Algae are phytoplankton capable of photosynthesis. how do ocean currents affect algae populations?

a) ocean currents deposit nutrients at the ocean floor, where the algae are present.

b) ocean currents push the algae to the ocean floor, where the nutrients are present.

c) ocean currents move the cold, nutrient-rich water to the surface to provide renewed food source for algae.

d) ocean current move algae from the poles toward the equator, where the amount of sunlight received is more.

Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam

Which is the most dominant generation in a liverwort

According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this?               a.  this implies that dna and proteins aren't essential in cells today.    b.  this implies that rna can catalyze any chemical reaction that enzymes catalyze.    c.  this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna.    d.  this implies that dna and proteins evolved after rna.