Author Question: A. africanus is considered to be more derived than A. afarensis for all the following reasons EXCEPT ... (Read 15 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
A. africanus is considered to be more derived than A. afarensis for all the following reasons EXCEPT __________.
 
  a. A. africanus has a cranial capacity of 450-550 cc
  b. A. africanus lacks cranial crests
  c. A. africanus shows greater facial prognathism
  d. A. africanus has small anterior teeth

Question 2

Most Australopithecus africanus finds have been dated to between __________.
 
  a. 4.3 to 3.5 mya
  b. 3 to 1.5 mya
  c. 3.5 to 2.4 mya
  d. 4 to 1.2 mya



orangecrush

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

Answer c

Answer to Question 2

Answer c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library