Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 15, Problem 3PIT
Refer to figure 15.31 and the chapter content to answer the following questions.
3. Create an additional concept map that depicts the evolution of humans.
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Use the information and diagram to answer the following question.
Scientists discovered a 375-million-year-old fossil in Canada. The diagram shows the top and side views of the fossil.
Which observation would best support the claim that this organism was a transitional form between amphibians and fish?
A.
The fossil is larger than most modern amphibians, but smaller than most ancient fish.
B.
The fossil has some body structures that are homologous to amphibians and some body structures that are homologous to fish.
C.
The fossil has some body structures that are analogous to amphibians and some body structures that are vestigial.
D.
The fossil was discovered near a lake, which shows that the organism needed water to reproduce, as do amphibians and fish.
Use the information and diagram to answer the following question.
In humans, the pelvis and femur are involved in walking. Despite the fact modern whales live in water, they contain a pelvis and femur that are common in land dwelling animals.
Based on your observation of the whale diagram and your understanding of evidence that supports evolution, what is TRUE about the pelvis and femur found in living whales today?
A.
They are newly developed structures found in modern whales due to mutations.
B.
They are examples of fossilized remains of ancient organisms.
C.
They are traits acquired by modern whales over time as they adapted to living in water.
D.
They are vestigial structures which are remnants of structures that served a function in the organism’s ancestors.
Answer all questions and write a short paragraph.
1: Where was the Nariokotome Boy Found? How long ago did he live? How old was he?
2: What species does Nariokotome Boy belong to? What was the significance of his find?
3: What piece of information did the researchers use to suggest that Homo erectus did not have much body hair?
4: Where is Dmanisi? Why is it important?
5: Name three things about Homo erectus that separate them from the earlier hominins, including Homo habilis?
Chapter 15 Solutions
Biology: Concepts and Investigations
Ch. 15.1 - How were conditions on Earth before life began...Ch. 15.1 - Prob. 2MCCh. 15.1 - Prob. 3MCCh. 15.1 - Prob. 4MCCh. 15.2 - How might the endoplasmic reticulum, nuclear...Ch. 15.2 - Prob. 2MCCh. 15.2 - Prob. 3MCCh. 15.3 - Prob. 1MCCh. 15.3 - What types of organisms flourished in the...Ch. 15.3 - How did Palaeozoic life diversify during the...
Ch. 15.3 - Prob. 4MCCh. 15.3 - Prob. 5MCCh. 15.3 - Prob. 6MCCh. 15.4 - Prob. 1MCCh. 15.4 - Prob. 2MCCh. 15.4 - Prob. 3MCCh. 15.4 - Prob. 4MCCh. 15.5 - Prob. 1MCCh. 15.5 - Prob. 2MCCh. 15 - Place the following events in Earths history in...Ch. 15 - Prob. 2MCQCh. 15 - Photosynthetic cells affected early Earth by a....Ch. 15 - Prob. 4MCQCh. 15 - Prob. 5MCQCh. 15 - Prob. 6MCQCh. 15 - Why was the Mesozoic era extinction significant to...Ch. 15 - Primates share all of the following...Ch. 15 - Prob. 9MCQCh. 15 - DNA evidence suggests that modern humans a. share...Ch. 15 - Explain how the origin of self-replicating...Ch. 15 - Prob. 2WIOCh. 15 - Review the structures of nucleic acids and...Ch. 15 - Prob. 4WIOCh. 15 - The amoeba Pelomyxa palustris is a single-celled...Ch. 15 - Prob. 6WIOCh. 15 - Distinguish among the terms primate, hominid,...Ch. 15 - Prob. 8WIOCh. 15 - Prob. 9WIOCh. 15 - Compare todays changing culture to biological...Ch. 15 - Prob. 11WIOCh. 15 - Prob. 1PITCh. 15 - Refer to figure 15.31 and the chapter content to...Ch. 15 - Refer to figure 15.31 and the chapter content to...
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