Explain how tropism affects plants' growth? Tropisms can cause plants to grow either away or towards external stimuli.
Tropisms produce chemicals that cause plants to only grow taller.
Tropisms produce chemicals that only affect the growth plants' roots.
HELP AND HURRY!!!

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

What do we call the process when two dominant alleles are expressed and do not blend? a.incomplete dominance b.codominance c.multiple alleles