BIOLOGY: CONCEPTS&INVEST. (LL)
5th Edition
ISBN: 9781264706983
Author: Hoefnagels
Publisher: MCG
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Question
Chapter 36.4, Problem 3MC
Summary Introduction
To analyze:
The selective pressures that result in sexual dimorphism.
Introduction:
The significant difference in shape among organisms of different sex within the same species is known as sexual dimorphism. For instance, the male in certain species, such as many animals, is bigger as compared to females. The female of certain species, like some spiders, is bigger than the male.
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Chapter 36 Solutions
BIOLOGY: CONCEPTS&INVEST. (LL)
Ch. 36.1 - What is ethology?Ch. 36.1 - Prob. 2MCCh. 36.2 - Prob. 1MCCh. 36.2 - Prob. 2MCCh. 36.2 - Prob. 3MCCh. 36.2 - Prob. 4MCCh. 36.2 - Prob. 5MCCh. 36.3 - Prob. 1MCCh. 36.3 - Prob. 2MCCh. 36.3 - Prob. 3MC
Ch. 36.4 - Prob. 1MCCh. 36.4 - Prob. 2MCCh. 36.4 - Prob. 3MCCh. 36.4 - Prob. 4MCCh. 36.4 - Prob. 5MCCh. 36.5 - What are some benefits and costs of group living?Ch. 36.5 - Prob. 2MCCh. 36.5 - Prob. 3MCCh. 36.5 - Prob. 4MCCh. 36.6 - Prob. 1MCCh. 36.6 - Prob. 2MCCh. 36 - Prob. 1MCQCh. 36 - Prob. 2MCQCh. 36 - Prob. 3MCQCh. 36 - Prob. 4MCQCh. 36 - Prob. 5MCQCh. 36 - Prob. 1WIOCh. 36 - Prob. 2WIOCh. 36 - Prob. 3WIOCh. 36 - Prob. 4WIOCh. 36 - Prob. 5WIOCh. 36 - Prob. 6WIOCh. 36 - Prob. 7WIOCh. 36 - Prob. 8WIOCh. 36 - Prob. 9WIOCh. 36 - In the 1930s. the population geneticist J.B.S....Ch. 36 - Prob. 1PITCh. 36 - Prob. 2PIT
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- Give three examples of female sexual selection for ornamentation in males and explain how preference for males with these ornaments increases the reproductive success of the female.arrow_forwardWhy males, in most of the species, provide no paternal care?arrow_forwardHow does density dependent affect intraspecific?arrow_forward
- What is eutely?arrow_forwardHow could changes in the environment affect populations of species with temperature-dependent sex determination?arrow_forwardFigure 43.15 Which of the following statements about hormone regulation of the female reproductive cycle is false? LH and FSH are produced in the pituitary, and estradiol and progesterone are produced in the ovaries. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. Both progesterone and estradiol are produced by the follicles. Secretion of GnRH by the hypothalamus is inhibited by low levels of estradiol but stimulated by high levels of estradiol.arrow_forward
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