EP CAMPBELL BIO.FOCUS-MOD.MASTER.(18WK)
3rd Edition
ISBN: 9780136781851
Author: Urry
Publisher: PEARSON CO
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 40, Problem 6TYU
INTERPRET THE DATA After examining Figure 40.13, you decide to study feeding relationships among sea otters, sea urchins, and kelp. You know that sea otters prey on sea urchins and that urchins eat kelp. At four coastal sites, you measure kelp abundance. Then you spend one day at each site and mark whether otters are present or absent every 5 minutes during the day. Graph kelp abundance (on the y-axis) versus otter density (on the x-axis), using the data below. Then formulate a hypothesis to explain the pattern you observed.
| Site | Otter Density (# sightings per day) |
Kelp Abundance (% cover) |
| 1 | 98 | 75 |
| 2 | 18 | 15 |
| 3 | 85 | 60 |
| 4 | 36 | 25 |
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Based on the food chain shown below, how can unregulated collection of shark fins used in shark fin soup cause the collapse of a coral reef ecosystem? To answer this question, continue the trend in abundance of each species indicated in the graph provided and explain your predicted trends. (PLS ANNOTATE THE GRAPH AS WELL)
Red-billed oxpeckers feed almost exclusively on what they can collect from the skin of large African mammals. This includes ticks and other ectoparasites, but also dead skin and blood of the mammal. The attached image shows a red-billed oxpecker sitting on the back of a warthog with a tick in its bill. A recent study found that the depletion of African mammals due to habitat loss and hunting leads to declines in oxpeckers.
Researchers were interested in whether the nature of the interaction between African mammals and oxpeckers was context-dependent. They compared the effect of removal of oxpeckers in two areas in which the number of ticks on the mammals differed.
Given the data described in the introduction to this section, what effect do African mammals have on oxpeckers
a) Positive
b) negative
c) neutral
Red-billed oxpeckers feed almost exclusively on what they can collect from the skin of large African mammals. This includes ticks and other ectoparasites, but also dead skin and blood of the mammal. The attached image shows a red-billed oxpecker sitting on the back of a warthog with a tick in its bill. A recent study found that the depletion of African mammals due to habitat loss and hunting leads to declines in oxpeckers.
Researchers were interested in whether the nature of the interaction between African mammals and oxpeckers was context-dependent. They compared the effect of removal of oxpeckers in two areas in which the number of ticks on the mammals differed.
In area 2, stomach content data of oxpeckers showed they consumed ~400 ticks per day. Cows were infested experimentally with large numbers of tick larvae and then oxpeckers were introduced at different stages in the tick life cycle (larvae; nymph; adult). They counted the number of adult ticks that dropped off the…
Chapter 40 Solutions
EP CAMPBELL BIO.FOCUS-MOD.MASTER.(18WK)
Ch. 40.1 - Explain how the suns unequal heating of Earths...Ch. 40.1 - Prob. 2CCCh. 40.1 - WHAT IF? If global warming increases average...Ch. 40.2 - Why are phytoplankton and not benthic algae or...Ch. 40.2 - Prob. 2CCCh. 40.2 - MAKE CONNECTIONS The addition of nutrients to a...Ch. 40.3 - Give examples of human actions that could expand a...Ch. 40.3 - WHAT IF? You suspect that deer are restricting the...Ch. 40.4 - DRAW IT Each female of a particular fish species...Ch. 40.4 - Imagine that you are constructing a life table for...
Ch. 40.4 - Prob. 3CCCh. 40.5 - Explain why a constant per capita rate of growth...Ch. 40.5 - Explain why a population that fits the logistic...Ch. 40.5 - Prob. 3CCCh. 40.6 - Prob. 1CCCh. 40.6 - WHAT IF? Mice that experience stress such as a...Ch. 40.6 - Prob. 3CCCh. 40 - Which of the following biomes is correctly paired...Ch. 40 - A populations carrying capacity A. may change as...Ch. 40 - When climbing a mountain, we can observe...Ch. 40 - According to the logistic growth equation...Ch. 40 - WHAT IF? If the direction of Earths rotation...Ch. 40 - INTERPRET THE DATA After examining Figure 40.13,...Ch. 40 - SCIENTIFIC INQUIRY Jens Clausen and colleagues, at...Ch. 40 - Prob. 8TYUCh. 40 - FOCUS ON INTERACTIONS In a short essay (100-150...Ch. 40 - Prob. 10TYU
Additional Science Textbook Solutions
Find more solutions based on key concepts
2. Define equilibrium population. Outline the conditions that must be met for a population to stay in genetic e...
Biology: Life on Earth (11th Edition)
Figure 1.18 In the example below, the scientific method is used to solve an everyday problem. Which part in the...
Concepts of Biology
Why is it unlikely that two neighboring water molecules would be arranged like this?
Campbell Biology (11th Edition)
How does trandlation differ from transcription?
Microbiology: Principles and Explorations
More than one choice may apply. Using the terms listed below, fill in the blank with the proper term. anterior ...
Essentials of Human Anatomy & Physiology (12th Edition)
11. In the early 1800s, French naturalist Jean Baptiste Lamarck suggested that the best explanation for the rel...
Campbell Biology: Concepts & Connections (8th Edition)
Knowledge Booster
Learn more about
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
- Based on the food chain shown below, how can unregulated collection of shark fins used in shark fin soup cause the collapse of a coral reef ecosystem? To answer this question, continue the trend in abundance of each species indicated in the graph provided and explain your predicted trends.arrow_forwardIn spadefoot toads there are two forms of the tadpoles: omnivores and carnivores. Environmental factors such as population density, oxygen concentration, and availability of food determine which form any particular tadpole takes. Consider the situation below. A single pair of toads produces a fertilized group of eggs in a pond. The pond dries a bit creating two separate ponds, one is deep and the other is shallow. All the tadpoles in the deep pond become omnivores and all the tadpoles in the deep pond become carnivores. There is a heavy rain and the ponds become connected again and the two groups of tadpoles mix together. The carnivores eat most of the omnivores and more of the carnivores become adult toads This is an example of Group of answer choices A. natural selection and evolution B. evolution only C. natural selection onlyarrow_forwardBased on the food chain shown below, how can unregulated collection of sharkfins used in shark fin soup cause the collapse of a coral reef ecosystem? To answerthis question, continue the trend in abundance of each species indicated in the graphprovided and explain your predicted trends. edit the picture pleasearrow_forward
- For each statement, select TRUE (1) if it is consistent with the food web presented above, or FALSE (2) if it is not consistent with the food web. If poaching by humans removed many elephants, then the number of wild dogs and lions would decrease. Reducing the number of species in this food web would likely increase the amount of time it takes this food web to recover from perturbation. A drastic reduction in the number of snakes due to wildfires would strongly affect mice in this ecosystem. Assume mice are not directly affected by wildfires. If a pesticide was applied to gourds and started to bioaccumulate in them, biomagnification would result in high concentrations of the pesticide in wild dogs. If a flood removed 50% of ants, then the biomass of pheasants would also decrease by 50%. Assume pheasants are not directly affected by flooding. Ants and mice may be competing for tulips.arrow_forwardYour textbook uses this graph as evidence for human hunting driving early exctinctions. Highlight this evidence by interpreting the important information on the graph. Start by accurately describing the way the graph looks, then identifying and describing important numbers and trends. When discussing numbers and trends, use the units and information found on the x and y axis. Finish with a conclusion. What does it tell us about prey switching and impacts of predation on biodiversity? Partridges and other small birds Hares and other small mammals Tortoises and shellfisharrow_forwardUse the following information to answer the next question. When intraspecific competition occurs within a species, some individuals may have a competitive advantage over others. For example, some members of a plant species may be able to grow longer roots and absorb more water. These individuals have an advantage over other members of the species during periods of drought, and are able to survive to pass this competitive trait to their offspring. From the information given above, one can conclude that intraspecific competition promotes O inbreeding O natural selection O artificial selection speciationarrow_forward
- When populations of ocean perch and herring are reduced, which other species in this ecosystem are directly affected? Identify at least two species that directly lose their food source.arrow_forwardReview the following figure, and then answer the two questions that follow. a)Given that beak size in mature adults does not change, what factor is driving the change in average beak size in Galápagos finches over time? Seed number Seed size Rainfall amounts Both b. and c. All of the above. b)What would you predict about beak size if the Galápagos experiences a wet year? More birds with small beaks will survive More birds with large beaks will survive Both a. and b. All of the abovearrow_forwardIn competition, individuals seek to acquire the samelimiting resources. For example, snow geese and caribouboth eat cottongrass.arrow_forward
- Draw a food web for Wytham Woods using the information on feeding relationships in Table 3.3.arrow_forwardUse the graphs to answer the question below. In each of the figures, the x-axis represents time, and the y-axis represents popule of Species 2. А. В. С. D. Which graph above shows acredator/prey relationship? Graph A O Graph B O Graph C Graph Darrow_forwardUse the passage to answer the question. Gupples and Predation Which of the following conclusions is the best interpretation of the data presented in the figure? This bar graph shows the nitrogen excretion rate for guppies as a function of predation. The orange bar indicates nitrogen excretion O A. Gupples from low-predation ponds reach larger body sizes and for gupples from high-predation ponds. The green bar indicates produce more nitrogen. nitrogen excretion for guppies from low-predation ponds. Guppies with larger body sizes excrete more nitrogen. B. Gupples from high-predation ponds produce less nitrogen to avoid 60 - being detected. C. Guppies from low-predation ponds digest food less efficiently, thus 40 producing more nitrogen. D. Gupples from high-predation ponds reach larger body sizes to avoid being eaten and digest food more efficiently, thus producing less nitrogen. Guppies from high- Gupples from low- ed Vie MacBook Air 000 20 888 F4 F10 F5 F2 @ $ % & * 2 3 4 5 6 7 8 9 { W…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Human Biology (MindTap Course List)
Biology
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cengage Learning
MARINE ECOSYSTEM (Animation); Author: EarthPen;https://www.youtube.com/watch?v=-wrUr0esoI0;License: Standard YouTube License, CC-BY