The climate and features of the Earth are always changing. Some populations have been able to survive by adapting to the changes. Which characteristic of a population is most vital for allowing adaptation?
A. genetic variation
B. population size
C. immunity to disease
D. energy requirements

What role does differential reproduction play in natural selection? ! a) some organisms have different reproductive success due to nongenetic traits. b) some organisms have traits that them reach reproductive age. c) different methods of reproduction result in some organisms being genetically altered. d) reproduction varies among organisms due to pathogenic factors. the answer is not a or d based on other posts.

Type the correct answer in the box. use numerals instead of words. fiona has a lovely flower bed in her yard. she wants to add a fence along one side of the flower bed. the fence material is sold in meters. fiona knows that her flower bed is 200 centimeters in length. how much fencing material does fiona need in meters? fiona needs meters of fencing material for her flower bed.

Compare the composition of the moon's surface with the composition of the earth's surface.