Given that many students struggle with thoroughly understanding evolutionary processes and have misconceptions regarding evolution, this does seem to be an oversight. The information presented was accurate and relevant. Figures were also accurate and current.
Overall the content has longevity - many topics are relatively unchanging, especially since this textbook covers fundamentals.
One area that may need updating are topics such as phylogenetics and climate change; however the authors do a good job of giving relative examples.
It would improve the longevity of the book to better connect climate change with speciation and evolution, for example by including more relevant examples and current research at the end of the evolution chapter.
Instead, climate change is dealt with separately. The text is very accessible to students in terms of clarity and accessibility of prose. The authors 'talk' to the students and the text feels welcoming and understandable. I do think that changes to the layout and would make this book more accessible. Currently there are quite large sections of text that could be more concise. Figures and images are places between paragraphs. If the images were to be integrated more into the text using close wrapping it may improve the accessibility and make the text feel less intimidating.
Getting students to read textbooks is always a struggle and so I do think that making the layout appear less daunting would be an improvement. This textbook does a great job at being consistent throughout in terms of style, dialogue, summaries, resources, etc. After reading the first few chapters students will know what to expect from future chapters. The authors do a great job of this important aspect. I also found the instructor resources to be consistent. This book does do a good job of being modular.
It would be useful for a variety of styles of classes. I would like to see more integration of topics; however the layout and the style of the textbook does allow for some flexibility. Topics are broken up enough so that particular areas could be omitted if needed without making a chapter or coverage of a topic incomplete.
The textbook is organized in a clear and logical way. Ideally evolution should be covered right at the start in some level of detail to help students understand and connect the chapters before the evolution chapter; however overall the organization is good and flows well. I do think that the book would benefit from integrating more questions throughout the text to check student understanding throughout the chapters instead of having the majority of questions at the end of the chapters.
I had no issues browsing and reading the textbook. Links are provided for quick navigation and the PDF is fully searchable. Lots of options are provided for accessibility. In the sections I read closely and thoroughly I found no errors. The prose is consistent and accessible to students. The authors' voices are clear and the text is easy to follow and understand. There is good use of bolding for emphasizing particular text and themes. This text is culturally accessible and inclusive. I did not find any culturally insensitive material.
Overall this book does a great job and overall I believe that it is an adequate substitution for a published text that students purchase, although some connections between themes may need to be emphasized. The chapter summaries and key terms are nice editions for students and illustrations are clear and professional.
The themes are appropriate and comprehensive. I love that there are instructor resources available. If I were to adopt this book I would need to pay close attention to connecting some themes, providing plenty of examples, and checking comprehension throughout. My main issues with the text are that evolution is not covered in enough detail at the start of the text and that the book could be laid out in a way that made the text more accessible, i.
Good coverage of topics appropriate to a two semester biology majors course. The index is helpful but there is no glossary read more. The index is helpful but there is no glossary. There are some typos and the answers provided to some questions are incorrect. Chapters that involve complex areas including genetics, physiology, and the immune system could be a bit more user friendly for the population that this text should serve.
There are an array of instructor resources available through OpenStax for this text. Quite an asset! I am writing this review of the genetics unit from Biology 2e chapters in the context of potentially using this book for an introductory level, one semester genetics course for majors. Note: I have not yet used this book in a class.
I think this book has is comprehensive for a general biology textbook, but it lacks some depth and breath for a genetics class. Mendelian genetics and non-mendelian traits, DNA replication and repair and mitosis and meiosis I believe are covered adequately for a genetics class, but I think to use this book for a genetics class many outside resources would also need to be used epigenetics, modern bioinformatics and next generation sequencing, genetic testing, ethics, and CRISPR-cas are some examples.
I found the index and glossary complete; it was easy to find topics of interest and the completeness of the topics matched my expectations from the index. The content appears to be accurate. The figures are simplistic, which for some topics is helpful like meiosis, but in other cases I think more details in the figure would be helpful. For example, the figure depicting Southern blotting But overall regardless of the depth of information in the figures; they appear accurate.
However, modern genetics is a rapidly changing field and many of those topics listed below are either not included or not included in depth. These topics including sequencing, genomics and genomics techniques, epigenetics and genome editing.
Some of these topics, for examples DNA sequencing, only Sanger sequencing has a figure and next generation sequencing is described in a few sentences.
I liked the clarity of this text. Topics are explained simply in shorter rather than longer paragraphs, and details that often bog down longer texts are omitted. However, some topics at least for a genetics class, I believe do not have enough detail examples gene expression, sequencing.
The genetics section of this book appears to be consistent. The figures have an overall similar look and parts of them are colored the same way for consistency for example the homologous chromosomes blue and red. The genetics section in particular seems to be modular. I did not find references to other sections of the book, and these chapters could be used without the rest of the text.
I think the modularity of this book helps with the flow. Chapters can be taken out of order. For example, I would introduce DNA structure, replication, central dogma and gene expression chapters before classical genetics chapter 12 , and I think that would work fine with the way this text is written.
I found the online interface difficult to use, because the pages load slowly and only one section of a chapter was visible on the page at a time. As I was looking through a chapter, I kept needing to load the next section and could not see the entire chapter at once. The table of contents is not available on each page, so navigation other than directly forward or backward is difficult. I also did not find an easy way to highlight or make notes in the online version, which are features often available in commercial online texts.
I did not notice cultural insensitive in this book; it includes mention of women scientists Figure The comprehensiveness varies but is overall mostly appropriate. Diversity of life and physiology get a lot of attention and surprising detail for an introductory textbook. Cell biology gets more cursory coverage and evolution is surprisingly Cell biology gets more cursory coverage and evolution is surprisingly spare.
Molecular biology gets some detailed figures but without much explanation in the text. Indexes and glossaries are good, which is important because definitions are often not given in the text. I didn't notice any major errors, but there were some omissions, especially in the evolution section, which is a disaster. For example, I didn't find any mention of drift, mutation, or gene flow. Evolution is defined--incorrectly--only once in the Chapter 18 Summary.
Systematics could be another trouble spot, but the authors do OK presenting an up-to-date, albeit conservative phylogeny. For example, I object to Phylum Zygomycota being described in a modern textbook, but this is a minor quibble. Protists are another trouble spot, but the authors do a good job discussing the modern perspective on the protists. Since the text is foundational, many of the subjects aren't changing rapidly. The areas with the most change are systematics and human ecology, and those are reasonably current.
In terms of writing and clarity, some chapters are great, others are mediocre. A few are poor. Readers will get the impression that multiple authors contributed.
A weak spot was that bold-face words were not always defined in the text. Readers will have to go to the glossary for some definitions, and that is not ideal. Overall the text is not overly technical, but sometimes it fails when it is not technical enough. For example, there is a box in the plant section discussing whether green algae are considered as plants.
The authors use a confusing 'straight line' terminology to try to explain monophyly. It doesn't work very well. Other sections are excessively technical and will probably confuse students. I wonder if the text needed a firmer editor. Consistency is good but not great. Some of the figures did not match well with the text. For example, the text describing the citric acid cycle outlines seven steps, but these are not indicated on the accompanying figure.
The external link is no help because it uses a completely different scheme. Also, the degree of taxonomic detail given for clades varied seemingly at random. Some clades were given with their taxonomic rank and others not.
For example, most fish taxa are listed with their rank, but not gnathostomes which might've been referred to as a superclass. Other sections completely ignored taxonomic rank. This is a guaranteed trouble-spot because the field is experiencing so much revision. But an editor had to step in and work for consistency. Overall, the organization is good, probably because it follows longstanding conventions. Some of the chapter introductions could use improvement. One example is section I noticed one broken video link, but that's the nature of this kind of resource.
My major complaint is that many of the figures were small in my browser, with no way I could find to be enlarged, except for right-clicking and opening them in a new tab. It would be nice to have links to the full-sized image. The two most likely trouble spots, human population growth and human impacts on biodiversity, are softballed in this textbook, avoiding cultural insensitivity. However, the authors missed an opportunity to discuss how conservation and population control impact, influence, and are lead by local societies.
I believe that more modern books will more thoroughly discuss the human element to conservation and management. Overall, this book provides a mostly adequate resource for teachers who are trying to save on textbook costs.
It is comparable to most conventionally printed textbooks in being fair, but not great. Compared to conventional textbooks, it is typically accurate and perhaps a little above average in freshness. Unfortunately, it is also uneven relative to the printed alternatives. The evolution section is a particular bad spot, which is inexcusable. The graphics are fewer and lower quality compared to expensive conventional textbooks, and the study questions are fewer and less thoughtful--an expected and acceptable trade-off given that this book has the potential to save students hundreds of dollars.
Overall, this book covers the essentials required by an introductory biology textbook. It covers the main topics such as genetics, evolution, and cell biology in sufficient detail.
I do wish there was more content on plant biology. I found many references to modern techniques, jobs, and information. I feel this text is relevant and would be easily updated with new information. The writing was clear and succinct. Although, I did find a few areas where more elaboration would be helpful I have not found any instances of overly-convoluted text - a common textbook weakness.
I have found assigning readings to be easy and convenient. I like that I can find small sections throughout the book to assign to students. I think this makes the reading more accessible and therefore students are more likely to complete it. The organization of the book is intuitive and I can easily find information and readings associated with class topics through the table of contents.
I have found a few broken links throughout the text. Most of the images are clear and appropriately arranged. No insensitive or offensive language. I would like to see something like "Scientist Spotlights" featuring scientists from diverse backgrounds and how their work has contributed to our understanding of biology.
This seems like a great book for freshman because often at that stage the students are interested in science but are unsure of what branch of science they want to go into.
This book teaches them the basics every biology major should become This book teaches them the basics every biology major should become familiar but spans a large amount of disciplines within biology. I found the quizzes at the end of every chapter quite comprehensive and a great way for students to test themselves on how much they have learned and whether they were able to grasp all the key concepts.
These provide real world examples as to why they are learning these topics and how they can be applied to a career or are being used by other scientists and professionals. The topics are all relevant. I thought the explanations were very specific and well versed. The illustrations were also very helpful and I can see them providing a lot of help to those visual learners. This book is readily available online and provides the same diversity as other freshman text books with current and up to date images and tables.
The book is consistent every chapter is clearly laid out in a good order and would make a great book for freshman biology majors. The book could definitely be broken up into small sections for lectures, discussions and homework. Each subunit is organized well and has a comprehensive outline at the end of every chapter along with questions.
I saw no evidence of any navigation problems, all the displays looked clear and adequate. It was easy to download and view. Biology 2e seems like a great text book for freshman biology majors. It focuses on many broad aspects of biology such as Chemistry, Cell biology, Ecology and Geology.
Is able to cover aspects of biology very well. Clear and defined, but definitions can be overly complex depending on the rigor of the class it is used in. No additional comments. I personally would put mitosis and meiosis and heredity before metabolism but was able to rearrange chapter orders with no difficulties.
I would like to see more supplementary materials generated, things like end of chapter problems that are not so dependent on multiple choice. Easier import power into different LMS platforms. Additional supporting materials with simulations and problem sets.
Yes, this text is much like any of the regular, paper general biology textbooks. It covers all the topics in sufficient detail for the student to succeed.
The order of presentation is basically the same as any other textbook. As far as I can discern, the information looks accurate and does not favor one pedagogy over another.
This textbook is almost exactly like any paper textbook. So it will remain relevant for the long term, as general biology subjects do not change very much anymore. This textbook reads much like any other textbook. The writing is not hard to understand and students can quickly search for terms to help them find information. I think the layout is consistent within this text. I like how vocabulary words are in bold as this makes it easy for students to make flash cards.
The overall framework makes it easy for students to find what they are looking for and they are not constantly adapting to a changing layout. The modularity of this textbook is excellent.
The contents on the left side of the page make navigation very easy and you can easily switch to different sections to find the information that you need.
For a professor, it is easy to point to a chapter and section to provide guidance on where students should focus their studies. This book is laid out just like the other major paper textbooks, like Campbell and Raven textbooks. It presents the same problems if one wishes to teach topics out of order, which is that the student will have to pay attention to the section they are currently teaching on as not all professors go in chapter order. It was easy to navigate the contents list, and very easy to switch from one section to another.
It was also easy to search the whole document for terms of interest. You might want to consider having the figure become larger in a popup or opening a new window. Not sure this is a major hang up, just something I noticed. I also do not like being required to download some videos through links, but would rather watch the video within the website. The text that I perused did not contain any grammatical errors. I like the way the text is easy to read, it seems different than the worst textbooks.
The nice thing about biology is that it is accessible to most everybody who is interested in learning. I didn't find anything in the text that would turn off a particular ethnicity or other background.
This is a nice replacement for a standard paper textbook. It doesn't really provide much differentiation from paper products other then the fact that it is free. So this can easily be used for this purpose.
This text covers all subject matter used in a one semester introductory biology course. Asexual reproduction is what repairs cells. Regeneration of parenchyma cells, or the functional cells, of an organism. The body can make more cells to replace the damaged cells keeping the organ or tissue intact and fully functional.
Stromal cells are the cells that support the parenchymal cells in any organ. Fibroblasts, immune cells, pericytes, and inflammatory cells are the most common types of stromal cells. ATP adenosine triphosphate depletion is a common biological alteration that occurs with cellular injury. This change can happen despite the inciting agent of the cell damage. A reduction in intracellular ATP can have a number of functional and morphologic consequences during cell injury.
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Cell damage also known as cell injury is a variety of changes of stress that a cell suffers due to external as well internal environmental changes. Among other causes, this can be due to physical, chemical, infectious, biological, nutritional or immunological factors.
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Cellular swelling or cloudy swelling may occur due to cellular hypoxia, which damages the sodium-potassium membrane pump; it is reversible when the cause is eliminated. When it affects many cells in an organ, it causes some pallor, increased turgor, and increase in weight of the organ.
On microscopic examination, small clear vacuoles may be seen within the cytoplasm; these represent distended and pinched-off segments of the endoplasmic reticulum.
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