Chordate Question

I would like to use the attached picture as part of a project I want to make sure I fully understand it. Can you help me understand the evolutionary advtanages of each of the following characteristics (see attached file) and how each of these help a class of the chordate phylum suit a particular environment vs that of the phylum preceding it (Echinodermata). Also can you give me the appropriate way to discuss. Ie. The Notochord first appeared in Urochordata..... Notochord Brain Head Vertabral Column Jaws, mineralized skeleton Lungs or lung derivatives Lobed Fins Legs Aminotic Egg Milk

Chordata on Phylogenetic Tree

Can you show me a good website that illustrates where cordata fits on the phylogenetic tree for a poster I am doing on Chordata?

The production of water by the electron transport chain is catalyzed by

Please help with the attached file.

Taxonomic Classifications Table

Animals are placed in taxonomic classifications based on differences and similarities of their traits. If you know what critical traits to look for, it is possible to separate any animal into a taxonomic category. The common categories are Domain, Kingdom, Phylum, Class, Order, Family, Genus and Species (Specific Epithet). Example: Human Classification Domain: Eukarya Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Primates Family: Hominidae Genus: Homo Species: sapiens Scientific name: Homo sapiens Download U5IP_Table. The document contains a table with images. The ima... click for more

How does the environment influence the body plans of organisms.

Describe how the environment influences the body plans of organisms.