What do the numbers after the arrows represent?
the number of the question that should be considered next
the number of points that should be added to the organism's identity total
the probability that the organism has the described characteristic
the number of species that have the described characteristic

What element is able to combine with itself and hydrogen to form large molecules ?

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.