Homo erectus was the only hominin species to disperse from Africa.
a. true
b. false
Answer: b. false
You might also like to view...
How successful is the technique of cloning adult mammals by implanting DNA into donor eggs?
a. Few embryos survive until birth, and of those that do, many have serious health problems. b. About half of the embryos survive until birth, but many of these die before adulthood. c. Of the embryos that survive until birth, health outcomes are predictable. d. Most embryos survive, but are not able to reproduce as adults. e. Most embryos survive and lead healthy adult lives.
When Homo sapiens first left Africa:
a. they were slaughtered by Homo neanderthalensis. b. they encountered Homo erectus in Java. c. they encountered Homo neanderthalensis in Southeast Asia. d. they were the only genus of Homo on earth. e. they headed east but not west.
Red bone marrow, which produces red blood cells, white blood cells, and platelets, is located in
A) ligaments. B) spongy bone. C) compact bone. D) cartilage.
The key event that occurs during lysogenic replication of bacteriophage that does not occur during lytic replication is
A) assembly of new phage by packing viral genomes into capsids. B) penetration of the phage DNA into the host cell. C) integration of the phage DNA into the host cell DNA. D) release of mature viral particles by lysis of the bacterial cell. E) attachment of the phage to specific proteins in the bacterial cell.