☐17. (07.08 MC)The prairie chicken was once widely seen in many areas across the Great Plains. Due tothe conversion of prairie land into farmland, one species of the prairie chicken becameextinct. The only species of prairie chicken left are endangered mainly because ofhabitat loss. They require tall grass prairies as their habitat. Which of the following isthe best explanation for their endangered state? (4 points)The prairie chickens lack genetic diversity and resilience to changes in environment, resultingdecline of the population.Environmental perturbations increased the rate of adaptive alleles.The prairie chickens have adapted to many new environments.The prairie chickens are genetically diverse and resilient to environmental perturbations.

Option a: This option is correct. Option b: This option is correct or incorrect because Option c:…

Answered: ☐ 17. (07.08 MC) The prairie chicken…

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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Introduction The Rock Pocket Mouse The rock pocket mouse, Chaetodipus intermedius, is a small, nocturnal animal found in the deserts of thesouthwestern United States. Most rock pocket mice have a sandy, light-colored coat that enables them to blendin with the light color of the desert rocks and sand on which they live. However, populations of primarily dark-colored rock pocket mice have been found living in areas where the ground is covered in a dark rock calledbasalt caused by geologic lava flows thousands of years ago. Scientists have collected data from a population ofprimarily dark-colored mice living in an area of basalt called the Pinacate lava flow in Arizona, as well as from anearby light-colored population. Researchers analyzed the data from these two populations in search of thegenetic mutation responsible for the dark coat color. Their analyses led to the discovery of a mutation in theMc1r gene that is involved in coat-color determination. The MC1R Gene Two pigments…
5. Which organisms do leopard seals eat? 6. Which organisms eat krill? 7. What producer(s) can be found in the food web? 8. List one important type of organism missing from this food web: 9. If there was a large oil spill which blocked most of the sunlight, decreasing the amount of algae available, how would each of the following populations be affected? 10. Use the food web to identify organisms using the following table so that the killer whale is the quaternary (fourth) consumer. 1. Primary consumer 2. Secondary consumer 3. Tertiary consumer 4. Quaternary consumer Created by counting organisms at each level First level carnivores Herbivores Marine Plankton Population How it Will Be Affected: Cod Leopard seal Killer whale Created by weighing organisms at each level First level carnivores Marine Plankton © 2011 Vanema mn Herbivores Killer whale Created by measuring calories at each level First level carnivores Marine Plankton Herbivores A B с View the three pyramids above. Identify…
RD9 TBD1 0.99 RD7 RD8 RD10 0.99 0.99 M. canettii L4 12 13 L1 L7 L5 b Chimpanzee bacillus M. bovis M. caprae L6 ¹ M. pinnipedii Ancient Peruvian human remains M. microti M. mungi M. suricattae Dassie bacillus M. orygis 0.005 Gagneux 2018 Nat Rev Microbiol In this figure you can see a phylogenetic tree of Mycobacterium tuberculosis, the causative agent of tuberculosis (TB) and a few related mycobacteria. (You may or may not have seen this figure in a previous question in this exam.) In the tree, the M. tuberculosis lineages that are currently circulating in humans are indicated in color and are named L1 to L7. The pie charts on the world map indicate for each of these lineages where they occur. In the phylogenetic tree, names of Mycobacterium (M.) strains derived from non-human animals and from an ancient Peruvian mummy are written in full and are not colored. Which of the following statements is correct? The L4 lineage is more closely related to the L3 lineage than to the L2 lineage…
11.0 G. fortis 10.0- 1978 1976 9.0F 8.0 8.0 9.0 10.0 11.0 Midparent bill depth (mm) Geospiza is a genus of finches that inhabit the Galapagos Islands. In 1976, finches were grouped together based on the average depth of their bills. The data from the first generation of grouped finches are plotted on the X-axis. The bill depths of the offspring from each group are plotted on the Y-axis. In 1978, the experiment was repeated after a drought on the Galapagos Islands. The red line represents the data from 1976 and the blue line represents the data from 1978. The slope of both the red line is 0.90 and the slope of the blue line is 0.90. Was there any change in the heritability of the bill depth trait after the drought? Explain your reasoning. Offspring bill depth (mm)
Wolves Elk Willow 4. The top two graphs show how the population of wolves and the population of elk changed following the introduction of wolves into Yellowstone National Park. The third graph shows trends in the amount of growth of willows (data for annual growth ring size from two different studies). Fill in the table below for each organism: State whether population size or amount of growth generally decreased, increased, or stayed the same. Explain a likely reason for each trend. Use the information from the food web to understand the trends in elk population and willow growth. If an increase in a predator population results in a decrease in an herbivore population which in turn results in an increase in plant growth, this type of effect is called a trophic cascade. cb amalg nodiso Trend in population size or amount of growth Population Population (Thousands) 120 100 80 Ring area (mm2) 60 40 20 O 20 15 10 $ 20 15 10- 5 0 A Wolves B Elk F Willow 1990 1995 201508 2000 Year NEE)…
57. Lobster is a very valuable seafood export in Canada. The lobsters caught off the coast of Atlantic Canada make up 50% of the world lobster supply. In order to protect the lobster population from overfishing, the Government of Canada has conservation measures in place to ensure the population size is maintained. Some of the measurements include placing a limit on the number of fishing licenses issued, limiting the fishing seasons, establishing minimum and maximum lobster size limits, and protecting egg-bearing females. Fisheries and Oceans Canada regularly monitors and collects data to estimate the lobster population size.The carrying capacity of the lobster population can be best described as the Select one: a. initial bottom plateau in a logistic growth curve that demonstrates a stable population b. steep increase in an exponential growth curve that demonstrates the high biotic potential c. slow increase in a linear growth curve that demonstrates controlled and sustainable…
aineiq erit lo t Year Number of pythons removed 1998 6661 0000 2001 2002 2003 2004 2005 9007 2007 2008 6007 2010
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atmosphere is x | + /1185957/variants/1185957/take/7/ Which of the following characteristics describe greenhouse gases? Select all that apply. A Greenhouse gases begin to vibrate when they absorb outgoing terrestrial radiation. B Greenhouse gases begin to vibrate when they absorb incoming solar radiation. C Greenhouse gases are molecules made of more than one type of atom. D Greenhouse gases are molecules made of one type of atom. al Questions Answered Edio | Course Stude... LIL All Changes Saved insert
58. When Yellowstone National Park was created in the late 1800s, the grey wolf population was not protected, which led to the elimination of the population in 1926. In 1995, 21 wolves were reintroduced in Yellowstone National Park.Reintroducing wolves to Yellowstone National Park resulted in Select one: a. an increase in cougar population due to decreased intraspecific competition b. a decrease in cougar population due to increased intraspecific competition c. an increase in cougar population due to decreased interspecific competition d. a decrease in cougar population due to increased interspecific competition
3
39. Mites are common pests on individual fence lizards. Mites are observed to bite fence lizards to draw a blood meal, which increases mite population growth rates. Fence lizards respond by scratching their heads to remove mites. The population growth rate of fence lizards is not impacted by this interaction although it appears to be negative for the fence lizards that have mites. What is the best explanation to account for the population growth pattern in fence lizards. a. the interaction is a +, - interaction b. the interaction is at the organism level c. the interaction is a altruism d. the interaction is at the population level e. the interaction is a mutualism

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