Use the extended life table to answer the question. What is the generation time of the Brazil nut (in decades, don't convert to years)?XNxlxdxqxmxNumber aliveAge Interval(decades)at beginningage intervalProportionof Surviving tobeginning ofage intervalNo. of Brazilnuts dyingduring theintervalMortality ratefor individualalive at start of.age intervalAveragenumber ofseed perindividual ofstage x100018000.800.02000.21600.802.7400.0410.0319.9390.039230.5922.7160.016161.0022.912345

A life table is a summary of a population's survival and reproductive rates, broken down by age,…

Answered: Age Interval (decades) 123 + 2 4…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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L Larvae and pupae per Bt plant 100 www -- Mosaic, Cry1Ac plant --0-- Mosaic, Cry1C plant -- Sequential, Cry1Ac plant --- Sequential, Cry1C plant Pyramid, two-gene plant I 1 1 1 3 6 9 12 15 18 21 24 Generation Figure 1. The figure above shows the average numbers of larvae and pupae of the moth found per Bt plant in each of the treatments. Note the logarithmic scale on the y-axis. Question 8. Assuming that the differences in moth density are due to toxicity differences, which of the different strategies was most successful at impeding the evolution of resistance in the moths between generation 12 and generation 24? 6 TOKH J Yourself
9. According to the figure, the predominant plant in an open site is roughly size. Adult 3 Category Plant size (area in cm²) Stage Adult 2 Seedling 0.5-5 5.1-35 Cotyledons present Nonreproductive Juvenile Adult 1 35.1-200 Potentially reproductive Adult 1 Adult 2 200.1-600 Potentially reproductive Adult 3 Larger than 600 Potentially reproductive Juvenile Seedling Adult 3 Adult 2 Adult 1 Juvenile Seedling 0.5 Proportion of population (b) A) larger than 600 B) 200.1-600 C) 5.1-35 D) 0.5-5 10. The demographic age pyramid of a rapidly growing population is A) wide at the base, narrow at the top. B) wide at the top, narrow at the bottom. C) wide at top and bottom, narrow in the middle. D) similarly wide from top to bottom. (a) 1.0 cm3 in
Observed number of n/N species individuals Virginia creeper Flowering 5 dogwood Swamp milkweed Virginia bluebells Mountain- 12 laurel 6 laurel Soft rush 1 Sugar Maple Goldenrod Swamp milkweed Mountain- 3 Metric Virginia West Virginia 3 (0) 11 4 6/27 5/27 1 10 1/27 3/27 12/27 a 11/29 pl 0.222 0.185 0.037 Table 2. Common angiosperm found in a West Virginia plot collected. n/N pi pi2 number of individuals order 0.111 0.444 Shannon Index pi2 0.049 0.034 Simpson Index (D) = Shannon Index (H) = - Σp, In p i=1 In pi -1.505 -1.688.312 Ool 3.297.122 042 -2.198.244 197 -812-361 1 ΣP²² i=1 pl in pl In pi -0.334 Which habitat is most diverse? Which has the least diversity? How do you know? Simpson Index pi In pi
The drooping, bell-like flower Aquilegia canadensis is adapted for cross-pollination. However, if the plant has not been pollinated previously, self-pollination can occur. However, if cross pollination occurs after self-pollination takes place, the pollen from cross pollination reaches the style before the pollen from self-pollination. Using course concepts and vocabulary 1) Provide a reasoning for this phenomenon. 2) Would this adaptation for reproduction be beneficial for the plant?
Define the following asexual reproduction of plants. 1. Budding 2. Fragmentation 3. Vegetation Propagation 4. Spore Formation Define the following asexual reproduction done by animals. 1. Binary Fussion 2. Budding 3. Fragmentation and Regeneration 4. Parthenogenesis
4. What are the common themes seen in plant shoot systems? How do shoot show phenotypic plasticity? Give some examples of modified shoots in your answer. 5. What are the common themes seen in plant leaf systems? How do leaves show phenotypic plasticity? Give some examples of modified leaves in your answer. • Previous Next MacBook Pro Ca Search or type URL 24
Trace the offspring of orchid flower up to second generation. Given: P-violet У - yellow Parent: PPX yy G- F1- P- G - F2- 1. A BI 三三三 III !!
Oryza rufipogon is the wild relative of cultivated rice. In its native SE Asia, annual and perennial populations can be found. Annual populations typically grow in aquatic habitats that dry out seasonally, while perennials typically grow in more permanent aquatic habitats. In their respective habitats, annuals produce narrower leaves than perennials. An experiment was conducted where annual and perennial seeds were grown together in a permanent aquatic habitat and demographic data on survival and fecundity were collected. The data are below: Annual seeds 1st year survival seeds per year 0.01 180 0.01 Adult survival rate Perennial seeds What additional data would you need to collect from this experiment to determine whether the differences in leaf shape described above have a genetic basis or are induced by the environment? What are your predictions if leaf shape differences are genetic? 90 0.0 0.4
When the average mass of individual plants in a stand is plotted against stand density (log-transformed), the slope of the relationship is very often around Multiple Choice -1/2. -1. +1/2. -3/2. +3/2.
TRUE OR FALSE 1. Seeds are part of the adaptations that land plants have made to live in terrestrial environments. 2. The female cone of a typical gymnosperm has only one ovule. 3. Sporophyte is the dominant generation of gymnosperms.
1. The highest survival rate was observed during _____ interval. 2. The likelihood that a 0-day egg will reach 17 days is ______. 3. The life stage with the highest mortality is ________.

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