for crossing over to occur, homologous chromosomes must align precisely early in prophase i so that nonsister chromatids can exchange corresponding segments of dna

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

Select the word from the list that best fits the definition the temperature to which air must cool to be saturated