It took 1,649 years for the population to double ,going from 0.25 billion people to 0.50 people. How long did it take for the population to double a second time ?

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

What are the possible blood types among the children of parents that are ab and ii? oa) types a and b ob) types a, b, and ab c) types a, b, and o od) types a, b, ab, and o

What organelle other than the nucleus houses dna in a eukaryotic cell?