1. What is the ultimate cause of all evolution? A. Sudden disasters caused by external forces

B. Infectious disease

C. Environmental change

D. Time

2. The first major anatomical difference that distinguishes our ancestors from those of the Chimpanzee and Gorilla is

A. Bipedalism

B. Bipartite behavior

C. Brachiation

D. Bulimia

3. An elderly human ancestor provides extra food for her grandchildren. This is an example of:

A. Environmental forcing

B. Natural selection

C. Kin selection

D. Selective breeding

4. Anthropology was developed as an American discipline primarily through the study of

A. Early hominins

B. Primates

C. Arrowheads

D. Native Americans

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions, because prokaryotes don't have nuclei.

What are the pros and cons of quadrat sampling?

As a result of these processes the single celled organism accomplishes