Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 34, Problem 7TY
Summary Introduction
Introduction: Living organisms possess different types of organ systems for the different types of work. These systems include
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You are confronted with two worms that, on first glance, appear to be very similar. Upon closer
examination, however, you note one difference that allows you to identify one specimen as an
earthworm and the other as a roundworm. That key characteristic is:
A. The presence of a gastrovascular cavity
B. The presence of a body cavity
C. The presence of a muscle layer around the digestive tract
D. The absence of a specialized gas exchange surface
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roundworm
Which of the following is responsible for the process of filter feeding in a sponge?
a. flame cells
b. cnidocytes
c. collar cells
d. mesoglea
Which of the following factors allows plethodontid (lungless) salamanders to survive and thrive
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A. Their small size
B. The fact that they are ectothermic
C. Their thin, permeable integument (skin)
D. The relatively high solubility of O₂ in air
E. All of the above
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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- Flatworms (platyhelminthes) possess a a. metanephridial system b. protonephridial system c. secretion kidney d. none of thesearrow_forwardWhich of the following is NOT true about the mesohyl? a. It is devoid of cells. b. Archaeocytes and other cells move about it. c. None among the other choices. d. It is a gelatinous extracellular matrix that forms a non-living middle layer in sponges. e. All of the other choices (except "None among...")arrow_forwardWhich 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.arrow_forward
- _1. Which of the following is/are not vertebrate appendage/s? a. scale b. antler c. pereiopods d. horn e. proboscis f. antenna _2. Which of the following activities is not carried out by every cell in the body? a. obtaining oxygen and nutrients b. performing chemical reactions to acquire energy for the cell’s use c. eliminating wastes d. largely controlling exchange of materials between the cell and its external environment e. reproducingarrow_forwardChoose which is FALSE among the following statements about the anatomy of annelids. A. Earthworms have mouth, teeth, pharynx, crop, gizzard, intestines, and anus. B. Species of leeches have either jaws and teeth or proboscis as mechanisms for bloodsucking. C. Leeches have anterior and posterior suckers, being the later as used for attachment only. D. The cirri is for sensory, while the parapodia is for respiration and locomotion. E. Leeches have a fixed number of metameres of 33-34 Choose which is FALSE among the following statements about the reproduction of annelids. A. Fertilization in leeches is internal, while in the oligochaetes is external. B. The seminal receptacles of each earthworm receive the sperm during copulation. C. Clitellum is visible in leeches only during the reproductive period, while absent in the juvenile stage of earthworms. D. Cocoons are produced by the ovaries to house the developing eggs. E. Organisms of…arrow_forwardTurbellaria are flatworms that have most of their body filled with: O a. Alarge complex reproductive system. O b. Branching digestive system. O c. Excretory system. O d. Muscles for swimming. e. Extensive respiratory system.arrow_forward
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Human digestive system - How it works! (Animation); Author: Thomas Schwenke;https://www.youtube.com/watch?v=X3TAROotFfM;License: Standard Youtube License