Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
Publisher: PEARSON+
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 42.2, Problem 1HYEW
Summary Introduction
To determine:
The way by which the porcupines mate.
Introduction:
Porcupines are the rodents and belongs to the family Erethizontidae and Hystricidae, and class mammalia. They have a coat of sharp spines, or quills on the body. These spines protect the porcupines from predators. Porcupines are indigenous to North America and South America. They are usually found in the wooded areas, and can climb trees. Porcupines may be brown, gray, and white in color.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Polygyny is a common mating system in nature. Which one of the following scenarios is LEAST likely to result in a polygynous mating system?
Male stalk-eyed flies form leks where receptive females come visit
Male Neotropical giant damselfly defend water-filled tree holes, which are the oviposition sites for females. Suitable tree holes for oviposition are rare and females must mate with the resident male in exchange for access to the oviposition sites.
Male Bengal tigers defend large territories that contain food sources. Female Bengal tigers visit male territories to mate. The density of the Bengal tiger is extremely low that male tigers rarely encounter more than one female in their lifetime.
In the bumblebee-wolf Philanthus bicinctus, females are unreceptive until they finish constructing the long underground burrow as nest sites. Males search for locations containing a number of newly constructed burrows and attempt to control these sites against the intruders.
Your cousin Peter…
Which of the following statements is NOT the reason why females are choosy?
By being choosy, she can acquire advantageous genotypes for her offspring from her mates.
By being choosy, she can acquire resource for her offspring from her mates.
By being choosy, she can ensure that her male offspring can attract more females as well.
Her seeming choosiness is a by-product of her stereotypical behaviors exploited by the males for mating gains.
All listed above are reasons why she is choosy
To predict: The reproductive success of captive-bred
females released in the wild.
Chapter 42 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
Ch. 42.1 - Prob. 1TCCh. 42.1 - Prob. 2TCCh. 42.1 - Prob. 1CSCCh. 42.1 - Prob. 1CYLCh. 42.1 - Prob. 2CYLCh. 42.1 - Prob. 3CYLCh. 42.2 - Mammalian sperm dont live very long after...Ch. 42.2 - Prob. 1TCCh. 42.2 - Prob. 1HYEWCh. 42.2 - describe the human male and female reproductive...
Ch. 42.2 - explain how hormonal interactons control...Ch. 42.2 - describe spermatogenesis and oogenesis, the...Ch. 42.3 - In 2017, scientists used CRISPR Cas9 DNA editing...Ch. 42.3 - describe the principal methods of contraception,...Ch. 42.3 - Prob. 2CTCh. 42 - In humans, sperm are produced in the a....Ch. 42 - In humans, fertilization usually occurs in the a....Ch. 42 - Prob. 3MCCh. 42 - Prob. 4MCCh. 42 - Prob. 5MCCh. 42 - Reproduction by a single animal, without the need...Ch. 42 - In mammals, the male gonad is called...Ch. 42 - Prob. 3FIBCh. 42 - Prob. 4FIBCh. 42 - Prob. 5FIBCh. 42 - Oocytes develop in a multicellular structure, the...Ch. 42 - Describe the advantages and disadvantages of...Ch. 42 - Compare the structures of the egg and sperm. What...Ch. 42 - Prob. 3RQCh. 42 - List the structures, in order, through which a...Ch. 42 - Name the three accessory glands of the male...Ch. 42 - Prob. 6RQCh. 42 - Prob. 1AC
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_forwardLarge testes are probably advantageous in species with sperm competition because larger testes produce more sperm which increses males' probability of fertilization females choose males based on testes size more testosterone production increases fighting ability of males larger testes produce larger sized sperm which have a competitive advantage over other spermarrow_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 favor The sperm of chimpanzees have faster swimming speeds than those of gorillas. Based on what you know about sperm competition, what would you predict about differences between these two species in female re-mating frequency and sperm viability? In chimps, females mate only once and sperm are viable for only a day In chimps, females mate multiply and sperm live for a long time In chimps, females mate only one, and sperm live for a long time In chimps, females mate multiply, and sperm live for only a day Which of the following sexual traits is…arrow_forwardWhy would paired external fertilization be preferable to group spawning?arrow_forwardWhat is NOT a disadvantage of internal fertilization? the ability to reproduce on land without needing external water the need for more specialized reproductive structures the production of fewer embryos the reduction in the randomness of fertilization (less genetic variability in offspring)arrow_forward
- What is Bateman's principle? Bateman's principle Lots of sperm Feweggs Sperm must compete over eggs Vria iepaduivesc ie mudigae in males tan in female The vane isame ete emity of sa elecion Males must compete overfemales Lots of sperm Feweggs A Terrnitoral males direct more courtship dispiays towards females that have shown up on their teritory for the first time compared to long term females companions. Males must maimce the number of mates Preferencefor "new females A single bird eggmay constitute 15-20% of female's body mass Lots of sperm Few eggs Females must maimize reproductive success per egg CS Scanned with CamScannerarrow_forwardThe survival and reproduction of young Lazuli buntings (birds) depends on the brightness of their feathers, which range from dull brown to bright blue. Juvenile birds with dull brown feathers are not attacked by adult birds and are able to obtain high quality territories and reproduce more. Juvenile birds with bright blue feathers are more attractive to mates and reproduce more when they become adults. However, birds with intermediate plumage are often attacked by adults and usually fail to reproduce. This is an example of what type of selection? Stabilizing Directional Disruptive Frequency-dependent Artificialarrow_forwardBecause the reproductive success of female Hanuman langurs (Semnopithecus entellus) is almost certainly lowered when a newly installed male kills their young infants, selection should favor countermeasures against infanticidal males. In this light, why might already pregnant females mate with a new male soon after a takeover even though they are not ovulating? What significance do you attach to the discovery that when mares are impregnated by stallions at stables away from their home locations, they will also copulate repeatedly with the males in their home stables upon their return?arrow_forward
- Lynx mate in March and have litters of 3 to 5 kittens in May. Lynx kittens are born blind and naked. Their eyes open after 10 days. In 12 weeks, the kittens travel with their mother. They watch and learn how to hunt for hares. Their eyesight is more acute than their hearing or sense of smell. Lynx are active at night (nocturnal). Hares have litters of 2 to 4 offspring, with up to 4 litters over a summer. Hares are born with their eyes open and bodies fully haired. Birth weight doubles in 8 days. Hares use their good hearing and supersensitivity to ground vibrations, as well as speed and coordination, to escape lynx. Hares are active at night and spend the day grooming and resting. Classify the lynx as a r- or K-selected species. Provide evidence from the information given to support your choice.arrow_forwardWhat difference in size of feral cat, domestic cat that has both indoor and outdoor lifestyle, street cat? What will happen if female feral cat mates with male cat that has indoor/outdoor lifestyle?arrow_forwardOne cost to sexual reproduction is that looking for a mate costs time and energy. Group of answer choices True Falsearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning