Which of the following is an example of a complex machine? 1. Pulley
2. Wedge
3. Scissors
4. Incline

Four types of motile cells in human body?

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

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.