Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 23, Problem 4AWK
Summary Introduction
To review:
The introduction of the zebra mussel into the great lakes that has a significant impact on the lake ecosystem.
Introduction:
There are some invasive species in our environment, which are introduced into the ecosystem that might overtake or dominate the native species. One such example is the zebra mussel, which was introduced in the Great Lakes by oceangoing vessels.
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One direct effect of the zebra mussel invasion was a decrease in the cloudiness of the water. How did this affect species in the Hudson River ecosystem?
1)The video discusses some of the factors that allowed lionfish to expand throughout the Atlantic region. Which of the following reasons were given for why the lionfish population has been able to expand so rapidly?
choose all that apply
a)Lionfish out-compete native fish for food
b)Atlantic predatory fish don't eat lionfish
c)Lionfish are able to breed more frequently than native fish
d)The Atlantic region has fewer parasites that attack lionfish
e)None of these
How has the invasion of zebra mussels in the Hudson River affected 1 biotic or abiotic factor in the river ecosystem?
Chapter 23 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 23 - Do you think extending nations' ocean territorial...Ch. 23 - Are there any marine protected areas (MPAs) or...Ch. 23 - What are the components of an ecosystem?Ch. 23 - Prob. 2CRCh. 23 - Describe what happens to a country as it undergoes...Ch. 23 - Define zero population growth and explain why it...Ch. 23 - Prob. 5CRCh. 23 - Prob. 6CRCh. 23 - Prob. 7CRCh. 23 - Explain why the water cycle is essential to all...
Ch. 23 - Discuss the importance of the carbon cycle.Ch. 23 - Discuss the phosphorus cycle and its importance.Ch. 23 -
1. Your college campus, including all the humans...Ch. 23 -
2. Which of the following will affect the biotic...Ch. 23 - A population is growing at a rate of 2% per year....Ch. 23 - The large intestine of humans is populated by a...Ch. 23 -
5. Which of the following characterizes mature...Ch. 23 -
6. _____ flow(s) one-way through ecosystems while...Ch. 23 - All of the following terms can appropriately...Ch. 23 -
8. A human maintaining a vegan diet (containing...Ch. 23 - All of the following processes are involved in the...Ch. 23 - Prob. 10TYCh. 23 - Prob. 11TYCh. 23 -
12. Which biogeochemical cycle does not include...Ch. 23 - Prob. 13TYCh. 23 - Which of the following statements is false? a. The...Ch. 23 - Which statement about the human fertility rate is...Ch. 23 - Given absolutely no environmental resistance, how...Ch. 23 - Prob. 2AWKCh. 23 - Prob. 3AWKCh. 23 - Prob. 4AWKCh. 23 - Prob. 5AWKCh. 23 - Prob. 6AWKCh. 23 - Least developed countries tend to be poorer than...
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- What is the problem of zebra mussels and invasive species in North America?arrow_forwardA group of golden lion tamarins were released into their natural habitat but most did not survive. The researchers found most were very underweight, presumably due to a lack of food availability. Using the information provided above, What is a possible solution to this human impact problem before releasing more tamarins into this habitat?arrow_forwardShrimp fishing off the coast of Georgia was closed in 2001, due to a drastic reduction in the shrimp population. Landings of blue crab plummeted in 2002 and 2003, as five years of drought and greatly reduced freshwater flow from underground aquifers led to increased salinity in coastal estuaries. These habitats between open ocean and fresh water are “nurseries” for many marine animals. Speculate about possible causes for the decline in shrimp and blue crab populations.arrow_forward
- Shrimp fishing off the coast of Georgia was closed in 2001, due to a drastic reduction in the shrimp population. Landings of blue crab plummeted in 2002 and 2003, as five years of drought and greatly reduced freshwater flow from underground aquifers led to increased salinity in coastal estuaries. These habitats between open ocean and fresh water are the “nurseries’ for many marine animals. Using information you learned in this lab, speculate about possible causes for the decline in shrimp and blue crab populations.arrow_forwardWhy is shark finning used in shark fin soup can lead to the destruction of the coral reef system?arrow_forwardA species of barnacle may be able to exploit a large volume of habitat but due to competition from other species this barnacle is confined to a smaller area within the larger volume. This area where the barnacle is acutally found is its __________. A) working space B) crevice C) fundamental niche D) realized niche E) potential nichearrow_forward
- Explain how humans caused the lion fish invasion.arrow_forwardWhat are the potential ecological consequences of introducing a non-native aquatic species into an established freshwater ecosystem?arrow_forwardSuchanek tracked the rate of growth of mussels when the two species had initially colonized a bare patch on the rocks (Figure 21.22). What can be concluded regarding the growth of these two species? 100 90- 80- California mussel 70- 60 blue mussel 50- 40- 30- 20- 10- 4. 12 18 20 24 28 32 36 40 Nov. 1975 patch age (months) Figure 21.22 Growth rates of two mussels in a bare rock patch in the low intertidal zone. Data points represent shell lengths of the ten largest individuals found in the patch on each sampling date. Dashed lines to the x- axis indicate estimated times of settlement and initial growth in the patch. Arrows on the growth curves indicate the smallest size at which each species may reach sexual maturity. The blue mussel appears to reach a maximum shell length, suggesting that they were outcompeted by California mussels. The California mussel colonizes the patch later but within a few months have grown to a larger size than blue mussels. The two species colonize the patch…arrow_forward
- Imagine that a certain foreign snake species has been set loose in Mississippi. They are flourishing in their new habitat, however, their effect on native ecosystems has been destructive. Explain the reasons behind this problem. How likely is this example?arrow_forwardPlasmodium is a vector for mosquitos. It is a protozoan that is the causal agent of malaria, which is responsible for killing as many 855,000 people in 2013, the majority of them being children. Populations of mosquitos are strongly influenced by the availability of standing water for egg-laying and larval development. How might mosquito density, and thereby human mortality, be affected by patterns of rainfall?arrow_forwardA federal agency has put you in charge of devising responses to the invasion of zebra mussels and quagga mussels. Based on what you know from this chapter, how would you seek to control the spread of these species and reduce their impacts? What strategies would you consider pursuing immediately, and for which strategies would you commission further scientific research? For each of your ideas, name one benefit or advantage, and identify one obstacle it might face in being implemented.arrow_forward
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