Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 30, Problem 4TYK
Summary Introduction
Introduction:
Ctenophores have a complex set of net arranged in tentacles. The complex nervous system is observed in bilateral organisms and they have a range of nerves from the net to complex. Cnidarians have organized nerves in an arrangement of nerve net.
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Members of Chondrichthyes are thought to be descended from fishes that had ________. a. a cartilaginous skeleton b. a bony skeleton c. mucus glands d. slime glands
Select all of the following that are true about cephalopods.
A)They may be very large and can weigh over 1000 pounds.
B)They are very intelligent and are capable of learning by observation.
C)They are exclusively herbivorous.
D)They have a closed circulatory system
E)They lack a shell.
Which of the following statements about bilaterian animals is false?
A. Many bilaterians are invertebrates but some are not.
B. All bilaterians are triploblastic (have three germ layers).
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D. Most bilaterians have tissues but some do not.
Chapter 30 Solutions
Biological Science (6th Edition)
Ch. 30 - 1. What synapomorphy (shared, derived trait)...Ch. 30 - 2. In a tube-within-a-tube body plan, what is the...Ch. 30 - True or false? Many new major animal body plans...Ch. 30 - Prob. 4TYKCh. 30 - 5. Why is it ecologically significant that animals...Ch. 30 - Prob. 6TYUCh. 30 - 7. CAUTION Evaluate this statement: Animals...Ch. 30 - 8. Which of the following is an example of...Ch. 30 - Suppose that a gene originally identified in...Ch. 30 - Some sea anemones can produce large colonies by...
Ch. 30 - Why did animal phyla appear so suddenly during the...Ch. 30 - Sperling and Knoll’s approach was to compare the...Ch. 30 - 13. Which of the following traits would help the...Ch. 30 - 14. PROCESS OF SCIENCE The researchers analyzed...Ch. 30 - QUANTITATIVE The graph shows a sample of the...Ch. 30 - Sponges lived in low-oxygen oceans before the...
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