Last year drought conditions settled into the ecosystem of garden snails. before the drought began, there were 500 garden snails. last year, 50% of the population died and no offspring were produced. if these conditions contunue, in how many years will the entire population die off?

What does all of the organ system in a human form

What does natural resource management aim at ?

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.