1. Cite 5 characteristics of sponges: 2. Which characteristics are unique to ctenophores? 3. Cnidarians are diploblastic, possessing an ectoderm and endoderm. Name the gelatinous nonliving material found between these two tissues. What cells are found within this gelatinous tissue? List the functions of these cells. 4. Polyp body consists of a tubular sessile body. True or false? 5. Define radial and bilateral symmetry, and protostomes and deuterostomes:

1. Cite 5 characteristics of sponges: 2. Which characteristics are unique to ctenophores? 3. Cnidarians are diploblastic, possessing an ectoderm and endoderm. Name the gelatinous nonliving material found between these two tissues. What cells are found within this gelatinous tissue? List the functions of these cells. 4. Polyp body consists of a tubular sessile body. True or false? 5. Define radial and bilateral symmetry, and protostomes and deuterostomes:

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter28: Invertebrates

Section: Chapter Questions

Problem 6RQ: Most sponge body plans are slight variations on a simple tube-within-a-tube design. Which of the...

See similar textbooks

Similar questions

1. State the function of the following parts of the genus Romalea (grasshopper): antenna, tympanum, spiracles, ovipositor (female), gastric caeca, malphigian tubules, tracheae, air sacs What are the hairlike appendages called that anchor into the skin of annelids? What structures do earthworms have to help dispose of nitrogenous wastes? Briefly describe how earthworms reproduce and what structures are involved.
1. Describe the three body types of Sponges and identify the class possessing the body type and its spicules. 2. Give the classes of Cnidarians and describe their life forms and body structures.
8: Define the following terms as they relate to cnidarians: radial symmetry: diploblastic: epidermis: gastrodermis: mesoglea: gastrovascular cavity: nerve net: hydrostatic skeleton: polyp: medusa: cnidocytes: nematocysts:
1.What are the criteria which delimit the phylum to its classes? 2.What are the sponges which are commercially important? Mention some of their uses. 3. Give some economic importance of protozoan 4.. Why is there a decrease in the size of fat bodies in frogs during the breeding season?
For phylum Mollusca, Class Cephalopod 1. Characteristics. List whether the organism is:a. Diploblastic or triploblastic (if applicable) b. Deuterostome or protostome (if applicable) c. Coelomate, pseudocoelomate or eucoelomate (if applicable) 2. 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? 3. 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 the animal.
1. Compare and contrast an Acanthocephalan and a Rotifer by providing 5 points of comparison. Point of comparison Rotifer Acanthocephalan 1. 2. 3. 4. 5. 2. What structures are found in Acanthocephalans which allows them to perform its endoparasitic life? Explain
1. Articulate brachiopods are so-called because: a. they can communicate with one another b. they are divided by a pivot into two parts c. their valves interlock by means of teeth and sockets d. they have mouths full of teeth
In which of the following aspects are nematodes more complex than flatworms? a. External cephalization b. None among the other choices c. Musculature of the body wall d. All of the other choices (except "None among....") e. Osmoregulatory and excretory systems
Which of the following descriptions or features does/do NOT apply to Phylum Nematoda? a. Chitinous cuticle b. Sensory papillae c. Pseudocoelomate d. None among the other choices e. All of the other choices (except "None among....") f. Ecdysozoan g. Hydrostatic skeleton
Which phylum includes animals that have a water vascular system? a. Echinodermata b. Hemichordata c. Chordata d. Tetrapoda e. Amniota
Which of the following is not contained in phylum Chordata? Cephalochordata Echinodermata Urochordata Vertebrata
Most sponge body plans are slight variations on a simple tube-within-a-tube design. Which of the following is a key limitation of sponge body plans? Sponges lack the specialized cell types needed to produce more complex body plans The reliance on osmosis/diffusion requires a design that maximizes the surface area to volume ratio of the sponge Choanocytes must be protected from the hostile exterior environment Spongin cannot support heavy bodies.