PLEASE ANSWER ASAP !Materials Needed: 2 pieces of rocks or 2 pieces of chalk

Hammer

A piece of cloth

Vinegar

What to Do:

1. For set up A, get a piece of rock and wrap it in a piece of cloth. Pound it using a hammer.

Be careful in using a hammer.

2. For Setup B, get another piece of rock and pour vinegar on it. Observe what will happen.

3. Compare the changes that happen to the pieces of chalk or rocks.

4. Answer the questions below.

a. What kind of change or transformation happened to the first piece of chalk or rock?

b. Based on the activity, how will you compare the two types of weathering?

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.