The electrons that travel through electron transport chain #1 (and that have been excited off of the chlorophyll molecules on photosystem #2) are used to

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

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