6.01: classification of living organisms 1. explain the linnaean system of classification. what has caused changes to this system since the early 1700s? 2. what are the categories for the linnaean system? which is the most specific? which is the most broad? 3. explain the domain system. how has it changed over the years? 4. how are gene and protein sequences used to classify organisms? 5. explain why viruses are considered nonliving. 6. compare and contrast viruses and bacteria. 7. make sure you understand phylogeny and cladograms.

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.

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

Which represents a negative impact of technology