Slide 1Early Development Gametes Slide 2 Sperm Slide 3 Egg Lecithal = Yolk Slide 4 Microlecithal egg Small amount of yolk Amphioxus Eutherians Slide 5 Mesolecithal egg Medium…

Slide 1Drosophila melanogaster 2.5mm Movie Slide 2 The Life Cycle 1-2 weeks 36hr 60 hr 12 hr Slide 3 Adult cDNALarval cDNA 2 2 3 3 4 Developmentally- Regulated Gene Expression…

Slide 1BIOL 197L – Lab #7: INVERTEBRATE DIVERSITY AND ANATOMY I Slide 2 Which phyla did we study in class? And what genera represented these phyla? Slide 3 Cnidaria Hydra…

Slide 1 1 PREGNANCY & HUMAN DEVELOPMENT Slide 2 2 Fertilization l oocyte viable 12 - 24 after ovulation l sperm retain fertilizing power within female reproductive tract…

Slide 1 Chapter 18 Slide 2 Defining Animals Multicellular, heterotrophic eukaryotes that obtain nutrients by ingestion or eating food No cell walls for structure Joined by…

Slide 1 Dr. Andrea D. Székely BLASTULATION, IMPLANTATION, FORMATION OF THE ECTODERM AND ENDODERM Slide 2 4 days after the ovulation early blastocyst formation 0.1 - 0.2…

Slide 1 Slide 2 Invertebrates Chapter 29 and 30 Sponges, Cnidarians, Flatworms, Roundworms, mollusks, annelids Slide 3 Animal Kingdom Characteristics - multicellular - eukaryotic…

Slide 1 Formation of blastula Slide 2 Gastrulation Slide 3 Early gastrula ectoderm: blue; dorsal lip of blastopore: green endoderm: yellow; yolk: orange Slide 4 Mid-gastrula…

Slide 1 Slide 2 Early development and aging Slide 3 I. Embryonic development A. Cleavage 1. zygote to morula to blastula 2. blastocyst 3. cleavage position and fate 4. the…

Slide 1 Significant evolutionary events during the Cambrian explosion z1 - evolution of multicellularity - animals can therefore become large z2 - evolution of true tissues…