Free pdf biology books download

Follow us. Welcome to Bookboon In order to provide our services we rely on a series of essential cookies to access our features. Accept and Continue. Sort by Title Author Language Rating. Filter by All Content Audio eBooks. Partial Differential Equations. Introduction to Cancer Biology. Engineering Mathematics: YouTube Workbook. Finally, we consider it important to point out that these publications have been made available for free distribution, or belong to the public domain.

We hope you liked it and already have your next book! If you found this list useful, do not forget to share it on your social networks. Do you want more Biology books in PDF format? Here we present our complete selection of Cell Biology books:. Cell Biology and Genetics author Mr.

Charles K. Twesigye Source: African Virtual University 3. An Overview of Cell Biology author H. Cell biology is the science that studies the properties, characteristics, evolution, life cycle and interaction of the cell with its environment.

Cell biology is also known as cellular biochemistry. Cell biology studies derive from previous disciplines such as cytology the branch of biology that studies cells and histology the discipline that studies organic tissues. Cell biology is essential for the quality of life of human beings. It also helps to propose therapeutic alternatives to improve the repair processes of human tissues and organs, as well as to combat agents that cause severe disorders in living organisms, such as those that occur when bacteria or viruses appear.

Ecology is the science that studies the relationship between living organisms and the environment they inhabit. The definition of ecology is simple but the object of its study is very complex. It was Ernst Haeckel , a German scientist, who created the term ecology in in order to designate a name for the science that studies the relationship between living organisms and the environment. In particular, it studies how the environment influences their distribution, quantity, biodiversity, behavior, the interactions between different species and the modifications they can cause in the environment.

Its levels of study are at the level of organisms, populations and communities of populations that make up ecosystems and the biosphere in general. Environmental biology is a science that studies the possible solution to environmental problems and fundamentally requires a broad knowledge and understanding of the basic physical, chemical and biological processes that occur in nature, for which it is necessary to have qualified personnel to face this problem that integrates almost all branches of knowledge and that should converge in an effort to achieve an adequate relationship between humans and their environment.

Environmental problems are analyzed from a broad biological perspective, with a comprehensive vision of the components of the environment, in such a way that environmental policies can be formulated based on research processes.

The life sciences have undergone an extraordinary development in recent decades, which has led to a great diversification of the fields of study. Specifically, environmental biology studies the relationship of biological systems organisms, species, ecosystems with their environment.

Genetics is a branch of biology that studies how hereditary traits are transmitted from generation to generation. Genes are the units of information used by organisms to transfer characteristics to their offspring.

The gene contains encoded instructions for synthesizing all the proteins of an organism. These proteins are the ones that will eventually give rise to all the characteristics of an individual phenotype.

Genetics takes on special relevance when studying the transmission of diseases. In the same way that eye color is inherited from parents to children, there are also diseases that can be transmitted to offspring, in this case we speak of genetic or hereditary diseases. Marine biology is the scientific study of all organisms and species living in the aquatic environment. In place of an opening narrative, the first page of each chapter is arranged around three new elements which provide students with the specific tools and approaches needed to achieve the learning objectives of that chapter.

Content updates reflect rapid, ongoing changes in knowledge about climate change, genomics, gene-editing technology CRISPR , evolutionary biology, microbiome-based therapies, and more. In Unit 1, new content engages students in learning foundational chemistry. The opening photo for Chapter 3 features a ringed seal, a species endangered by the melting of Arctic sea ice due to climate change. Chapter 3 also has added coverage on the discovery of a large subsurface reservoir of liquid water on Mars and the first CO2 enhancement study done on an unconfined natural coral reef both reported in In Chapter 5, the technique of cryo-electron microscopy is introduced, due to its increasing importance in the determination of molecular structure.

Chapter 7 begins with a new chapter-opening image showing neurotransmitter release during exocytosis. Chapter 9 includes new information on human brown fat usage, the role of fermentation during the production of chocolate, and recent research on the role of lactate in mammalian metabolism.

Chapter 10 begins with a new concept that puts photosynthesis into a big-picture ecological context. Chapter 10 also includes a discussion of the discovery of a new form of chlorophyll found in cyanobacteria that can carry out photosynthesis using far-red light.

In Chapter 12, the cell cycle figure Figure This 3rd unit incorporates changes that help students grasp the more abstract concepts of genetics and their chromosomal and molecular underpinnings.

For example, a new Concept Check In Chapter 14, of the Campbell Biology Book PDF 12th Edition the classic idea of a single gene determining hair or eye color, or even earlobe attachment, is discussed as an oversimplification. In Concept Chapter 17now describes the mutation responsible for the albino phenotype of the Asinara donkeys featured in the chapter-opening photo. Chapters 18—21 are extensively updated, driven by exciting discoveries based on DNA sequencing and gene-editing technology.

The revision of Unit 4 uses an evidence-based approach to strengthen how we help students understand key evolutionary concepts. For example, the new text in Concept