When would a wheel and axle be most useful?
a. when planting seeds in a garden
b. when trimming off tree branches
c. when taking your desk downstairs
d. when moving a heavy box to the next block

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.