Digestion is the process by which food and drink are broken down into their smallest parts so that the body can use them to build and nourish cells and to provide energy.
The question is incomplete as it does not have the options-
a. superfluous organ
b. extra appendage
c. vestigial structure
d. living fossil
e. chromosomal aberration.
Answer:
The correct answer will be option-vestigial structure
Explanation:
Vestigial structure are the structures which do not play any role in the organisms but still are inherited from the ancestors to maintain the fitness of the organisms.
Vestigial organs are found in many organisms including humans in which the presence of vermiform appendix do not play any role but it used to play roles in the ancestors of humans as they carried the cellulose-degrading bacteria.
Thus, a vestigial structure is the correct answer.
Well for one thing water wouldn't collect in drops. It also would affect pretty much everything that lives in or on water. For example there are kinds of bugs that use the surface of the water to stand on and lots of other organisms that use surface tension for their own benefits. Hope this helps!
Orogenic activity for the duration of the Cenozoic was
concentrated in the Alpine-Himalayan orogenic belt and the Circum-Pacific
orogenic belt. The Cenozoic Era is the current era animal history, which spans the
time period from 66 million years ago to the present day.