Biology 103
Chapter 15 Animals
6.Animals evolve from simple to complex. The most primitive animals such as ________________ belong to Phylum Porifera. They have a flagellated cell called ___________________; they do not have tissue layers. 7.Phylum Cnidaria includes animals such as ____________________, ___________________, ______________________, and _________________. They have two germ layers: _______________ and ______________; they have unique protective cell called _______________. 8. Phylum Platyhelminthes is commonly known as _____________________. They have three germ layers: ________________, __________________, and __________________, but no coelom. 9.Phylum Nematoda (commonly known as ___________________) has three germ layers and an internal cavity called ____________________________. 10._______________________is the largest phylum of the animal kingdom. They have jointed appendages and chitinous exoskeleton. Crustaceans include animals such as ______________ and _________________; Chelicerats include animals such as _______________ and _______________; Hexapods include all the _____________. Myriapods include ______________ and _____________.
Biology 103
Chapter 15 Animals
6.Animals evolve from simple to complex. The most primitive animals such as ________________ belong to Phylum Porifera. They have a flagellated cell called ___________________; they do not have tissue layers. 7.Phylum Cnidaria includes animals such as ____________________, ___________________, ______________________, and _________________. They have two germ layers: _______________ and ______________; they have unique protective cell called _______________. 8. Phylum Platyhelminthes is commonly known as _____________________. They have three germ layers: ________________, __________________, and __________________, but no coelom. 9.Phylum Nematoda (commonly known as ___________________) has three germ layers and an internal cavity called ____________________________. 10._______________________is the largest phylum of the animal kingdom. They have jointed appendages and chitinous exoskeleton. Crustaceans include animals such as ______________ and _________________; Chelicerats include animals such as _______________ and _______________; Hexapods include all the _____________. Myriapods include ______________ and _____________.
