Figure 42.0 External gills of a salmon. Figure 42.1 Internal transport in the cnidarian Aurelia.
. OsteichthyansChondrichthyes Has cycloid scales. Presence of dermal bone Operculum covers the gills Has placoid scales No Bones in their.
Evidence for Evolution. Supported by evidence gathered over a century Evidence must be gathered to support the theory of evolution- THE THEORY CANNOT.
Apoptosis. Apoptosis (Programmed Cell Death) Cells are not immortal. Cells can only undergo a limited number of cell division: usually about 50.
By Deshaunmmyiaa Jones and Savannah Leduc Frogs Habitat The frogs habitat is in or near ponds This is because frogs spawn in water.
Chapter 17 and 18 Notes, Reptiles and Amphibians
ZOHP-509: DEVELOPMENTAL BIOLOGY. Frog Embryology : Early Cleavage © 2015 DSC-206 100X.
What are the functions of the respiratoy system? Getting gases in and out… Environment to blood = external Blood to tissues = internal Olfaction and communication.
Chapter 15. 1. Abiotic Synthesis of Small Organic Molecules (SOM) 2. Polymerization of SOM to form proteins and nucleic acids 3. Packaging of molecules.
Aims To consider how organisms vary in terms of size. To consider how organisms vary in terms of size. What are the implications of this for the What are.
Life Cycle of a Fish and a Frog
E. Carboniferous (359-300 mya) - inverts Arthropleura -largest terrestrial arthropod - 2m.
