11.4 – Reproduction 11.4.1 - Annotate a light micrograph of testis tissue to show the location and function of interstitial cell (Leydig cells), germinal epithelium cells,…

CHAPTER 4 LEARNING OUTCOMES Explain the necessity for organism to reproduce State types of reproduction Explain the necessity for formation of gametes Describe formation…

Slide 1 Fertilization - fusion of 2 gametes ensure encounter of sperm & oocyte/egg External fertilization # of gametes stimulus for release Internal fertilization copulatory…

Slide 1 Agenda 11/7/11 1)You – Draw and name major stages of early development on a piece of paper…initial cleavage, morula, blastula, gastrula Me - (I will assume everyone…

Development Fertilization Chemotaxis Sea Urchin’s eggs have a chemotatic molecule called resact. This molecule is found in the outer jelly coat of the egg and attract sperm.…