    Aquatic animals such as fish have specialised respiratory structure called gills for breathing A fish have 4 pairs of gills which are covered by the operculum…

1. Fish Respiratory system 1- Fish Gills extract 02 dissolved in water. 2- Water enter through mouth ,then flows over gills then to outside. 3- Water pumping occurred by…

1. Chapt 10 Bony FishesIchthyology “the study of fish” 2. Phylum Chordata• Class Actinopterygii – “modern bony fish” – 25,000 species or ½ of all vertebrate…

1. Chapt 10 Bony FishesIchthyology“the study of fish” 2. Phylum Chordata• Class Actinopterygii– “modern bony fish”– 25,000 species or ½ of all vertebrate species–…

Slide 11 Slide 2 Chordate Characteristics Characteristics of Chordates A chordate is an animal that in some stage of development has: 1. Notochord- dorsal rod of specialized…

Slide 1Dissections Slide 2 Ascaris Slide 3 Slide 4 Slide 5 Slide 6 Ascaris male - internal (whole) Slide 7 Grasshopper Slide 8 Slide 9 Slide 10 Slide 11 http://www.biologyjunction.com/gr…

Slide 1Gills Slide 2 The life of a fish Fish live in freshwater or saltwater A few fish like the mudskipper can survive for a short amount of time out of water. Fish carry…

Slide 12.2 Adaptations for Gas Exchange Slide 2 Material Needs... What sort of things do living things need to obtain from the environment? What sort of things do they need…

1. Fish (and chips) Dimitar Donev, Emil Yaramov (and Daniel Yanev) 2. Fish F’cts Chordata Phylum and two main classes: -Chondrichthyes-…

RESPIRATORY SYSTEM RESPIRATORY SYSTEM GROUP 6 It is a biological system consisting of specific organs and structures used for the process of respiration in an organism WHAT…