a taco are directly descended.
A clade (from Ancient Greek: κλάδος, klados, "branch"), also known as monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants.
Answer:fossil records
Explanation:it has nothing to do with Evolution
True, you cant always have the ideal conditions in the real world
Answer:
The mucous membrane in the lung is there to capture and blocks foreign things dusts/dirt from entering the lungs. The membrane in the normal blood cell is to simply take in and out substances/gases like oxygen.
Answer: 50%
Explanation: When the checkerboard will be drawn the same way as it is drawn in question no.3, there will be 50% chances of having Patchwork fish because both fishes that are going to breeded contain same allele.