Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321946492
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 19, Problem 5TYK
Fossils suggest that the first major trait distinguishing hominins from other primates was
a. a larger brain.
b. erect posture.
c. forward-facing eyes with depth perception.
d. tool making.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
As hominins diverged from other primates, which of thefollowing appeared first?(A) reduced jawbones(B) an enlarged brain(C) the making of stone tools(D) bipedal locomotion
Why are plesiadapiforms most likely the earliest primate ancestors?
A.
They do not have a postorbital bar or plate
B.
Their eyes are forward-facing
C.
They have grasping fingers
D.
They have claws
Which of the following is one of the main tendencies observed in early hominins, such as australopithecines?
A.
Decrease in the number of incisors
B.
Reduced canine size
C.
Increased facial prognathism
D.
Increased diastema
Chapter 19 Solutions
Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology: Concepts & Connections (8th Edition)
Ch. 19 - Connecting the Concepts 1. In the primate...Ch. 19 - Prob. 2CCCh. 19 - A lamprey, a shark, a lizard, and a rabbit share...Ch. 19 - Why were the Tiktaalik fossils an exciting...Ch. 19 - Fossils suggest that the first major trait...Ch. 19 - Which of the following correctly lists possible...Ch. 19 - Which of these is not a member of the anthropoids?...Ch. 19 - Studies of DNA support which of the following? a....Ch. 19 - The earliest members of the genus Homo a. had a...Ch. 19 - Compare the adaptations of amphibians and reptiles...
Ch. 19 - Birds and mammals are both endothermic, and both...Ch. 19 - What adaptations inherited from our primate...Ch. 19 - Summarize the hypotheses that explain variation in...Ch. 19 - A good scientific hypothesis is based on existing...Ch. 19 - Explain some of the reasons why the human species...Ch. 19 - Anthropologists are interested in locating areas...Ch. 19 - SCIENTIFIC THINKING By measuring the fossil...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Dolphins and fish have similar body shapes. Is this feature more likely a homologous or analogous trait?arrow_forwardFossils suggest that the first major trait distinguishing human primates from other primates was __________.arrow_forwardWhich features characteristic of humans are unlikely to fossilize? a. the bones and dung b. the jaws and dung c. behavioural and soft tissue features d. behavioural and hard tissue featuresarrow_forward
- The evolution of which of the following features of mammals is hardest to trace through the fossil record? a. Jaw structure b. Mammary glands c. Middle ear structure d. Development of hairarrow_forwardWhat two species did early Homo sapiens live with during the end of the Pleistocene? A. Sahelanthropus tchadensis and Denisovans B. Neanderthals and Ardipithecus ramidus C. Neanderthals and Australopithecines D. Neanderthals and Denisovansarrow_forwardIn what present-day country was the oldest known fossil of a primate found?arrow_forward
- While listening to a hominin evolution podcast, the narrator mentions that the overall similarity of Homo erectus fossils from Africa, Asia, and Europe, and through time represents evolutionary statis. What evidence is there that this is not the case? A. The size of the teeth and jaws increased from earlier to later forms. B. There was an overall increase in cranial robusticity from earlier to later forms. C. The thickness of the cranial bone increased from earlier to later forms. D. Brain size increased by approximately 30% from earlier to later forms.arrow_forwardWhat other reason besides continuing to use trees might explain why early hominins had partially opposable big toes?arrow_forwardWhat characteristics are shared between monotremes and placental mammals but not marsupials? What would this observation lead to conclude about the order in which these animals evolved?arrow_forward
- What kind of tools did Lucy and other Australopithecines most likely use? A. An advanced stone tool like the Acheulean hand axe B. Wheelbarrows C. A bow and arrow D. A crude stone tool like the Oldowan Chopperarrow_forwardThe australopiths differed from the common chimpanzee in: a the number of different kinds of teeth on each side of each jaw. b the spacing of the orbits (eye-sockets) on the face. c the inability to rotate the arm around the shoulder joint. d the shape of the pelvis. e the lack of an opposable thumb. Which of the following skeletal parts would be most useful for determining whether a 4-million-year-old species was a hominin (vs. an ape)? a the clavicle (collarbone) b the part of the skull that shows the spacing between the orbits c the proximal (shoulder) end of the humerus (upper arm bone) d the distal (knee) end of the femur (thigh bone) e a lower left jaw with two incisors, one canine, two premolars, and three molars By 3 million years ago, the australopithecines were: a extinct in Africa but common in Southeast Asia b common in East and South Africa c adapting to cold glacial climates in…arrow_forwardCompare and contrast Neanderthals, Cro-Magnon humans, and early humans.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Human Biology (MindTap Course List)
Biology
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cengage Learning
The Evolution of Populations: Natural Selection, Genetic Drift, and Gene Flow; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SRWXEMlI0_U;License: Standard YouTube License, CC-BY
The Evolution of Humans | Evolution | Biology | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=Vf_dDp7drFg;License: Standard YouTube License, CC-BY