A plant appears to grow away from the sunlight and the roots appear to grow deeply straight down into the ground. This plant is displaying which of the following?
a.positive phototropism and positive gravitropism
b.negative phototropism and positive gravitropism
c.negative phototropism and negative gravitropism
a.positive phototropism and positive gravitropism
b.negative phototropism and positive gravitropism
c.negative phototropism and negative gravitropism