Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 34.2, Problem 1CC
Summary Introduction
To determine: The reason that despite of being so soft and sessile, sponges are not eaten by other organisms.
Introduction: Sponges belong to phylum Porifera and lack tissue level of organization. These organisms are multicellular and produce various types of specialize cells. They are characterized by the presence of spores on their body surface.
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Instruction: Fill – up the taxonomic account, chemical component of spicule and type of body structure of each poriferan species representatives. Label the visible parts/ observable parts on each species representatives.
Taxonomic Account
Phylum
Class
Order
Family
Scientific Name: Euplectella sp.
Common Name:
Chemical
Component of spicule:
Type of Body structure:
Instruction: Fill – up the taxonomic account, chemical component of spicule and type of body structure of each poriferan species representatives. Label the visible parts/ observable parts on each species representatives.
Taxonomic Account
Phylum
Class
Order
Family
Scientific Name: Chalina sp.
Common Name:
Chemical component of spicule:
Type of Body structure:
Compare and contrast the body coverings of a free-living turbellarian, a monogenaen fluke, a cestode, and a nematode. Which problems does each solve or create? Be sure to consider locomotion, permeability, ciliation, and habitat, and to think of the entire life cycle.
Chapter 34 Solutions
Biology
Ch. 34.2 - Prob. 1CCCh. 34.3 - Prob. 1CCCh. 34.3 - Cnidaria: Jellyfish and Other Radially Symmetric...Ch. 34.4 - Prob. 1CCCh. 34.4 - Prob. 2CCCh. 34.4 - Prob. 3CCCh. 34.4 - What was the hypothesis tested by Fiorito and...Ch. 34.4 - Prob. 2EQCh. 34.4 - Prob. 3EQCh. 34.4 - What are some of the advantages of segmentation?
Ch. 34.5 - Prob. 1CCCh. 34.5 - Prob. 1CSCh. 34.5 - Prob. 2CCCh. 34.5 - Prob. 3CCCh. 34.5 - Prob. 2CSCh. 34.5 - Prob. 3CSCh. 34.6 - Prob. 1CCCh. 34 - Choanocytes are a. a group of protists that are...Ch. 34 - Prob. 2TYCh. 34 - Prob. 3TYCh. 34 - Prob. 4TYCh. 34 - Prob. 5TYCh. 34 - Prob. 6TYCh. 34 - Prob. 7TYCh. 34 - Prob. 8TYCh. 34 - Prob. 9TYCh. 34 - Prob. 10TYCh. 34 - Prob. 1CQCh. 34 - Prob. 2CQCh. 34 - Core Concept: Structure and Function Explain the...Ch. 34 - Prob. 1COQCh. 34 - Prob. 2COQ
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- Discuss the phrase “Sponges work well with so little.” In what particular instance would this be applicable in the life of a sponge? Cite specific examples ( 3) and explain briefly. Discuss the potential use of sponges as monitors of chemical pollutant stress in marine and freshwater ecosystems. Use concepts learned in Ecology. Most sponge species are of leuconoid construction, is this type of sponge construction an advantage or disadvantage?arrow_forwardSponge identity card. How are sponges characterized according to example of representing beings, basic morphology, type of symmetry, embryonic (germ) layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?arrow_forwardEvol question: If the common ancestor of Cnidarians were an open-ocean jellyfish, what would you infer regarding the evolutionary trends in the relative importance of the polyp and medusa stages?arrow_forward
- Consider things about sponges and Cnidarians. a) Pick one of these two groups, and state how they are important to their ecosystems (name which one you are discussing) b) Pick one of these two groups and state how they help humans directly (name which group you are discussing).arrow_forwardAnimal Kingdom, Part I Background: There are ten major phyla that represent the invertebrate animals. Though they all share animal characteristics, each phylum has unique characteristics that allow for identification and classification of those organisms. Scientists do not always rely solely on their memory to help them classify animals, they often rely on reference materials. In this activity, you will create your own reference for the animal kingdom. Instructions: Review the information found in the lessons on invertebrates including The Animal Kingdom, Body Plans, Phylum Placazoa, Phylum Porifera to review the key characteristics that define the phyla that you study. Create a concept map or illustrated drawing for each phylum (Placazoa and Porifera) that will help you classify invertebrate animals into that group.arrow_forwardNematode identity card. How are nematodes characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?arrow_forward
- Compare and contrast the Phyla Porifera and Cnidaria. Think: Symmetry, Form and function, Tissue layers (present or absent, if present which are represented), Musculature/how they move, Reproduction, Nervous system and sensory structures, Respiration, Digestion (and how they feed), and comment on unique cell types found in each.arrow_forward. Draw and label a lophophore and describe how it works in suspension feeding. What three phyla possess lophophores? What fourth lophotrochozoan phylum possess a feeding structure some have labeled a lophophore? How is its "lophophore" different?arrow_forwardPlanarians Whats the similarties and differences between planaria and the hydra and obelia. Mention the disgevdstive system, body form (radial vs. bilateral symmetry) and ecological attributes. Describe the function of each of the strucutres observed on Planaria, particulary the eyespots, auricles, and pharynxarrow_forward
- Compare and contrast ciliate and sponge reproduction by matching the process with the correct Phylum (Cilliophora, Porifera, both): can reproduce asexually by buddingarrow_forwardWhich statement about sponges is false? Their bodies are supported by silicaceous or calcareous spicules. They feed via flagellated choanocytes. They have cell layers and true organs. Some species live in fresh water. Their bodies have an extracellular matrix composed of collagen and adhesive glycoproteins.arrow_forward4 of 20 Which statement best describes how an earthworm moves? It forms pseudopods that ooze forward or backward. It contracts longitudinal muscles, which puts pressure on the hydrostatic skeleton and causes it to extend. It stretches its longitudinal muscles and pushes its fluid-filled body cavity forward. It alternates contractions of longitudinal and circular muscles. It uses the coordinated beating of many cilia.arrow_forward
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