Science Education Resource Center at Carleton College
Serc: Observing Cell Division
In this activity, students make microscopic observations of onion root tips, discuss them with classmates, then make detailed drawings that are shared.
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...