dogfish shark aka bruce
DESCRIPTION
Dogfish Shark aka Bruce. By: Alex and Brooke. Kingdom: Animalia Phylum: Chordata Class: Phondrichthyes Order: ________________ Family: Squalidae Genus: Squalus Species: _______________. Classification. Gray in color Made up of dermal ____________ Shaped like curved, grooved teeth - PowerPoint PPT PresentationTRANSCRIPT
By: Alex and Brooke
*Dogfish Shark aka Bruce
*Classification
*Kingdom: Animalia*Phylum: Chordata*Class: Phondrichthyes*Order: ________________*Family: Squalidae*Genus: Squalus*Species: _______________
*Integumentary System
*Gray in color*Made up of dermal ____________ *Shaped like curved, grooved teeth *______________ texture
*Dorsal side is darker*Very thick skin
*Skeletal/Muscular System
*Skeletal System*Made up of ____________* Light weight and flexible
*Muscular System*Red muscle* ____________ * Function for cruising
*White muscle* Anaerobic *Used for sudden burst in ___________
*Nervous System
*Brain is the center *Forebrain*____________*Hindbrain
*Sense of smell very good*Well developed eyes*________ line system for sense of touch*Sense of smell not highly adapted *Play no role in locating __________
*Respiratory System
*Mouth ________________ gill slits*Blood in gill filaments absorbed oxygen
from incoming water*Rely on _________
*Circulatory System
*_______ chambered heart*Heart gills body tissues *Low blood pressure*Muscular contractions needed to ____________
blood
*Digestive System
*Short and wide __________*Lower portion of digestive tract is the
spiral valve*Increases ___________ absorbed
*Digestive tract leads to rectum
*Reproductive System
*Aplacental Viviparity- live young *Part of the _____ that take care of offspring
inside mother’s body*Protected by mother’s body before birth *Gestation period is _____ months*Born in ________ months*Most litters between 12-16 *Sexually mature at 11 years
*Interesting Facts
*Average length is 2.5-3 feet*Distinguished by rows of small
_____________ along sides*Live to be 25-30 years old *Delicacy in __________ *Opportunistic feeder*Live in bathes and inshore waters