Slide 1KINGDOM ANIMALIA Phylum Chordata Class Chondrichthyes Slide 2 Class Chondrichthyes 846 species of sharks and rays Date to over 400 mya Cartilaginous endoskeleton Jawed…

1. Digestive System Gastric ulcer: the Possible answers are…….. Digest Stem Eyes system testis 2. The digestive system a system that is composed of organs responsible…

Slide 1 Gastropods and Pelecypods How to make a living inside your shell Slide 2 Phylum Mollusca Ancient Group of Animals Ancient Group of Animals Second “largest” animal…

Slide 1 What are Mollusks?  The name Mollusca (from the Latin mollis meaning soft), was first used by the French zoologist Cuvier in 1798 to describe squids.  All mollusks…

Tolerance Specific negative immunity Not the same as immunosuppression, which is non-specific 3 Tolerance mechanisms: Clonal deletion: Loss of certain Ag-specific cells Clonal…

Osteology Osteology Functions of the Skeleton 1. Protection Protect vital and delicate soft-tissue structures from injury. Skull and the rib cage. 2. Support The skeletal…

What are Mollusks? The name Mollusca (from the Latin mollis meaning soft), was first used by the French zoologist Cuvier in 1798 to describe squids. All mollusks have a muscular…

S E N S E S THE VISUAL SYSTEM The eye is a unique organ because its external anatomy may be easily assessed. Even the internal eye is visible through the cornea, where blood…

Osteology Osteology Functions of the Skeleton 1. Protection Protect vital and delicate soft-tissue structures from injury. Skull and the rib cage. 2. Support The skeletal…

KINGDOM ANIMALIA Phylum Chordata Class Chondrichthyes KINGDOM ANIMALIA Phylum Chordata Class Chondrichthyes Class Chondrichthyes 846 species of sharks and rays Date to over…