fishing net brings up a soft bodied animal with a coiled external shell. How can you determine whether the animal is a gastropod or a cephalopod?  A) give one unique trait that would allow you to identify the organism as a member of class gastropoda.  B) give one unique trait that would allow you to identify the organism as a cephalopod

Charles a Biology student in California has found at the beach an animal he cannot name. What are some of the questions that he should ask to help determine the phylum of the animal?

A) Draw a phylogenetic tree for the major phyla of the animal kingdom. Label the appropriate branch points on the tree with the following features: Tissue, radial symmetry, bilateral symmetry, body cavity, deuterostomes, and protostomes.   B). Draw a diagram of a hydra. On the hydra, label the mouth (hypostome), tentacles, basal disk, ovary, budding polyp, gastrovascular cavity. State the function of each structure you labeled next to or under your diagram.

In which habitats do molluscs live?

In a tide pool, a student encounters an organism with: a hard outer covering that contains calcium carbonate, an open circulatory system, and gills.  The organism could potentially be a crustacean or a bivalve.  Which structure listed below would allow for the most certain identification?   A)the presence of a mantle B)the presence of a coelom C)the presence of a heart D)none of these options could be used for identification E)the presence of a complete digestive tract

What is the morphological feature of molluscs after which the phylum is named?

How are the dorsal and ventral surfaces differentiated in a preserved, adult earthworm? The dorsal surface is striated and the ventral surface is smooth. ) The dorsal surface is smooth and the ventral surface is flat. The dorsal surface has ridges and the ventral surface is smooth. The dorsal surface is segmented and the ventral surface is striated. The dorsal surface is darker than the ventral surface.

What are the functional significance of differences in shell morphology among gastropods and bivalves?

For Phylum Mollusca, Class Cephalopod 1. Organ/system characteristics. Answer the following for each organism:a. How is their circulatory system? b. Excretory/osmoregulation: How does the organism eliminate waste? What organs do they use?c. Skeleton/support: List the structures or ways this organism supports itself.   2. Ecology. Describe/answer the following for each organism:a. Does it have a complete or incomplete digestive system? How does this animal feed?b. Identify any unique feeding structure• Be sure to use the correct terms to identify any unique feeding structure(s) used by theanimal.

Which of the following is an example of an animal that has true tissues, has a coelom, is triploblastic, and is a Deuterstome?   Question 8 options:   a)  Echinodermata and Chordata   b)  Cnidaria   c)  Ctenophora   d)  Placozoa