The platypus and echidna are the only living forms of ________.
A. prototherian mammals
B. therian mammals
C. eutherian mammals
D. none of these
A. prototherian mammals
You might also like to view...
Many diseases from the New World traveled back to Europe
a. True b. False Indicate whether the statement is true or false
The measure of subjective well-being is based on __________
A) the availability of basic needs such as food and shelter B) the presence of luxury goods and material excess C) what people understand a good life to be D) life expectancy
Which of the following is a difference between H. erectus and the australopiths?
A. H. erectus had the largest sagittal crest of any hominin. B. The cranial capacity of H. erectus was much larger. C. H. erectus exhibited full bipedalism. D. The mortuary practices of H. erectus were less elaborate. E. The australopiths' teeth suggest that they ate a lot more meat.
The estimated average cranial capacity for Homo habilis is:
a. 631 cm3. b. 442 cm3. c. 520 cm3. d. 350 cm3. e. 775 cm3.