Spontaneous mutations that occur in skin or lung cells have little effect on the evolution of a species. Why is this true?

A. Mutations in skin and lung cells lead to more serious mutations in offspring.

B. Mutations in skin and lung cells cannot be passed on to offspring.

C. Mutations in skin and lung cells are usually beneficial to the organism.

D. Mutations in skin and lung cells always lead to the death of the organism.

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.