Edward jenner’s smallpox inoculation experiment was based on an observation by a dairymaid that she could not get smallpox because she had already had cowpox how did jenner form his hypothesis from this observation
a) he asked what would happen if he deliberately inoculated someone with cowpox fluid from another person
b) he tested different existing inoculations to see which one was most effective in preventing smallpox
c) he observed dairymaids milking cows with cowpox to see if the statement was true before forming a hypothesis.
d) he drew a conclusion about cowpox infection based on the comment he heard from local farmers.

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.