How would a decrease in the concentration of calcium ions in the blood affect the process of hemostasis

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

If animal agriculture was eliminated, how much grain would become available for human consumption?