Phylum Chordata Class Pisces Fishes Kingdom Animalia Phylum
![Phylum: Chordata Class: Pisces (Fishes) Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Phylum: Chordata Class: Pisces (Fishes) Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-1.jpg)
![Common Characteristics l l l l l 1. Vertebrate 2. Cranium - skull 3. Common Characteristics l l l l l 1. Vertebrate 2. Cranium - skull 3.](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-2.jpg)
![Ocean Sun Fish Ocean Sun Fish](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-3.jpg)
![Ocean Sun Fish Ocean Sun Fish](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-4.jpg)
![ØB. Classes Of Fishes 1. Agnatha – l Jawless l 2. Chondrichthyes – Cartilaginous ØB. Classes Of Fishes 1. Agnatha – l Jawless l 2. Chondrichthyes – Cartilaginous](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-5.jpg)
![Agnatha – Jawless fish Hagfish 1. Jawless l 2. Two Moveable plates l 3. Agnatha – Jawless fish Hagfish 1. Jawless l 2. Two Moveable plates l 3.](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-6.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-7.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-8.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-9.jpg)
![Lamprey Ø 1. Spend half it’s life free-living and half as a parasite. Ø Lamprey Ø 1. Spend half it’s life free-living and half as a parasite. Ø](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-10.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-11.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-12.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-13.jpg)
![ØChondrichthyes ØChondrichthyes](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-14.jpg)
![B. Chondrichthyes – cartilaginous fishes 1. Sharks teeth – Rows of teeth, shape and B. Chondrichthyes – cartilaginous fishes 1. Sharks teeth – Rows of teeth, shape and](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-15.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-16.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-17.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-18.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-19.jpg)
![Megalodon Shark Megalodon Shark](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-20.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-21.jpg)
![Sharks Ø 3. Olfactory Bulbs – In the brain region that intercepts smell. Ø Sharks Ø 3. Olfactory Bulbs – In the brain region that intercepts smell. Ø](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-22.jpg)
![Chondrichthyes Ø 1. Rays Ø 2. Skates Ø 3. Sharks Chondrichthyes Ø 1. Rays Ø 2. Skates Ø 3. Sharks](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-23.jpg)
![Rays Rays](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-24.jpg)
![Skates Skates](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-25.jpg)
![Mako Hammer head Sharks TIGER LEMON Great White BULL Mako Hammer head Sharks TIGER LEMON Great White BULL](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-26.jpg)
![6. Gills – a sharks gills are not covered by an operculum, gills are 6. Gills – a sharks gills are not covered by an operculum, gills are](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-27.jpg)
![Sharks gills fully exposed Sharks gills fully exposed](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-28.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-29.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-30.jpg)
![Ø 7. Rectal Gland – remove excess sodium and chloride ions from the blood Ø 7. Rectal Gland – remove excess sodium and chloride ions from the blood](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-31.jpg)
![Ø 1. Internal Fertilization A. Claspers – Males modified pelvic fins and used to Ø 1. Internal Fertilization A. Claspers – Males modified pelvic fins and used to](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-32.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-33.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-34.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-35.jpg)
![Skate eggs sack Skate eggs sack](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-36.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-37.jpg)
![ØOsteichthyes ØOsteichthyes](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-38.jpg)
![C. Osteichthyes – Bony fishes 2. sub-classes a. Ray-finned fishes – Fins have sharp C. Osteichthyes – Bony fishes 2. sub-classes a. Ray-finned fishes – Fins have sharp](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-39.jpg)
![2) Coelacanth – very primitive, the front fins are more limb–like appendage, than fin 2) Coelacanth – very primitive, the front fins are more limb–like appendage, than fin](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-40.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-41.jpg)
![4. External Anatomy of a Boney fish A. Head, trunk and a tail region. 4. External Anatomy of a Boney fish A. Head, trunk and a tail region.](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-42.jpg)
![Ø C. Fins l 1. Caudal – Tail, forward movement l 2. Dorsal – Ø C. Fins l 1. Caudal – Tail, forward movement l 2. Dorsal –](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-43.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-44.jpg)
![D. Skin – Scales cover, protect, growth rings D. Skin – Scales cover, protect, growth rings](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-45.jpg)
![5. Internal Anatomy Ø A. Digestive System – l 1. Mouth Pharynx, esophagus, stomach, 5. Internal Anatomy Ø A. Digestive System – l 1. Mouth Pharynx, esophagus, stomach,](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-46.jpg)
![Villi Villi](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-47.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-48.jpg)
![6. Circulatory Ø 1. Closed system Ø 2. Fishes heart - 2 Chambers, - 6. Circulatory Ø 1. Closed system Ø 2. Fishes heart - 2 Chambers, -](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-49.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-50.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-51.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-52.jpg)
![7. Respiratory and Excretory functions Ø A. Gills – each gills contains filaments where 7. Respiratory and Excretory functions Ø A. Gills – each gills contains filaments where](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-53.jpg)
![Gill rakers Gill Filaments Gill rakers Gill Filaments](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-54.jpg)
![Ø B. Kidneys – filter and dissolve chemical waste from the blood, carried to Ø B. Kidneys – filter and dissolve chemical waste from the blood, carried to](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-55.jpg)
![8. Swim Bladder Ø A. Bladder that regulates gas for buoyancy in the fish. 8. Swim Bladder Ø A. Bladder that regulates gas for buoyancy in the fish.](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-56.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-57.jpg)
- Slides: 57
![Phylum Chordata Class Pisces Fishes Kingdom Animalia Phylum Chordata Subphylum Vertebrata Phylum: Chordata Class: Pisces (Fishes) Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-1.jpg)
Phylum: Chordata Class: Pisces (Fishes) Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata
![Common Characteristics l l l l l 1 Vertebrate 2 Cranium skull 3 Common Characteristics l l l l l 1. Vertebrate 2. Cranium - skull 3.](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-2.jpg)
Common Characteristics l l l l l 1. Vertebrate 2. Cranium - skull 3. Endoskeleton - bone or cartilage. 4. Streamline shape 5. Muscular Tail 6. Fins 7. Gills 8. Scales 9. Lateral Line – rows of sensory pores along the length of the fishes body that pick up vibrations in the surrounding water.
![Ocean Sun Fish Ocean Sun Fish](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-3.jpg)
Ocean Sun Fish
![Ocean Sun Fish Ocean Sun Fish](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-4.jpg)
Ocean Sun Fish
![ØB Classes Of Fishes 1 Agnatha l Jawless l 2 Chondrichthyes Cartilaginous ØB. Classes Of Fishes 1. Agnatha – l Jawless l 2. Chondrichthyes – Cartilaginous](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-5.jpg)
ØB. Classes Of Fishes 1. Agnatha – l Jawless l 2. Chondrichthyes – Cartilaginous l 3. Osteichthyes Boney l
![Agnatha Jawless fish Hagfish 1 Jawless l 2 Two Moveable plates l 3 Agnatha – Jawless fish Hagfish 1. Jawless l 2. Two Moveable plates l 3.](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-6.jpg)
Agnatha – Jawless fish Hagfish 1. Jawless l 2. Two Moveable plates l 3. Rough tongue used to pinch off chunks of flesh of another fish. l 4. Burrows through the body of dead fishes through gills or anus, eating all the internal parts. l 5. Releases a slime for defense
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-7.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-8.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-9.jpg)
![Lamprey Ø 1 Spend half its life freeliving and half as a parasite Ø Lamprey Ø 1. Spend half it’s life free-living and half as a parasite. Ø](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-10.jpg)
Lamprey Ø 1. Spend half it’s life free-living and half as a parasite. Ø 2. Uses it’s disk-shaped mouth with circular rows of sharp teeth to attach to a host and scraps a hole in the flesh, secreting a chemical that keeps the host blood from clotting and feeds on the blood or fluids that leak out. Ø 3. External fertilization
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-11.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-12.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-13.jpg)
![ØChondrichthyes ØChondrichthyes](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-14.jpg)
ØChondrichthyes
![B Chondrichthyes cartilaginous fishes 1 Sharks teeth Rows of teeth shape and B. Chondrichthyes – cartilaginous fishes 1. Sharks teeth – Rows of teeth, shape and](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-15.jpg)
B. Chondrichthyes – cartilaginous fishes 1. Sharks teeth – Rows of teeth, shape and size depends of it’s feeding habit and what kind of species it is.
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-16.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-17.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-18.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-19.jpg)
![Megalodon Shark Megalodon Shark](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-20.jpg)
Megalodon Shark
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-21.jpg)
![Sharks Ø 3 Olfactory Bulbs In the brain region that intercepts smell Ø Sharks Ø 3. Olfactory Bulbs – In the brain region that intercepts smell. Ø](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-22.jpg)
Sharks Ø 3. Olfactory Bulbs – In the brain region that intercepts smell. Ø 4. Shark Skeleton – made of Cartilage. Ø 2. Placoids - Plate-like scales , tooth like spines, Very sharp and jagged edges
![Chondrichthyes Ø 1 Rays Ø 2 Skates Ø 3 Sharks Chondrichthyes Ø 1. Rays Ø 2. Skates Ø 3. Sharks](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-23.jpg)
Chondrichthyes Ø 1. Rays Ø 2. Skates Ø 3. Sharks
![Rays Rays](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-24.jpg)
Rays
![Skates Skates](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-25.jpg)
Skates
![Mako Hammer head Sharks TIGER LEMON Great White BULL Mako Hammer head Sharks TIGER LEMON Great White BULL](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-26.jpg)
Mako Hammer head Sharks TIGER LEMON Great White BULL
![6 Gills a sharks gills are not covered by an operculum gills are 6. Gills – a sharks gills are not covered by an operculum, gills are](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-27.jpg)
6. Gills – a sharks gills are not covered by an operculum, gills are exposed by gill slits. Sharks lack an operculum but they can still remain still because of the structures on their gills that allows water to constantly flow over them.
![Sharks gills fully exposed Sharks gills fully exposed](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-28.jpg)
Sharks gills fully exposed
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-29.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-30.jpg)
![Ø 7 Rectal Gland remove excess sodium and chloride ions from the blood Ø 7. Rectal Gland – remove excess sodium and chloride ions from the blood](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-31.jpg)
Ø 7. Rectal Gland – remove excess sodium and chloride ions from the blood and releases them in to the rectum for elimination. (urine)
![Ø 1 Internal Fertilization A Claspers Males modified pelvic fins and used to Ø 1. Internal Fertilization A. Claspers – Males modified pelvic fins and used to](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-32.jpg)
Ø 1. Internal Fertilization A. Claspers – Males modified pelvic fins and used to transfer sperm into the females body. l B. Some of the fertilized eggs are hatched outside the sharks body and some develop inside the females body. l C. No parental care l
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-33.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-34.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-35.jpg)
![Skate eggs sack Skate eggs sack](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-36.jpg)
Skate eggs sack
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-37.jpg)
![ØOsteichthyes ØOsteichthyes](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-38.jpg)
ØOsteichthyes
![C Osteichthyes Bony fishes 2 subclasses a Rayfinned fishes Fins have sharp C. Osteichthyes – Bony fishes 2. sub-classes a. Ray-finned fishes – Fins have sharp](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-39.jpg)
C. Osteichthyes – Bony fishes 2. sub-classes a. Ray-finned fishes – Fins have sharp pointed bones covered with skin. b. Fleshy-finned fishes - lobed 1) Lung fish – lunged fishes
![2 Coelacanth very primitive the front fins are more limblike appendage than fin 2) Coelacanth – very primitive, the front fins are more limb–like appendage, than fin](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-40.jpg)
2) Coelacanth – very primitive, the front fins are more limb–like appendage, than fin like. Thought to eventually use fin-limb like appendages to climb out of the water?
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-41.jpg)
![4 External Anatomy of a Boney fish A Head trunk and a tail region 4. External Anatomy of a Boney fish A. Head, trunk and a tail region.](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-42.jpg)
4. External Anatomy of a Boney fish A. Head, trunk and a tail region. Ø B. Operculum – Hard plate, opens at the rear, covers and protects the gills. Ø
![Ø C Fins l 1 Caudal Tail forward movement l 2 Dorsal Ø C. Fins l 1. Caudal – Tail, forward movement l 2. Dorsal –](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-43.jpg)
Ø C. Fins l 1. Caudal – Tail, forward movement l 2. Dorsal – top, Pair, Defense l 3. Anal – below tail, steering l 4. Pelvic – below and behind head, NAVIGATOR l 5. Pectoral – side of the head region, stopping
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-44.jpg)
![D Skin Scales cover protect growth rings D. Skin – Scales cover, protect, growth rings](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-45.jpg)
D. Skin – Scales cover, protect, growth rings
![5 Internal Anatomy Ø A Digestive System l 1 Mouth Pharynx esophagus stomach 5. Internal Anatomy Ø A. Digestive System – l 1. Mouth Pharynx, esophagus, stomach,](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-46.jpg)
5. Internal Anatomy Ø A. Digestive System – l 1. Mouth Pharynx, esophagus, stomach, intestines, anus l 2. Accessory organs • A. Liver – produces bile • B. Gall Bladder – stores bile • C. Pancreas – releases enzymes 3. Villi – projections in the intestines that increase the surface area for absorption.
![Villi Villi](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-47.jpg)
Villi
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-48.jpg)
![6 Circulatory Ø 1 Closed system Ø 2 Fishes heart 2 Chambers 6. Circulatory Ø 1. Closed system Ø 2. Fishes heart - 2 Chambers, -](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-49.jpg)
6. Circulatory Ø 1. Closed system Ø 2. Fishes heart - 2 Chambers, - 1 Atrium and 1 Ventricle. Ø 3. 4 parts l a. Sinus Venosus, l b. Atrium, l c. Ventricle l d. Bulbus Arteriosus Ø 4. Blood Vessels
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-50.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-51.jpg)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-52.jpg)
![7 Respiratory and Excretory functions Ø A Gills each gills contains filaments where 7. Respiratory and Excretory functions Ø A. Gills – each gills contains filaments where](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-53.jpg)
7. Respiratory and Excretory functions Ø A. Gills – each gills contains filaments where blood flows across. This arrangement is called COUNTER CURRENT, it allows more oxygen to diffuse. l Gill Rakers – attached to the gills and help prevent food particles from passing through the brachial clefts
![Gill rakers Gill Filaments Gill rakers Gill Filaments](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-54.jpg)
Gill rakers Gill Filaments
![Ø B Kidneys filter and dissolve chemical waste from the blood carried to Ø B. Kidneys – filter and dissolve chemical waste from the blood, carried to](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-55.jpg)
Ø B. Kidneys – filter and dissolve chemical waste from the blood, carried to the urinary bladder.
![8 Swim Bladder Ø A Bladder that regulates gas for buoyancy in the fish 8. Swim Bladder Ø A. Bladder that regulates gas for buoyancy in the fish.](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-56.jpg)
8. Swim Bladder Ø A. Bladder that regulates gas for buoyancy in the fish. (Depth at which the fish swims)
![](https://slidetodoc.com/presentation_image/05990e6fc9c8b993698345fdb5b68d49/image-57.jpg)
Entertoxemia
What are chordates
Seal phylum
Class pisces fishes
Phylum pisces
Diptera phylum
Animal kingdom phylum chordata
Kingdom animalia phylum arthropoda
Phylum cnidaria diagram
Cnidaria characteristics
Phylum chordata class amphibia
Phylum chordata class reptilia
Phylum chordata class chondrichthyes
Phylum chordata class amphibia
Reino cordados
Animalia chordata
Old kingdom middle kingdom new kingdom
Nnn ruled
Old kingdom middle kingdom new kingdom
Capital of egypt during the old kingdom
Family order genus species
Phylum order
Domain, kingdom, phylum
Sugar maple phylum
8 levels of classification in order
Horse taxonomy chart
Kingdom phylum class order of humans
Biology
3 domain system of classification
Axolotl larva ka classification
Angiospermophyta examples
Kpcofgs
Kingdom order
Bacteria kingdom phylum class order
Stapyl
Iucn red list
Platypus taxonomy chart
Kingdom phylum class order family genus and species
Fibrobacteria
The classification schemes of a fungus and a bacterium
Squid kingdom
Classification of cow from kingdom to species
Which level of classification is the most specific?
Class gland doman
Sepia kingdom
Levels of classification domain
Compositeae
Ikan sungut gada
Class pisces characteristics ppt
Amphioxus characteristics
Mesonychids
Phylum chordata notochord
Common characteristics of chordates
Phylum chordata
Mnemonic for phylum chordata
Chordata
Characteristics of subphylum vertebrata
Cotoderm