Campbell Biology Plus Mastering Biology with Pearson eText - Access Card Package (11th Edition)
11th Edition
ISBN: 9780134082318
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 51, Problem 51.3CR
In some spider species, the female eats the male immediately after copulation. How might you explain this behavior from an evolutionary perspective?
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Chapter 51 Solutions
Campbell Biology Plus Mastering Biology with Pearson eText - Access Card Package (11th Edition)
Ch. 51.1 - If an egg rolls out of the nest, a mother greylag...Ch. 51.1 - WHAT IF? Suppose you exposed various fish species...Ch. 51.1 - MAKE CONNECTIONS How is the lunar-linked rhythm...Ch. 51.2 - How might associative learning explain why...Ch. 51.2 - Prob. 2CCCh. 51.2 - Prob. 3CCCh. 51.3 - Why does the mode of fertilization correlate with...Ch. 51.3 - MAKE CONNECTIONS Balancing selection can maintain...Ch. 51.3 - WHAT IF? Suppose an infection in a common...Ch. 51.4 - Prob. 1CC
Ch. 51.4 - Prob. 2CCCh. 51.4 - Prob. 3CCCh. 51 - How is migration based on circannual rhythms...Ch. 51 - Prob. 51.2CRCh. 51 - In some spider species, the female eats the male...Ch. 51 - Prob. 51.4CRCh. 51 - Prob. 1TYUCh. 51 - Prob. 2TYUCh. 51 - Female spotted sandpipers aggressively court males...Ch. 51 - Prob. 4TYUCh. 51 - Although many chimpanzees live in environments...Ch. 51 - Prob. 6TYUCh. 51 - Level 3: Synthesis/Evaluation 7. DRAW IT You are...Ch. 51 - EVOLUTION CONNECTION We often explain our behavior...Ch. 51 - SCIENTIFIC INQUIRY Scientists studying scrub jays...Ch. 51 - SCIENCE, TECHNOLOGY, AND SOCIETY Researchers are...Ch. 51 - WRITE ABOUT A THEME: INFORMATION Learning is...Ch. 51 - SYNTHESIZE YOUR KNOWLEDGE Acorn woodpeckers...
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- In animals, the form of inter-sexual communication is often tied to the environment in which they live and operate. Describe how different forms of communication are linked to the environment in herptiles using three examples from three different taxonomic Orders.arrow_forwardList three functions of animal courtship rituals.arrow_forwardWith your knowledge of sexual selection theory, can you formulate a hypothesis that explains why female courtship might have evolved in this species? Is there anything about pipefish biology that might support your hypothesis?arrow_forward
- Why is mating important in external fertilization of animals? A) It ensures survival of offspring B) It ensures sperm dilution C) For pleasure D) It ensures fertilizationarrow_forwardWhat is one challenge posed by copulation between separate sexes? What are some adaptations that grasshoppers have developed that address these challenges?arrow_forwardFemale mimicry by males occurs in many species. For example, in the Broadley’s flat lizard (Platysaurus broadleyi), some males have the brown coloration of females while others are far more colorful (Whiting et al. 2009). Female mimics do secure some matings in the territories of their larger, more colorful rivals. Why are the bigger males (and those of the marine isopod Paracerceis sculpta) ever fooled into tolerating a female mimic? Why do female mimics occur in any species if the mating success of these individuals is lower than that of the bigger territorial males? Don't write from any online source..arrow_forward
- Some animals in captivity have reproduced without the need for a mate in a process called parthenogenesis. Examples include boas, pythons, bonnethead sharks, and komodo dragons. Initially, scientists thought this occurred because the animals were kept in optimal conditions for reproduction, but lacked access to a mate. However, scientists were surprised to discover that some species in the wild with access to mates also reproduce through parthenogenesis. An example is the pit-viper. Compare and contrast the processes of asexual reproduction through parthenogenesis and sexual reproduction for an animal such as the python. Describe the processes of i. asexual reproduction through parthenogenesis ii. sexual reproduction 2. Describe two pros and two cons of each form of reproduction. Explain each one.arrow_forwardIndividuals of some species of bony fishes change sex, some to maintain more males than females, others more females than males. What are the advantages and disadvantages of each situation? Are there any advantages and disadvantages in having an equal number of males and females?arrow_forwardWe discussed environmental sex determination in reptiles, where the sex of the individual is determined by environmental factors rather than chromosomes. Which of the following modes of sex determination would also fit that category? hermaphroditic earthworms hermaphroditic hermaphroditic all of the above nudibranchs (the "penis fencers") coral reef fisharrow_forward
- In seahorses, males incubate and care for offspring. Thus, the males are more likely to be tied up in reproduction at any point in time relative to females. Which sex do you predict will be the choosey sex in this species and why? Males -- because fewer are available to mate Males – because male-male competition is incredibly strong Females – because sperm are cheap to produce Female – because the operational sex ratio is biased in their favorarrow_forwardWhy might a “monogamous” bird seek extra-pair copulations?arrow_forwardFemale spotted sandpipers aggressively court males and, aftermating, leave the clutch of young for the male to incubate. Thissequence may be repeated several times with different males untilno available males remain, forcing the female to incubate her lastclutch. Which of the following terms best describes this behavior?(A) polygyny(B) polyandry(C) promiscuity(D) certainty of paternityarrow_forward
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