Plants have chemicals that cause them to grow toward light by the process thigmotropism gravitropism phototropism none of the above

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.