Regeneration in planarians depends on the presence of stem cells called neoblasts. These cells are distributed throughout the body and, when part of the worm has been amputated, they are activated to reform the tissues that have been removed.
The correct answer of the given question above would be option D. The option that did not occur during the Cenozoic era is the formation of the ozone layer. The ozone layer has long been there before any era since it is part of the earth's atmosphere. Hope this answer helps.
Answer: True Because the segregation of alleles into gametes can be influenced by gene linkage
The answer is C. is recognized as the location where new days begin.
The International Date Line is an imaginary line if the Pacific Ocean that marks the boundary between one day and the next. When crossing the International Date Line, you subtract a day going east and add a day going west. I hope this helps!!!
I’m pretty sure it’s D, sorry if I’m wrong, I looked it up and it said “ Speed, latitudes, and direction of the objects determines the path along, which, the Coriolis effect deflects moving objects”