BIOL:CONCEPT+INVEST.ETEXT
5th Edition
ISBN: 9781264154173
Author: Hoefnagels
Publisher: MCG
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Question
Chapter 24.6, Problem 2MC
Summary Introduction
To determine:
How does thigmotropism help some plants to climb.
Concept introduction:
The orientation of a plant in response to a stimulus, which may be towards or away from the direction of the stimulus, is known as tropism. The various types of tropism occurring in plants include phototropism, thigmotropism, and gravitropism.
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Chapter 24 Solutions
BIOL:CONCEPT+INVEST.ETEXT
Ch. 24.1 - What adaptations contribute to the reproductive...Ch. 24.1 - Prob. 2MCCh. 24.1 - Prob. 3MCCh. 24.1 - Describe alternation of generations In the plant...Ch. 24.2 - Prob. 1MCCh. 24.2 - Prob. 2MCCh. 24.2 - Prob. 3MCCh. 24.2 - Prob. 4MCCh. 24.2 - Prob. 5MCCh. 24.3 - Prob. 1MC
Ch. 24.3 - Prob. 2MCCh. 24.3 - Prob. 3MCCh. 24.4 - Prob. 1MCCh. 24.4 - Prob. 2MCCh. 24.4 - Prob. 3MCCh. 24.4 - Prob. 4MCCh. 24.5 - Prob. 1MCCh. 24.5 - How does phytochrome help regulate seed...Ch. 24.5 - How do long-day plants differ from short-day...Ch. 24.6 - Prob. 1MCCh. 24.6 - Prob. 2MCCh. 24.7 - Prob. 1MCCh. 24.7 - Prob. 2MCCh. 24.8 - What did Tewksbury and Nabhan conclude about the...Ch. 24.8 - Prob. 2MCCh. 24 - Prob. 1MCQCh. 24 - Prob. 2MCQCh. 24 - What are the pro ducts of double fertilization? a....Ch. 24 - Prob. 4MCQCh. 24 - Prob. 5MCQCh. 24 - Prob. 1WIOCh. 24 - How does an exclusive relationship between a plant...Ch. 24 - Prob. 3WIOCh. 24 - Prob. 4WIOCh. 24 - Explain how plants grow toward light. Why is this...Ch. 24 - Prob. 6WIOCh. 24 - Prob. 1PITCh. 24 - Prob. 2PIT
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- Use the following information to answer the question(s) below. Martin Wikelski and L. Michael Romero (Body size, performance and fitness in Galápagos marine iguanas, Integrative and Comparative Biology 43 [2003]:376-86) measured the snout-to-vent (anus) length of Galápagos marine iguanas and observed the percent survival of different-sized animals, all of the same age. The graph shows the log snout-vent length (SVL, a measure of overall body size) plotted against the percent survival of these different size classes for males and females. Survival (%) 100- 80- 60- 40- 20- 0+ 1.9 T 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Log SVL (mm) 19) Examine the figure above. What type of selection for body size appears to be occurring in these marine iguanas? A) directional selection B) stabilizing selection C) disruptive selection D) You cannot determine the type of selection from the above information. 3arrow_forward24) Use the following information to answer the question below. Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined (see table) and used to determine the actual allele frequencies in the population. TT 0.49 Tt 0.42 tt 0.09 Refer to the table above. Is this population in Hardy-Weinberg equilibrium? A) Yes. C) No; there are more homozygotes than expected. B) No; there are more heterozygotes than expected. D) It is impossible to tell.arrow_forward30) A B CDEFG Refer to the accompanying figure. Which of the following forms a monophyletic group? A) A, B, C, and D B) C and D C) D, E, and F D) E, F, and Garrow_forward
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