Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 46, Problem 12TYU
WRITE ABOUT A THEME: ENERGY AND MATTER In a short essay (100-150 words), discuss how different types of energy investment by females contribute to the reproductive success of a frog, a chicken, and a human.
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Is the following case study an r-strategist or a K-strategist?
American toads practice explosive reproduction. During the first warm days in spring, both males and females migrate from forests and converge on ponds. Reproduction is quick, taking only a few days. Females lay hundreds of eggs in jelly-filled sacks along the sides of the pond or stream. As soon as the eggs are laid, males and females abruptly leave the pond. Offspring are left to develop, hatch, and grow on their own, maturing in about three months.
According to the figure for oppossums
Birth
Age (months): 0
Energy source:
Energy used for:
Baby
Juvenile
Maturity
Adult
Killed by
predator
1st litter
2nd litter
Independence
(8 pups)
(7 pups)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Mother
Gathered by self
Growth, metabolism, and repair
Metabolism, repair, and reproduction
delayed maturation = longer growth = larger litters
early maturation = shorter growth = larger litters
early maturation = shorter growth = fewer litters
delayed maturation = longer growth = more litters
Mockingbirds typically lay 3 eggs. If the mockingbird produces more than three eggs their young are often malnourished because they have so many to feed. If less than 3 eggs are produced they may not have any viable offspring. This is an example of
Chapter 46 Solutions
Campbell Biology (10th Edition)
Ch. 46.1 - Compare and contrast the outcomes of asexual and...Ch. 46.1 - Parthenogenesis is the most common form of asexual...Ch. 46.1 - WHAT IF? If a hermaphrodite self-fertilizes, will...Ch. 46.1 - Prob. 4CCCh. 46.2 - How does internal fertilization facilitate life on...Ch. 46.2 - What mechanisms have evolved in animals with (a)...Ch. 46.2 - Prob. 3CCCh. 46.3 - Why might frequent use of a hot tub make it harder...Ch. 46.3 - Prob. 2CCCh. 46.3 - WHAT IF? If each vas deferens in a male was...
Ch. 46.4 - How are the functions of FSH and LH in females and...Ch. 46.4 - How does an estrous cycle differ from a menstrual...Ch. 46.4 - WHAT IF? If a human female begins taking...Ch. 46.4 - Prob. 4CCCh. 46.5 - Prob. 1CCCh. 46.5 - In what ways are tubal ligation and vasectomy...Ch. 46.5 - Prob. 3CCCh. 46 - Would a pair of haploid offspring produced by...Ch. 46 - Identify which of the following, if any, are...Ch. 46 - How does the difference in size and cellular...Ch. 46 - Prob. 46.4CRCh. 46 - Prob. 46.5CRCh. 46 - Prob. 1TYUCh. 46 - In male mammals, excretory and reproductive...Ch. 46 - Prob. 3TYUCh. 46 - Prob. 4TYUCh. 46 - Prob. 5TYUCh. 46 - Prob. 6TYUCh. 46 - Prob. 7TYUCh. 46 - Prob. 8TYUCh. 46 - DRAW IT In human spermatogenesis, mitosis of a...Ch. 46 - Prob. 10TYUCh. 46 - SCIENTIFIC INQUIRY You discover a new egg-laying...Ch. 46 - WRITE ABOUT A THEME: ENERGY AND MATTER In a short...Ch. 46 - SYNTHESIZE YOUR KNOWLEDGE A female Komodo dragon...
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- Discuss and make comparisson about the reproductive organs of birds and reptiles. How are their reproductive patterns beneficial to their survival?arrow_forward2.4 INSTRUCTIONS: - Do not copy answers from Google or Bartleby. A plagiarism checker will be used. QUESTION: During the winter, many species of amphibians and reptiles go into a hibernation-like state called overwintering. They eat little or no food, slow their metabolism and breathing rate dramatically, and most of their bodily functions shut down. Interestingly, many of these species choose to spend the winter underwater. Why might it be advantageous to overwinter at the bottom of a pond rather than on land? EXPLAIN.arrow_forwardQUESTION 2 Viviparity • Commonly requires an energy rich yolk. • Occurs with external fertilization. • Requires extensive parental investment in offspring. • Requires a placenta in all animalsarrow_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_forwardThink critically A student want to study the Moulting in mosquitoes. He very much clear about the mechanism of Moulting but unfortunately he forgot to choose the right hormone. He has two types of hormone, juvenile hormone and moult inhibiting hormone. He tries with both the hormone in mosquitoes and observed the results. What will be the results to the mosquitoes development with the juvenile hormone and the moult inhibiting hormone. It's not an assignment or complex question. It's an entamology question. Kindly answer and Don't reject it under complex or essay type. It's not comes under those category. Thank youarrow_forwardBased on the text for roaches: Predict what factors in the environment can be altered to to stop the pest from reproducing. PLEASE USE INFO ON THE TEXT ONLYarrow_forward
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