Sophia Learning
Sophia: Fertilization and Early Development
This lesson will explain the processes involved in fertilization of a female egg. It is 5 of 5 in the series titled "Fertilization."
Khan Academy
Khan Academy: Human Embryogenesis
Explains what happens during embryogenesis, the first eight weeks of pregnancy.
WebMD
Web Md: Complete Blood Count (Cbc)
This site from WebMD provides an extremely detailed description of a complete blood count, how it is taken, what it measures, and what the results tell you. Links to important terms within the text and a chart that shows average amounts...
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Los Seres Vivos Unicelulares Y Pluricelulares
For 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...
Nature Research
Scitable: Gene Expression and Regulation
Investigate gene expression with this collection of resources that explains how DNA is expressed to make RNA, how genes are turned "on" and "off", and what must occur for transcription to happen. The webpage explores gene expression by...
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.
BiologyWise
Biology Wise: Information About the 3 Germ Layers in Animals
Describes the stages of development in animals from conception to the formation of the blastophore and then the three germ layers - the endoderm, mesoderm, and ectoderm. Details about each of the layers are also given.
Other
Principia Cybernetica Web: Multicellular Organisms
Learn about the transition from unicellular to multicellular organisms. Includes related sources.
Khan Academy
Khan Academy: A Genetic Mutation With Prognostic Value for Glioblastoma Patients
Questions related to processes of cell division, differentiation, and specialization.
PBS
Pbs Teachers:odyssey of Life Ii the Unknown World
Observe organisms in various environments, determine what enables the organisms to live in that environment and discuss the varied biological functions of the organisms.