The microbiota of Amerindians, populations of humans with no or limited contact with Westerners, still showed antibiotic-resistant genes present. This is likely because

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

Explain how organisms could be harmed by high levels of salt from roadways?

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow