Digital library
Textbooks, references and open learning resources.

External
BIO 2: Introduction to Human Biology
Suzanne Wakim & Mandeep Grewal · Butte College
In the contents: 4.2: Nutrients · 20.3: Lymphatic System · 24.01: Case Study - The Web of Life

External
ESC4103 - Environmental Microbiology
Noor Hafizah Mohd Pushiri · Universiti Putra Malaysia
In the contents: 3.3C: Planktonic Food Webs · 3.04: Nutrient Cycles · 4.7C: The Pentose Phosphate Shunt

External
Microbiology
Boundless · LibreTexts
In the contents: 2.5.06: ATP- Adenosine Triphosphate · 5.7C: The Pentose Phosphate Shunt · 6.1B: Sources of Essential Nutrients

External
Human Biology
Suzanne Wakim & Mandeep Grewal · Butte College
In the contents: 4.2: Nutrients · 20.3: Lymphatic System · 24.01: Case Study - The Web of Life

External
Introductory Biology
CK-12 Foundation · LibreTexts
In the contents: 6.04: Food Chains and Food Webs · 13.42: Food and Nutrients · 13.49: Lymphatic System

External
General Biology
Boundless · LibreTexts
In the contents: 6.09: ATP - Adenosine Triphosphate · 20.3D: Web Network and Ring of Life Models · 22.3A: Energy and Nutrient Requirements for Prokaryotes

External
Map: Raven Biology 12th Edition
LibreTexts
In the contents: 6.03: Adenosine Triphosphate · 37.02: Plant Nutrients · 46.07: Food Energy Energy Expenditure and Essential Nutrients