Living fishes The living fishes (not a monophyletic group) include: the jawless fishes (e.g. lampeys), the jawless fishes (e.g. lampeys), cartilaginous.
Skelton & Muscles. Hagfish No true vertebrae - sheath of cartilage surrounding notochord Few skull bones No true vertebrae - sheath of cartilage.
Clip Shape of Life: Chordata. Different classes, which include jawless fishes (e.g., lampreys), cartilaginous fishes (e.g., sharks), bony fishes, amphibians,
Fishes Chapter 11 Section 2. Characteristics of Fishes Vertebrate Lives in the water Uses fins to move Ectotherms Obtain oxygen through gills.
1.1 – Intro to fishes, Intro to Biology, Ecology 1.2 – History of ichthyology.
Fishes Lesson 4. -Aquatic vertebrates (they have backbones) -Most have paired fins, scales on some parts of the body, and gills. -Fins are for movement.
The Chordates Also Known As… Animals With Some Real Spine!
VERTEBRATES and their Classification Vertebrate Classes: Pisces: (fish) Agnatha (jawless fish) Chondricthes(boneless fish Osteicthes(boney fish) Tetrapoda.
History of the Earth
Skelton & Muscles
Chordates Chapter 23. I. Ancestry and Evolution Anatomical, developmental, and molecular evidence indicate chordates arose about 570 mya from lineage.
Unit 2: Fish, Amphibians, Reptiles
