Shana finds a mollusk on a damp log near a pond. The mollusk has a muscular foot and lacks a shell. What type of mollusk did Shana most likely find?

a cephalopod because it lives on land
a cephalopod because it lacks a shell
a gastropod because it lives on land
a gastropod because it lacks a shell

Astructure that is found in a plant cell and not in an animal cell is a ? central vacuole mitochondrion nucleus ribosome

What is the relation ship between structure and function in an organism

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.