Which of the following is expected to occur if a keystone species is removed fram an ecosystem? a. a niche is eliminated b. competition is reduced c. other speciesmove toward stable populations d. the ecosystem collapses

Monitor and apply fix up stratorgies

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.

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet