'Longitudinal nerve cords' presentation slideshows

The Nervous System AP Biology

895 views • 73 slides

Phylum Platyhelminythes

Phylum Platyhelminythes. Platyhelminthes. ~ 20,000 extant species Parasitic + free-living Unsegmented flatworms. Platyhelminthes. Triploblastic, acoelomate, bilaterally symmetrical Incomplete gut; absent in some parasitic forms Cephalization of nervous system

556 views • 35 slides

The Nematodes

The Nematodes. Introduction and General Characteristic. Phylum Nematoda greek: Thread nem-ah-to-dah.

3.27k views • 29 slides

The Triploblastic , Acoelomate Body Plan

The Triploblastic , Acoelomate Body Plan. Roselyn Aperocho-Naranjo USPF, College of Pharmacy www.roselynnaranjo.vze.com. The Acoelomates are represented by Phyla Platyhelminthes, Nemertea (ribbon worms), and Gastrotricha (free-living and fresh water species.

917 views • 16 slides

The Nervous System

The Nervous System. Dani , Niral , and Sammy. Structure of the Nervous System . Consists of circuits of neurons and supporting cells

266 views • 16 slides

Nematoda

Nematoda. The Roundworms. Basic Characteristics. Triploblastic Pseudocoelomate Three tissue layers False Body Cavity No Mesentery (thin connective tissue) to support the organs) Fluid filled and acts as a hydrostatic skeleton, provides for circulation, aids in digestion.

388 views • 11 slides