CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Chapter 19, Problem 12TYK
One of the misconceptions about human evolution is expressed in the question “If chimpanzees were our ancestors, then why do chimpanzees still exist?” Use Figure 19.10A to explain the answer.
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Students have asked these similar questions
A group of scientists examine the skeletal evidence below.
Gibbon
Orangutan
Chimpanzee
Gorilla
Human
What conclusion can be drawn from the diagram to support the theory of evolution?
Man evolved from gorillas which evolved from chimpanzees.
O Gibbons are most closely related to man because of similarities in their skeletal structure.
O Orangutans have a larger jaw size than chimpanzees, allowing them to have a more carnivorous diet.
Gorillas continued to walk on all four limbs to move around on the floor of forests, while man became bipedal to live in grasslands in order to hunt and carry food.
O O O O
Tarsiers are one of the small species of primates generally found in tropical islands like Bohol, Philippines. Gibbons are small apes usually found in the forests of Southeast Asian regions. Chimpanzees are considered to be the highest form of "thinking organisms" on Earth.
The theory of evolution asserts that these species evolved from a related ancestor. By observing the given figure. How will you support or reject the said claim?
Humans are grouped in the order of Primate because primates are mammals who have:
O long legs, upright walking, hairless faces.
five toes, no tail, short necks.
large brains, opposable thumbs, long parental investment.
speech, writing, technology.
QUESTION 4
Family hominidae, to which human beings belong, includes:
gorillas
chimps
bonobos
all of the above.
QUESTION 5
The fossil record indicates there have been several species of our genus, homo, but we are the la
separates members of genus homo from other bipedal hominidae?
Chapter 19 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 19 - Connecting the Concepts 1. In the primate...Ch. 19 - Connecting the Concepts 2. In the chordate...Ch. 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 - One of the misconceptions about human evolution is...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...
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- Explain why the statement “Humans evolved from monkeys” is incorrect.arrow_forwardExplain the misconception on why the Theory of Evolution is deemed as "just a theory" rather than as a "scientific fact." How from simple apelike ancestors Homo Sapiens or the " Thinking Man" came into being.arrow_forwardSome genetic studies suggest that the most recent common ancestor of Homo sapiens that lived outside of Africa spread from Africa about 50,000 years ago. Compare this date to the dates of the fossil record. Can both the genetic results and the dates ascribed to the fossils be correct? Explain and Justify.arrow_forward
- DNA sequences in many human genes are very similar to the sequences of corresponding genes in chimpanzees. Which of the following statements is the explanation for this result? Group of answer choices Convergent evolution led to the DNA similarities. Humans and chimpanzees share a relatively recent common ancestor. Humans evolved from chimpanzees. Chimpanzees evolved from humans.arrow_forwardCharles Darwin and Jean Baptide de Lamarck have different ideas of explaining evolution. Describe how each of them explained the evolution of long necks of giraffes. Justify whose idea is more acceptable in science community.arrow_forwardWatch the original 1968 movie Planet of the Apes. Document as many scientific problems with the movie as you can. Which of the apes’ adaptations would be biologically possible, and which ones would be impossible, from your understanding of apes on Earth today? If this species did evolve to have the adaptive traits of Homo, would its members still be called apes?arrow_forward
- Humans in the 21st century use their thumbs extensively to operate touchscreens on cellphones. Imagine a scenario, where the human population evolves to have more dexterous thumbs over the next 300 years. Which of the following is a Lamarckian explanation for this evolutionary change (and, therefore, would an incorrect evolutionary mechanism?) humans that develop more dexterity in their thumb over their lifetime due to frequent use of cellphones pass that ability to their children humans that were born with a mutation for more dexterous thumbs have more children thumb dexterity is a dominant traitarrow_forwardIn 1822, an Arkansas farmer discovered a fossil when a hill collapsed on his property. The farmer sent the bones to the Philadelphia society to be reviewed by scientists where it was determined that the bones were from a whale. Through research, the scientists discovered whales have a vestigial structure that includes a pelvic girdle and hind limbs. Which evidence best supports the theory that organisms, such as whales, have common ancestry and have evolved? Select all that apply. Group of answer choices A/Ostriches and emus are flightless birds. B/Ancient cave paintings depict humans and bulls thousands of years ago. C/More than 96% of human DNA is identical to chimpanzee DNA. D/In the early stages of embryonic development, humans, rabbits, fish, and salamanders look very similar. E/Scientists discovered eight genetic variants in four regions of the human genome that influence skin color ranging from very light to very dark.arrow_forwardOn the back of the human skull, there is a small bump, below which is an opening where the spinal cord enters the skull. Which of the following statements provides the best evolutionary explanation for the location of the opening near the base of the skull? It is associated with the change to a bipedal stance. It provided greater protection for the spinal cord. It allowed for the hominin brain to grow much larger than other primates. This change was necessary for the increase in size from prosimian forms to anthropoid forms.arrow_forward
- Central African chimpanzees (Pan troglodytes troglodytes) and bonobos (Pan paniscus) are two different species of chimpanzees that live in sub-Saharan Africa. The map indicates the regions where central African chimpanzees and bonobos can be found. A scientist claims that central African chimpanzees and bonobos were once a single ancestral population before evolving into two separate species. Which of the following characteristics of the region could help to explain how a single ancestral population evolved into two separate species of chimpanzees?arrow_forwardIn many ways, modern human lifestyles are at odds with our bipedal locomotion. At no point in history have humans been as inactive as today (especially in developing nations), which has led to a number of physical ailments, such as obesity, loss of mobility, and low back pain. What are some other impacts of evolution on our species? What are some ways we can alleviate these problems? You should include any recommended study tips, review videos, or other materials.arrow_forwardPrimatology is part of anthropology because: Group of answer choices A: They can help us understand behaviors of hominins, which are ancestral to humans B: All of these answers are true C: There was nowhere else to put them D: They represent what we used to be before we evolved E: They are our closest living relativesarrow_forward
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