occurs when one or more populations of a species is no longer found in an area it once inhabited, but is found elsewhere.

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.

How does food concentration affect yeast activity

Animals that have thick fur and ae able to store large amounts of body fat live where ?