BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Textbook Question
Chapter 20, Problem 1PIT
Review the Survey the Landscape figure in the chapter introduction. Add the terms population, community, and ecosystem along the right edge of figure 20.19. For each threat to biodiversity, connect to one of those three terms. Each new connecting phrase should explain how the threat affects biodiversity at the selected level of
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Biology
Introduced Species
Directions: Write a short response for each of the following scenarios, describing the effect of the invasive species
on ecosystems based on the information in the corresponding graphs. In your responses, please use complete
sentences with proper grammar and spelling.
0
3. The following graph shows the population of the barred owl and the spotted owl in the Oregon coastal
forests. The barred owl can be considered an invasive species since its range is expanding.
Response:
100%
80%
60%
Bo
owl
40%
Spotted owl
20%
2010
English (United States)
1990
Focus
E
Use the data in the Table below to answer the following 4 questions.
1. Create a graph (label this as Figure 1) of species richness and species diversity over the
study years. Upload your graph in the next question.
2. a) When was species richness lowest, and when was it highest? b)When was species
diversity lowest, and when was it highest?
3. What is the effect of invasive species H on community structure in year 3 compared to
year 8?
4. What is the overall impact of invasive species H on the species richness and species
diversity of this community?
TABLE
Species Richness
Species Diversity
YEAR 3
3
0.995
YEAR 8
5
1.516
YEAR 12
5
1.351
YEAR 15
6
1.197
NOTE: The image you need to see in order to answer this question is attachedA developer owns the property encompassing the three habitats above. By law, one of the habitats must be left intact to satisfy the zoning laws. The developer works with an environmental engineer to choose which of the habitats should be saved. The environmental engineer suggests that Site C should be saved. Which of the following choices best justifies this decision?Responses
A) Site C has greater species richness and species evenness than either Site A or Site B. This will promote the maximum sustainability for future generations of animals. B) Site C is tied with Site A for greatest species richness, but unlike Site A, it has representative species from all 3 of the sites within it. C) Site C not only contains the greatest number of species, it also has the greatest genetic diversity within each species. D) Site C has more unique species in it than either Site A or Site B
Chapter 20 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 20.1 - Prob. 1MCCh. 20.1 - Prob. 2MCCh. 20.1 - Prob. 3MCCh. 20.1 - Prob. 4MCCh. 20.2 - Prob. 1MCCh. 20.2 - Prob. 2MCCh. 20.2 - Prob. 3MCCh. 20.3 - How do toxic chemicals, nutrients, sediments, and...Ch. 20.3 - Prob. 2MCCh. 20.3 - Prob. 3MC
Ch. 20.4 - Why is CO2 accumulating in Earths atmosphere?Ch. 20.4 - Prob. 2MCCh. 20.4 - Prob. 3MCCh. 20.5 - Prob. 1MCCh. 20.5 - Prob. 2MCCh. 20.5 - Prob. 3MCCh. 20.6 - Prob. 1MCCh. 20.6 - Prob. 2MCCh. 20.6 - Prob. 3MCCh. 20 - Prob. 1MCQCh. 20 - What activity is the main cause of expanding...Ch. 20 - What is the connection between agriculture in the...Ch. 20 - What is the greenhouse effect? a. The filtering of...Ch. 20 - Prob. 5MCQCh. 20 - Prob. 6MCQCh. 20 - Prob. 7MCQCh. 20 - Prob. 8MCQCh. 20 - Prob. 1WIOCh. 20 - Prob. 2WIOCh. 20 - Prob. 3WIOCh. 20 - Prob. 4WIOCh. 20 - Prob. 5WIOCh. 20 - Prob. 6WIOCh. 20 - Prob. 7WIOCh. 20 - Prob. 8WIOCh. 20 - Prob. 9WIOCh. 20 - Prob. 10WIOCh. 20 - Prob. 11WIOCh. 20 - Prob. 12WIOCh. 20 - Prob. 13WIOCh. 20 - Prob. 14WIOCh. 20 - Prob. 15WIOCh. 20 - Prob. 16WIOCh. 20 - Prob. 17WIOCh. 20 - Prob. 18WIOCh. 20 - Prob. 1SLCh. 20 - Prob. 2SLCh. 20 - Review the Survey the Landscape figure in the...Ch. 20 - Prob. 2PIT
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- What are the possible effects of some ecological threats to the health of an ecosystem? Use the table format provided. You may add rows. Ecological threat effects to ecosystemarrow_forward1) Compare the biodiversity indices to one another. State a claim about the effect of pollution on the biodiversity of the stream ecosystem. Describe how the pollution levels affect the species richness and biodiversity of the stream. Justify your claim with evidence. Describe the difference in species richness you observed. Explain how human intervention can change biodiversity in positive ways.arrow_forwardMake a presentation using the ecosystem to show the interrelationship of animals and plants. It should be in a flowchart that hilights biodiversity and interdependence, when on species is removed the rest are in jeopardy.arrow_forward
- In a paragraph with complete sentences, describe two ways in which a rich biodiversity benefits human society.arrow_forwardName: Kathryn Laverty Date: Biology Introduced Species Directions: Write a short response for each of the following scenarios, describing the effect of the invasive species on ecosystem based on the information in the corresponding graphs. In your responses, please use complete sentences with proper grammar and spelling. 1. This graph comes from a study on the effects of European green crabs on the food web in Bodega Bay Harbor, California. 300 Response: 250 Wi 200 0 European Green Crabs Clams Crabs Year 2. The following graphs give information about the populations of Burmese pythons and mammals in the Florida Everglades. 400 SOME ANIMALS ON THE DECLINE IN EVERGLADES NATIONAL PARK 350 Crabs (no./trap) Clams (no./core) European Green Crabs (no./50m²)arrow_forwardAfter an extensive forest fire, an affected region of the forest shows signs of ecological succession. Place the steps of succession in the correct order. Arrange responses in the correct order to answer the question. Select a response, navigate to the desired position and insert response at that position. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can be moved using the up and down arrow keys or by dragging with a mouse. La comunidad de diversos organismos se acerca a un estado relativamente estable, y se establece una comunidad clímax. | The community of diverse organisms approaches a relatively steady state, and a climax community is established. Los herbívoros y carnívoros de mayor tamaño se más prevalentes a medida que los árboles más altos entran en la región. Estos árboles más altos dan sombra a algunas de las plantas más cortas. | Larger herbivores and carnivores become more prevalent as…arrow_forward
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- Short Answer Question: Please read the following question carefully and make sure to answer each component of the question to the best of your ability. Think of a location you have visited in nature (forest, beach, park, river, wetland, etc). Name it (general name like 'forest' is OK), give the definition of provisioning ecosystem service and provide one example of a provisioning ecosystem service provided by that location. Give the definition a regulating ecosystem service and provide one example of a regulating ecosystem service provided by that location. Give the definition of cultural ecosystem services and provide one example of a cultural ecosystem service provided by that location. 12pt v Paragraph B IU Al T² V v ✿ 4arrow_forwardClaim: O Complete the statement. Coral is a that affects the stability of an ecosystem. Reasoning: O Explain what a keystone species is and how your evidence supports your answer. O Explain how coral affects biodiversity and the stability of the ecosystem.arrow_forwardConsider aspects such as pharmaceuticals derived from plants, ecotourism, and the role of diverse ecosystems in supporting industries like agriculture and fishing. Include two examples where biodiversity loss has led to a loss of food, resources, or jobs.arrow_forward
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