OpenStax
Open Stax: Cellular Differentiation
The process of cellular differentiation leads cells to assume their final morphology and physiology - learn here all about this process.
BBC
Bbc: Gcse Bitesize: Mitosis and Cell Specialization
This lesson focuses on cell specialization. This cell must divide to produce a multi-cellular organism. It must also differentiate, so that its cells develop features that enable them to fulfil specific roles. Links are provided to a...
Ohio State University
Ohio State University: Plant Cells
Use this informative essay and these great illustrations to learn how plant cells are different from animal cells.
Other
Principia Cybernetica Web: Multicellular Organisms
Learn about the transition from unicellular to multicellular organisms. Includes related sources.
Other
Sambal's Science Web: Respiration
This concise article defines respiration, aerobic respiration, and anaerobic respiration. The definitions are followed by a short summary of each concept which further differentiates the processes.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Los Seres Vivos Unicelulares Y Pluricelulares
In this unit you will be introduced to the complexity of living things. It also reviews the kingdom of nature, differentiating between their main features from those who are microscopic unit-cellular to the multi-cellular visible to the...