Four of the five answers listed below are characteristics of cnidarians. Select the exception. ciliated larvae O polyp form O jellylike matrix nematocyst O pharynx

Which phylum is characterized by a "tube within a tube" structure? O Echinodermata (O Mollusca O Arthropoda O Annelida

Describe the differences in the coelomic systems between Oligochaetes and Polychaetes. How do the differences in the coeloms relate to differences in locomotion? Which characteristics unify the lophophorates? Describe each characteristic and how it differs between the lophophorate phyla.

What are the fleshy extensions to watch the crystals of Polychaetes are attached A fins. Be tentacles, see arms, D feet e parapodia

Which of the following conclusions is supported by the diagram and the data table?  Number of cell types Platyhelminthes 30 Cnidaria 34 Nematoda 38   A. Platyhelminthes has the greatest complexity, and it is more closely related to Nematoda than to Cnidaria.   B. Nematoda has the greatest complexity, and it is more closely related to Platyhelminthes than to Cnidaria.   C. Cnidaria has the greatest complexity, and it is more closely related to Platyhelminthes than to Nematoda.   D. The complexity is equal among all three groups, but Platyhelminthes is more closely related to Cnidaria than to Nematoda.

Which Scyphozoan life stage performs sexual reproduction? Gemmule Planula Scyphystoma Medusa Ephyra

Please describe the lifestyle of SPONGES. Components and characteristics that you should address would include: Body symmetry Types of specialized cells seen in the sponges Mode of nutrition and HOW they feed Reproduction Life span Habitat Specializations that are dedicated to this group

The planula stage in Cnidarians is similar to what life stage in two other non-animal organisms? Explain how they are similar and why they are necessary. Please pay attention, it is talking about NON-animal organisms. Please talk about the stages ONLY.

Fill in the blank to escribe the route of water through an synconoid sponge by listing the numbers in the correct order. To answer - write the numbers with a space in between - e.g. 1 2 3 4 5 6 7 1. osculum  2. spongocoel 3. ostium in porocyte 4. apopyle 5. radial canal 6. prosopyle 7. incurrent canal

What unifies the hexapoda? Be able to recognize a few of these classes by sight, and be able to distinguish some of them. Be able to describe specializations of different organisms. Complete metamorphosis (holometabolous) vs incomplete metamorphosis (hemimetabolous)