Phylum Nematoda include what organisms?

describe the characteristics of phylum Nematoda.

describe the ascaris male reproductive system.

what are the circular and oval structures in both the female and male roundworms?

Where do female round worms they their eggs? Where to the eggs develop?

What other specimen is an example of phylum Nematoda?

How is the movemnet of roundworms different then that of segmented and flat worms? why is that?

describe the characteristics of phylum Arthropoda.

give and example of phylum Anthropoda.

describe the characteristics of phylum Echinodermata.

describe the inner portions of the sea star.

describe the characteristics of phylum Chordata.

describe the muscle structure of the perch

describe the heart of the perch

describe the urinary tract of the perch

Where is the swimmers bladder. What does it do?

describe the digestive system of the perch

describe the reproductive systems of the perch

how are the hearts of rats, frogs, a the perch different?

what is systematics?

what is phylogenetic?

what is taxonomy?

what are monophyletic clades?

what is cladisitcs?

what are homologous characteristics?

what are analogous traits?