Which of the following could qualify as a bottom-up control on a grassland community? Effect of grazing intensity by bison on plant species diversity
Influence of temperature on competition among plants
Influence of soil nutrients on the abundance of grasses versus wildflowers
Limitation of plant biomass by rainfall amount

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. by changing the amount of water in the blood, blood pressure can change. the excretory system can to lower blood pressure.which would most likely occur in the kidney? a)more water would be transferred from the nephron.b)less water would be absorbed into the nephron.c)the amount of water in the bladder would decrease.d)the amount of water in the blood would increase.

What nerve is affected in bell palsy