1. by Mrs. Wright

2. Life Science Standards: LS4 (5-8) POC-12 Describe the major changes that occur over time in human development from single cell through embryonic development to new born (i.e. trimesters: 1 st - group of cells, 2 nd - organs form, 3 rd – organs mature). LS4 (7-8) -12 Students demonstrate an understanding of patterns of human development by … 12a identifying and sequencing the stages of human embryonic development.

3. Human Embryonic Development Click on the words to the right. Once in the site, find the words in white ‘FIRST TRIMESTER’. Directly underneath them, click on the blue words: Incredible Color Photos of Fetal Development Incredible Color Photos of Fetal Development http://www.epigee.org/fetal.html Human Embryonic Development

4. Spiral of Development (extremely detailed information) Click on the link below & then the number 1 to see the first picture and follow through the spiral until you get to the baby at 40 weeks. The Visible Embryo in Detail from visembryo.com/baby/index.html The Visible Embryo in Detail from visembryo.com/baby/index.html

5. SCIENTIFIC NAMES OF STAGES with Much Information HUMAN EMBRYONIC DEVELOPMENT from dnatube.com/video/1323/Embryo nic-Human-Development This a seven minute video that has a lot of higher level scientific details of the stages. Click on the link at right to view.