A landslide has isolated a part of the cicada population from the main population. After a few generations, the new generations of cicadas exhibited dramatic gene differences from the old one.
Which mechanism is the most likely cause of these differences?
OA
bottleneck effect
OB.
disruptive selection
OC. migration, or gene flow

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

Why are adults bigger than they were as children biology

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?