Test 4 Chapter 14 Quiz

Fossil evidence indicates that the first members of the genus Homo arose approximately ________ years ago. A. 2 million B.200,000 C. 500,000 D. 1 million

A. 2 million

How is mitochondrial DNA inherited? A. All mitochondrial DNA is inherited from the mother. B.Fifty percent of mitochondrial DNA is inherited from the mother and 50 percent from the father. C.All mitochondrial DNA is inherited from the father. D. Only 75 percent of mitochondrial DNA is inherited from the father, the other 25 percent is inherited from the mother.

A. All mitochondrial DNA is inherited from the mother.

Which of the following is the strongest evidence that suggests Homo sapiens may have intermingled with other species such as H. heidelbergensis and H. neanderthalensis? A. Fossils from all or some of these Homo species dating to the same time period and found in overlapping geographic areas, showing phenotypes intermediate to at least two of the other species as well as evidence of DNA shared between the species would suggest that they may have intermingled with each other. B. Fossils from all or some of these Homo species dating to the same time period and found in overlapping geographic areas would suggest that they may have intermingled with each other. C. Fossils from all or some of these Homo species found in overlapping geographic areas as well as evidence of DNA shared between the species would suggest that they may have intermingled with each other. D. Evidence of DNA shared between the species would suggest that they may have intermingled with each other.

A. Fossils from all or some of these Homo species dating to the same time period and found in overlapping geographic areas, showing phenotypes intermediate to at least two of the other species as well as evidence of DNA shared between the species would suggest that they may have intermingled with each other.

It is possible that modern humans may have comingled with which of these other ancestors? A. Homo neanderthalensis, Homo heidelbergensis, and Homo floresiensis B. Homo neanderthalensis, Paranthropus aetheopicus, and Australopithecus africanus C. Homo heidelbergensis, Homo floresiensis, and Australopithecus africanus D. Homo heidelbergensis, Paranthropus aetheopicus, and Australopithecus africanus

A. Homo neanderthalensis, Homo heidelbergensis, and Homo floresiensis

The correct two-word Latin, scientific name, for modern humans is A. Homo sapiens. B. Homo neanderthalensis. C. homo sapiens.

A. Homo sapiens.

Examine the skulls shown in this figure. What can be said regarding trends in braincase size and teeth over time? mc021-1.jpg A. More recent hominin fossils have larger braincases and generally smaller, more humanlike teeth. B. Older hominin fossils have larger braincases and generally smaller, more humanlike teeth. C. More recent hominin fossils have smaller braincases and generally larger, more apelike teeth. D. There is no apparent change in braincase size or size and structure of the teeth in hominins.

A. More recent hominin fossils have larger braincases and generally smaller, more humanlike teeth.

Eggs provide A. both nuclear and mitochondrial DNA to the offspring cell. B. only nuclear DNA to the offspring cell. C. only mitochondrial DNA to the offspring cell. D. no DNA to the offspring cell.

A. both nuclear and mitochondrial DNA to the offspring cell

The phylum Chordata includes several subgroups of organisms. To which of these subgroups would humans belong? A. vertebrates B.cephalochordates C. urochordates D. monotremes

A. vertebrates

Examine the following Hominin evolutionary tree. Which of the following genera are most closely related? mc034-1.jpg A. Ardipithecus and Homo B. Australopithecus and Homo C. Sahalenthropus and Homo D. Orrorin and Homo

B. Australopithecus and Homo

Which of the following categories of the Linnaean hierarchy would include the most closely related organisms? A. order B.genus C. class D. family

B. genus

Sperm provide A. both nuclear and mitochondrial DNA to the offspring cell. B.only nuclear DNA to the offspring cell. C. only mitochondrial DNA to the offspring cell. D. no DNA to the offspring cell.

B.only nuclear DNA to the offspring cell.

Which of the following best describes the source of your nuclear DNA? A. All of my nuclear DNA was inherited from my mother. B. All of my nuclear DNA was inherited from my father. C. Half of my nuclear DNA was inherited from my mother and half from my father. D. Seventy-five percent of my nuclear DNA was inherited from my father and 25 percent from my mother.

C. Half of my nuclear DNA was inherited from my mother and half from my father.

All primates have opposable thumbs. This means the thumbs A. can be touched together. B. can be touched to each of the other fingers on the opposite hand. C. can be touched to each of the other fingers on the same hand. D. can be touched to each of the toes on both feet.

C. can be touched to each of the other fingers on the same hand.

Which of the following is NOT a feature of hominins that distinguishes them from other hominids? A. bipedal walking B. upright posture C. opposable big toe D. a relatively flat face

C. opposable big toe

You are relaxing on the veranda of your beachfront rental on the Gulf of Mexico when you notice a small (about 5 inches long), green quadruped clinging to the ceiling. As it begins to run down the wall, you catch it and notice that it is covered with dry scales, has a long tail, and specialized toe pads that allow it to stick to surfaces. This animal most likely belongs to which class? A. Mammalia B. Amphibia C.Reptilia D. Osteichthyes

C. reptile

According to this evolutionary tree, when did hominins branch away from the other apes? mc014-1.jpg A. 35 mya B. 12-16 mya C. 7-8 mya D. 5-7 mya

D. 5-7 mya

How is nuclear DNA inherited? A. All nuclear DNA is inherited from the father's ancestral line. B. Seventy-five percent of nuclear DNA is inherited from the mother's ancestral line and 25 percent from the father's ancestral line. C. All nuclear DNA is inherited from the mother's ancestral line. D. Fifty percent of nuclear DNA is inherited from the mother's ancestral line and 50 percent from the father's ancestral line.

D. Fifty percent of nuclear DNA is inherited from the mother's ancestral line and 50 percent from the father's ancestral line.

Which of the following adaptations was NOT required to facilitate the evolution of animal life on land? A. water-conserving excretory system B. amniotic egg C. skin covered with waterproof scales D. a fully cartilaginous skeleton

D. a fully cartilaginous skeleton

Which of the following anatomical changes was NOT likely a contributor to the development of full bipedalism in hominins? A. restructuring of the pelvis B. loss of opposable big toes C.a change in the angle of knee joints that support body weight D. having no arch in the foot

D. having no arch in the foot

Which of the following could NOT be used to describe humans? A. eutherian B. mammal C. primate D. marsupial

D. marsupial