Day 8 - (Forensics Presentation) Danielle Albert, a crime lab investigator, explains her work to the students Day 8 - (Lecture) Apparently someone had a late night... Day 8 - (Sand Dollar Fertilization Lab) A sand dollar zygote immediately after fertilization Day 8 - (Sand Dollar Fertilization Lab) A view of the sand dollar sperm Day 8 - (Sand Dollar Fertilization Lab) A view of the sand dollars as they release their gametes Day 8 - (Sand Dollar Fertilization Lab) Cleavage in the sand dollar embyro Day 8 - (Sand Dollar Fertilization Lab) Deanne demonstrates how to inject sand dollars with KCl to induce gamete release Day 8 - (Sand Dollar Fertilization Lab) Gastrulation in the sand dollar embryos Day 8 - (Sand Dollar Fertilization Lab) Professor Jeyabalan passes out sand dollar sperm for the students to observe under the microscope Day 8 - (Sand Dollar Fertilization Lab) Several sand dollar embryos in various stages of development Day 8 - (Sand Dollar Fertilization Lab) The first cleavage in the sand dollar embryo Day 8 - (Sand Dollar Fertilization Lab) The students collect egg and sperm samples from Professor Jeyabalan Day 8 - (Sand Dollar Fertilization Lab) The students observe the fertilization process under the microscopes Day 8 - (Sand Dollar Fertilization Lab) Two eggs before fertilization