Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 45, Problem 33CTQ
Describe the difference in evolutionary pressures experienced by an animal that begins reproducing early and an animal that reproduces late in its lifecycle.
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Match the term that best describes the different groups of primates.
a)Gibbons and Siamangs
b)Gorillas
c)Bonobos
d)Lemurs and Lorises
e)Marmosets
CHOOSE
Small bodied apes that are mostly brachiators
type of new world monkey with the ancestral trait of retained claws
largest primates that are primarily vegetarian
morphologically similar to chimpanzees; copulate throught female estrus cycle
the primates with the most ancestral/ primitive traits
What is the common ground between evolutionary biologists and developmental biologists who have adopted the perspective known as Evo Devo?
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…
Chapter 45 Solutions
Biology 2e
Ch. 45 - Figure 45.2 As this graph shows, population...Ch. 45 - Figure 45.10b If the major food source of the...Ch. 45 - Figure 45.16 Age structure diagrams for rapidly...Ch. 45 - Which of the following methods will tell an...Ch. 45 - Which of the following is best at showing the life...Ch. 45 - Humans have which type of survivorship curve? Type...Ch. 45 - How is a clumped population distribution...Ch. 45 - Which of the following is associated with...Ch. 45 - Which of the following is associated with multiple...Ch. 45 - Which of the following is associated with the...
Ch. 45 - Species with limited resources usually exhibit...Ch. 45 - The maximum rate of increased characteristic of a...Ch. 45 - The population size of a species capable of being...Ch. 45 - Species that have many offspring at one time are...Ch. 45 - A forest fire is an example of regulation....Ch. 45 - Primates are examples of: density-dependent...Ch. 45 - Which of the following statements does not support...Ch. 45 - Which of the following events would not negatively...Ch. 45 - A country with zero population growth is likely to...Ch. 45 - Which type of country has the greatest proportion...Ch. 45 - Which of the following is not a way that humans...Ch. 45 - The first species to live on new land, such as...Ch. 45 - Which type of mimicry involves multiple species...Ch. 45 - A symbiotic relationship where both of the...Ch. 45 - Which of the following is not a mutualistic...Ch. 45 - The ability of rats to learn how to run a maze is...Ch. 45 - The training of animals usually involves...Ch. 45 - The sacrifice of the life of an individual so that...Ch. 45 - Why are polyandrous mating systems more rare than...Ch. 45 - Describe how a researcher would determine the size...Ch. 45 - The CDC released the following data in its 2013...Ch. 45 - Why is long-term parental care not associated with...Ch. 45 - Describe the difference in evolutionary pressures...Ch. 45 - Describe the rate of population growth that would...Ch. 45 - Describe how the population of a species that...Ch. 45 - Give an example of how density-dependent and...Ch. 45 - Describe the age structures in rapidly growing...Ch. 45 - Since the introduction of the Endangered Species...Ch. 45 - Describe the competitive exclusion principle and...Ch. 45 - Jaguars are a keystone species in the Amazon....Ch. 45 - Describe Pavlov’s dog experiments as an example of...Ch. 45 - Describe the advantage of using an aural or...
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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
- Consider the temperature effect in the sex determination of a turtle species represented in the graph below. 100 What effect would a decrease in temperature below the epivotal temperature have on sex ratios of these turtles? 50 FT MT Temperature Fewer males and females will result. None of the other answers is correct. No difference in the proportion of females to males will result as only colder temperatures will alter the sex ratio in the offspring. More males than females will result. More females than males will result. To Percent female O O O Oarrow_forwardWhich of the following statements best describes the advantage of sexual reproduction in organisms? It reduces genetic variation, which may be useful in the future. It prevents adaptation in a changing environment. It yields offspring with novel combinations of traits. It eliminates the possibility of harmful traits being passed on. tnf: Which of the following statements best describes the functions of villi and microvilli? Villi and microvilli form the inner layer of epithelial tissue in the small intestine and increase the absorption of nutrients from chyme. Villi and microvilli absorb food through the small intestine via smooth muscle contractions called peristalsis. Villi and microvilli increase the surface area of the small intestine, which increases the absorption of nutrients by diffusion. Villi and microvilli increase the surface area of the small intestine, which aids in the absorption of bile salts and vitamin B12.arrow_forwardDefine sexual selection among primates (including both female choice and male competition) and explain how it shapes sex characteristics among primates. References are the books "Primate Behavioral Ecology" by Karen Strier and "Planet Without Apes" by Craig Stanfordarrow_forward
- Choose all of the correct statements below regarding fertilization. Check All That Apply At fertilization the sperm is activated to initiate development.At fertilization the sperm is activated to initiate development. The timing by which sperm enter oocytes is species dependent and shows no clear evolutionary patterns.The timing by which sperm enter oocytes is species dependent and shows no clear evolutionary patterns. The loss of RNA is associated with the germinal vesicle stage of oocyte development.The loss of RNA is associated with the germinal vesicle stage of oocyte development. Chemotactic molecule secretion by marine organisms provides a chemical guidance cue for sperm to locate eggs.Chemotactic molecule secretion by marine organisms provides a chemical guidance cue for sperm to locate eggs. The cortical granule reaction and the acrosome reaction occur in eggs & sperm respectively and are required during gamete formation.arrow_forwarddescribe thevarious eco-morphological and behavioural adaptations and strategies of Chiromantis xerampelina (Grey foam-nest tree frog) to survive in its environmentarrow_forwardDefine sexual selection and describe an example of intersexual and intrasexual sexual selection in animals. Be sure to detail what trait(s) is/are being sexually selected.arrow_forward
- give one species that is classified or exhibit the following: infanticide show a picture of it with its sexual traits (body stuctures, behavior, etc) and how these traits help their reproduction. explain give one specific example please and explainarrow_forwardWhy are there sexual conflicts of interest among primates between the sexes? Detail the "anisogamy problem." Are there overlapping interests between males and females? References are the books "Primate Behavioral Ecology" by Karen Strier and "Planet Without Apes" by Craig Stanfordarrow_forwardExplain why these ecological and physiological trait(s) are vital to the survival and persistence of the animal population. Put emphasis on the importance of adaptation to the environment and the development of these traits.arrow_forward
- design an experiment with a living creature to study and prove " Reciprocal inductive" from developmental interactionsarrow_forwardBecause many of the key mechanisms of evolution activate when sperm and egg combine, volutionary change happens faster for organisms with short life cycles (viruses, bacteria, fruit fly, yeast) compared to organisms with long life cycles (humans, elephants, tortoises). True Falsearrow_forwardA)Research shows that Neandertals coexisted with at least three other species, including Homo sapiens. There are some humans today that have Neandertal and Denisovan genes. Generate a hypothesis about how their genes are also a part of our genes. B) Using this information: In 1993, primatologist Richard Wrangham proposed that "Bonobo hypersexuality appears closely linked to the evolution of female-female alliances. I suggest that these alliances were made possible by relaxed feeding competition."Generate a hypothesis about why Bonobos behave this way..arrow_forward
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