Structure has no apparent function in a species, but is fully functional in the species' ancestors. a) true
b) false

The correct answer would be - True.

Explanation:

In several organisms have structures, has no apparent role in the particular species and are residual parts from a past ancestor, but these structures were fully functional in the ancestors of the species. These structures are called vestigial structures or organs.

The example of such structures are, wings of the flightless birds, appendix of human and many other, all these structures has no function in the body of the individuals of the particular species but is fully functional in ancestors.

Thus, the correct answer is - true.

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.

a. the production of carbon dioxide through the process of photosynthesis