If a paramecium swims from a hypotonic to an isotonic environment, will its contractilevacuole become more active or less?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

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.