Why are vestigial structures not removed by natural selection?
WA
A. Only unimportant structures can be removed.
O
O
O
O
B. They are helpful to the organism.
C. Vestigial structures are genetic traits.
D. They do not harm the organism.

Which of the following are energy solutions that release pollution into the air>

Which codon is the code for the amino acid histidine (his)?

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?