What part of the dna that codes for a specific trait in an organism is called a
a. chromosome
b. gene
c. protein
d. allele
idk if i am thinking wrong but my brain is telling me it'si have a test tomorrow on this : d

Scientific thinking: what clues about biology might road kill provide?

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.

Graphs you see question 5 options: the change in data over time the relationship between different dependent variables the relationship between the independent variable and the dependent variable/s the relationship between different independent variables