What happens when an action potential is produced with a signal that is stronger than threshold? A)
weaker action potential generated

B)
no action potential generated

C)
action potential has same strength as threshold

D)
stronger action potential generated

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables