fishes what are the characteristics of fishes? Vertebrate Lives in water Fins Most are ectotherms Have gills scales
fish How do fish obtain (get) oxygen? Oxygen is in water Fish take in water through the mouth Gills take oxygen out of the water and deliver it to the blood. Carbon dioxide is released into the water
fish What is the structure of the fish circulatory system? Closed circulatory system 2-chambered heart Draw the circulatory system page 463-color coded
fish How do fish move?Fins with bony support
fish How do fish usually reproduce? Sexually External fertilization Young develop outside the female body.
fish How do guppies and some sharks reproduce? Sexually Internal fertilization Young develop inside the female’s body
fish What is the fish nervous system used for? What helps them capture food? Finding food Avoid predators Their senses of touch, smell, taste & sight
fish What are the 3 groups of fish? Bony fish Jawless fish Cartilaginous fish
fish What are jawless fish? First vertebrates to appear on Earth No jaws-they scrape, stab & suck their food No scales Skeletons of cartilage
Jawless fish What are hagfish?Jawless fish Look like large, slimy worms Crawl into bodies of dead fish and scrape decaying tissue
Friday 12/5/14 Agenda- echinoderm/ch ordate quiz Warm-up Find notes for quiz and review them
Monday December 8, 2014 Agenda-fish Warm up What are the 3 groups of fish?
Jawless fish What are lampreys?Jawless fish Parasites of other fishes Attach to fishes mouths and suck their blood and tissue
fish What are cartilaginous fish? Sharks, rays & skates Have jaws & scales Skeletons made of cartilage
fish What are bony fish?Trout, tuna, goldfish, etc. Jaws Scales Gills Skeleton made of hard bone 95% of fish Salt & fresh water
Bony fish What is a swim bladder? An organ in fish that helps them stay stable in water Gas levels adjust in the bladder so that the fish can stay at the depth they want
Fish review Page 467#1-2
fish Wanted poster Design a “wanted” poster for a lamprey. Present the lamprey as a “criminal of the ocean.” Include the lamprey’s physical characteristics, feeding habits, and any other details that will allow people to track down this fish.
Tuesday 12/9/14 Agenda-fish Warm-up Finish page 467 (show me when done) Design a “wanted” poster for a lamprey Present the lamprey as a “criminal of the ocean.” Include the lamprey’s physical characteristics, feeding habits, and any other details that will allow people to track down this fish. Fish packet
Wednesday 12/10/14 Agenda-fishWarm-up Jacques Cousteau Read Answer questions on back Staple in notebook
fish Fish video Take at least 10 notes ‘
Thursday 12/11/13 Agenda- grasshopper dissection Warm up-work on fish packet
Friday 12/12/14 Agenda-fish Warm-up Eugenia Clark Staple in notebook