How does the r-strategy predict the reproductive rates of a population of organisms? Organisms reach reproductive age more slowly but have shorter life spans. Organisms reach reproductive age more slowly and have longer life spans. Organisms reach reproductive age faster and have shorter life spans. Organisms reach reproductive age faster and have longer life spans.

How does the r-strategy predict the reproductive rates of a population of organisms? Organisms reach reproductive age more slowly but have shorter life spans. Organisms reach reproductive age more slowly and have longer life spans. Organisms reach reproductive age faster and have shorter life spans. Organisms reach reproductive age faster and have longer life spans.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter45: Population And Community Ecology

Section: Chapter Questions

Problem 21RQ: Which of the following is not a way that humans have increased the carrying capacity of the...

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Instructions: From the list below, select the type of reproductive barrier used to maintain species for each of the provided examples. Be aware, some barriers may not be used at all and others may be used more than once. Do not make assumptions, read each example carefully. Hybrid Inviability Temporal Hybrid Infertility Spatial Gamete Incompatibility EXAMPLE Two mules mate but never produce offspring Lions (Africa) and tigers (Asia) in the wild An owl (active at night) and a blue jay (active during the day) Why a plant cannot fertilize itself One fish species attracts a mate by humming and a second species by creating a patch of seaweed A goat and a sheep reproduce but the embryo never develops The reproductive openings of one species are 3 mm apart but in a second species they are 7 mm apart Behavioral Mechanical Hybrid Breakdown BARRIER
Match the statement with the correct reproduction method. * Asexual Reproduction Sexual Reproduction I can be very slow. I create genetically unique offspring. I increase genetic diversity so organisms that use my method are able to adapt to changing environments. I can be very quick. I do not increase genetic diversity so organisms that use my method have difficulty adapting to a changing environment. I create identical offspring. I do not produce gametes. O O O OO
Which 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.
The Case of the Sexually Arrested Orangutans Name Part I- A Call from Anne It was late in the work day and I was rushing around trying to get some new chimps settled in their habitat when the phone rang. "Hi Lisa, it's Anne and I've got a favor to ask. I know you have some captive male orangutans at the National Zoo and I'm hoping you'll help me collect some growth, development, and behavior data on these animals. I've enlisted the cooperation of curators at other zoos in the U.S. to help me assemble this database on juvenile male orangutan development. "As you may know," Anne continued, “when juvenile males are housed together, some begin to develop the characteristic secondary sex characteristics at age four, resulting in the massive body size, large cheek flanges and laryngeal sac, while others stay juvenile looking but grow to nearly adult size. I thỉnk the difference in development might be due to variation in the effects of captive stress, mostly from the presence of other adult…
Instructions: From the list below, select the type of reproductive barrier used to maintain species for each of the provided examples. Be aware, some barriers may not be used at all and others may be used more than once. Do not make assumptions, read each example carefully. Hybrid Inviability Hybrid Infertility Spatial Behavioral Mechanical Temporal Gamete Incompability Hybrid Breakdown EXAMPLE BARRIER Two mules mate but never produce offspring Lions (Africa) and tigers (Asia) in the wild An owl (active at night) and a blue jay (active during the day) Why a plant cannot fertilize itself One fish species attracts a mate by humming and a second species by creating an patch of seaweed A goat and a sheep reproduce but the embryo never develops The reproductive openings of one species are 3 mm apart but in a second species the are 7 mm apart
Which set of values for the intrinsic rate of increase, finite rate of increase, and net reproductive rate could describe the same growing population? (Note: you should not need to do any math to figure this one out. Just think through general interpretations of each parameter) Or = -0.14, A = 0.87, RO = 0.5 r = 3.0, A = 0.22, RO = 0.5 r = 0.22, A = 1.25, RO = 3.0 %3! r = = 0.22, A = -0.14, RO = 0.5
For each organism, create a survivorship curve by plotting the given information in a line graph. Title each graph "Survivorship Curve for [name of organism]." The y-axis should be labeled "Survivorship" and contain low, medium, and high indicators. The x-axis should be labeled "Life Span" and contain young, middle-aged, and old indicators. 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. Even before they hatch, the offspring are prone to high rates of predation. Many offspring die before they reach adulthood. Of the offspring that do survive, some will die in adulthood, and some will live their entire natural life span.
Match each organism to the most likely life strategy and growth type Organism Life Strategy K-Selected or r-Selected Growth Pattern Logistic or exponential Beavers are monogamous mammals that breed annually and produce a litter of about one to four kits. Kits remain in the care of the colony until two to three years of age. Century plants are flowering plants native to Mexico. Century plants live 10-30 years and flower only once in their lifetime and perish shortly after. THeir giant flowering stalks can reach up to 9m long but they reproduce primarily via suckers. Honeybees live in colonies as large as 50,000 bees. Only the queen lays eggs and lays up to 2,000 per day. The house mouse is a polygamous mammal with the gestation period of about 20 days and a litter size of up to 14. Mice nurse their young until about 20 days.
Need help Multiple choice Fewer than 3% of animals engage in direct care of their offspring. When might the benefits of parental care outweigh the costs? Choose the correct option and Explain why you choose that answer. a) All of the options. b) Species that feed on resources with high foraging effort (e.g., smaller insect prey versus larger insect prey). c) Species with highly immature young, for instance those with large brains that have long learning periods. d) Species with limited breeding opportunities.
Which of the following set of characteristics would best described a K-selected species (e.g. an elephant)? early reproduction with many, small offspring and short-lived early reproduction with few, large offspring and short-lived late reproduction with few, large offspring and long-lived O late reproduction with many, small offspring and long-lived
Bacteria reproduce by fission (splitting in two) and can respond very rapidly to environmental changes. A culture of bacteria is found to contain 4.95 X 109 bacteria and the carrying capacity of the culture is 5.0 X 109. How will the bacterial population change in the near future. Group of answer choices -it will increase very rapidly to K -it will increase very slowly to K -it will grow exponentiall -it will decrease very rapidly to K
A "eu-socially altruistic species" is... Group of answer choices are smart, social species like vampire bats and parrots, who help non-relatives and get help in return are like ground squirrels who put themselves at risk warning other squirrels, including relatives, of danger like ants, bees and naked mole rats: the workers help their parents and siblings but are sterile 19

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	Organisms reach reproductive age more slowly but have shorter life spans.
	Organisms reach reproductive age more slowly and have longer life spans.
	Organisms reach reproductive age faster and have shorter life spans.
	Organisms reach reproductive age faster and have longer life spans.