What is the significance of the similar number and arrangement of bones in a human arm and a bat wing?

Brainliest goes to first explain why or why not in approximately 100 words. should scientists who identify genes and create new genetic engineering techniques have the right to patent their methods for their own profit?

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population