'Radial cleavage' presentation slideshows

Outline

Outline. The coelom Molluscs Bivalves Cephalopods Gastropods Annelids Arthropods Crustaceans Uniramians Chelicerates Echinoderms. Advantages of Coelom . Protostomes vs. deuterostomes Differentiated according to three major events in embryological development 1 Cleavage

587 views • 39 slides

Introduction to Animals

292 views • 27 slides

Introduction To Animal Evolution

Introduction To Animal Evolution. Chapter 32. Animals 1 st appeared in Precambrian in waters, spread to land. 5 criteria that define animal: 1 Animals multicellular, must get food through ingesting other organisms or organic material.

555 views • 25 slides

Chapter 32 Reading Quiz

407 views • 25 slides

Chapter 32 Reading Quiz

410 views • 25 slides

Embryological Stages

Embryological Stages. March 23, 2011. Female Reproductive System. Fertilization: 0 hours. E gg is released from the ovary & moves into the fallopian tube to wait for the arrival of the sperm Fertilization - results in a zygote requires the sperm & egg nucleus to fuse

334 views • 21 slides

Cleavage: cutting up the embryo

Cleavage: cutting up the embryo. regulation mechanisms : the role of the cyclins and mpf: experiments. cytokinesis mechanisms : the role of the cytoskeleton, and variation in how membrane is added. cleavage types : the problem with yolk.

633 views • 20 slides

PHYLUM ECHINODERMATA (spiny skin)

PHYLUM ECHINODERMATA (spiny skin). Sea star Sea urchin Sand dollar Sea cucumber. ECHINODERM CHARACTERISTICS. Calcareous endoskeleton ossicles Biscuit sea star Tosia australis Adults with pentaradial symmetry (No cephalization oral / aboral) Water-vascular system

272 views • 11 slides