All adaptations begin as a genetic Blank Options choose your answer... . These mutations will become more frequent in the population only if they provide a survival or reproductive advantage.

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.

The tubes transporting minerals and water upward are called ?

What are the student's observations and inferences before he starts his investigation?