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TREE OF LIFE ASSIGNMENT BIODIVERSITY

 
In this assignment you will practice applying and gain further knowledge about information form the lectures, “Tree of Life Part I” and “Tree of Life Part II”.

1000 WORDS
This assignment is due May 19th by 11:59 pm.
You will visit two websites, explore them, and answer some questions as you do.
Whenever I ask you to answer questions, please do so in the same document, and make sure to include the questions with your answers.
Part Ia – Exploring Taxonomy – Relative Taxonomic Diversity

1) Open the lecture slide pdf for the lecture entitled “Patterns of Biodiversity – Relative Taxonomic Diversity”.  It’s in Unit 1, 4 – Patterns of Biodiversity – Species in the lecture folder.  It is not a narrated lecture.  You will be reading through the slides to answer the questions below. 

2) We will start by focusing on the major groups (animals, fungi, plant, protists, bacteria).  For each group there are estimates of the total number of species already described and the predicted total alive today.  For the “animals” you are going have to add values from the slides with information on vertebrates, crustaceans, arachnids, round worms, and insects.

a) What is the major group with the most described number of species?  What are the described and predicted values?  
b) Some groups are better described than others.  Which major group has the lowest ratio of described to predicted species?
3) Please answer the same questions as in question 2, but focus on the subgroups within animals.
4) What was the main take-away you got from answering these questions?
Part Ib – Exploring Taxonomy – Categorizing Life 
1) In the “Tree of Life Web Project” website, go to the “Browse” menu and choose the “Root” menu item. 
2) I am going to have you move up the categories from the root to humans.  I am going to give you a sequence of links to follow.  In the root, notice there are three main branches at the top of the page that are highlighted as links.  Each branch has a taxonomic designator and then in parentheses a description of what’s in the group.  I am going to provide you with one descriptor for each branch point.

So starting at the root follow this sequence: animals, metazoa, vertebrates, vertebrates, vertebrates and relatives, hagfishes and vertebrates, lampreys and jawed vertebrates, jawed vertebrates, lobbed-finned fishes and four-legged vertebrates, mammals, mammals, mammals and their extinct relatives, mammals and their extinct relatives, mammalia, placental mammals, monkeys, humans, humans, humans, modern humans.

You should end with Homo sapiens.

Please answer the following questions:

1) List the containing groups for Homo sapiens.  All you have to do is go to the right-hand panel and they are listed there.

2) For three containing groups use Wiki to find the shared derived characteristics that set that group apart from other groups. 
3) Pick any species you are interested in and search Wikipedia for it’s taxonomic classification.  What is the classification for the species you picked?  (Note:  I do not trust wiki for everything.  I stay away from it for “controversial” subjects like climate change or evolution.  There are too many people editing wiki without good scientific knowledge of subjects like this.  Taxonomic classification is generally well done on Wiki.)
 
Part II – Exploring Phylogenetics – The Tree of Life
1) Please go to the Evogeneao website (www.evogeneao.com) and go to the “Learn” menu and choose the “Tree of Life” menu item.
2) Read the first four of five sections of text on that page.
3) Answer the following questions.  Keep your answers to a sentence or two.  (DO NOT cut & paste answers from the website.  Paraphrase to avoid plagiarism).
a) What is the point of view of the diagram of “The Tree of Life” on this website?
b) How is the diversity of bacteria distorted in this diagram?
c) What’s been left out of this diagram?
d) The common ancestor of all life was between which two major branches of the evolutionary tree.
4) Watch the “Evogeneao Tree of Life Introductory Video “(https://www.evogeneao.com/explore/videos).  It’s about five minutes.  You are unlikely to understand how to complete the assignment unless you take the time to watch it.   
5) Click on the image of the “”Tree of Life” at the top of the page.  I recommend saving it and printing it out in landscape mode.  You can also expand the image using the key presses assigned to do that on your system.
Use the diagram to answer the following questions:
a) Approximately how many years ago did life first evolve?
b) Approximately when did the common ancestor of plant and animals branch off from the bacteria?
c) Approximately when did the armored fishes go extinct?
d) When did most of the dinosaurs go extinct?
e) Which branch of the dinosaur tree is extant (still alive today)?
f) Name three groups that first appeared during the “Cambrian Explosion”.  This was a period of time when there was a rapid diversification in life.
6) Go to the “Explore” menu and choose “Tree of Life Explorer”.  The video you just watched gave instructions on how to use the explorer.  Basically you click on the group’s name that you want to trace ancestry to with humans.  Hit the reset button before doing the query.
7) a) What degree of cousin’s and how many times removed are frogs from Humans?
b) Approximately how long ago did we share a common ancestor with frogs?
c) What degree of great grandparents is the common ancestor of frogs and humans?   Yes, you had a great grandparent that was also the great grandparent of frogs.

8) Please answer the same three questions as in question 7, by tracing the ancestry of humans and bacteria.
9) Choose any two groups of organisms and answer the same three questions as in question 7, by tracing your common ancestry with them.

 

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Expert Essay Writers | Biodiversity and the Revitalization of the LA River

Get your original solution. SOLVED  
Overview & Background
For this assignment, we will be focusing on one of the goals of the Los Angeles River Revitalization Master Plan: to revitalize the river by improving water quality and restoring a functional ecosystem. 
For this assignment, you will again focus on the animal species you selected for LA River Species Selection discussion. Some of you have been researching a native species that is found along the Los Angeles River, while others have been researching a Introduced species. As such, you are going to approaching revitalization of the river from different perspectives.
There are two parts to this assignment. First, to better understand the ecological impacts of the concrete channelization of the river, you will explore iNaturalist and look at the distribution of your species in channelized areas. Second, you will provide an analysis of the revitalization.  The instructions below will walk you through each part.
Links to iNaturalist places for the two channelized stretches of the Los Angeles River that we will focus on: 

Los Angeles River – Universal City
Los Angeles River – Downtown

Links to iNaturalist places for soft-bottom stretches of the Los Angeles River: 

Los Angeles River – Elysian Valley
Los Angeles River – Sepulveda  Basin Wildlife Reserve

Assignment Requirements
Part 1: Exploring the your species distribution using iNaturalist and graphing

Use the links for the channelized locations in the LA River Los Angeles River – Universal City and Los Angeles River – Downtown. Type the name of your species into the species box to see the number of observations of your species found in these two locations. Record the following information for EACH location:

How many observations are there of your species in the channelized sections of the river?
Save a picture or screenshot of a map of iNaturalist observations in the two channelized stretches of the Los Angeles river.

Use the links for the soft-bottom locations in the LA River Los Angeles River – Elysian Valley  and Los Angeles River – Sepulveda  Basin Wildlife Reserve.  Type the name of your species into the species box to see the number of observations of your species found in these two locations. Record the following information for EACH location: 

How many observations are there of your species in the soft-bottom sections of the river?
Save a picture or screenshot of a map of iNaturalist observations in the two soft-bottom stretches of the Los Angeles river.

Create a column graph that compares the number of observations of your species in the two channelized stretches of the LA River with the number of observations of your species in the two soft-bottom stretches of the LA river. Be sure to properly label the x- and y-axes.

Based on these data, do you think your species is common or rare in the concrete channels? 
Based on these data, do you think your species is common or rare in the soft-bottom sections?
Do you see a difference in the number of observations of your species in the soft-bottom vs. channelized sections? If so, propose an explanation for why that difference might exist, or if there is not one why might this be? In your explanation, consider factors like, the quality of the habitat, the number of observation-collecting visitors to each of these locations, etc.
Is the pattern of observations for your species in the soft-bottom and channelized sections similar to that for other species in your taxonomic group – mammals, birds, insects, fish or reptiles/amphibians (type this into the ‘Species’ box, see Species Selection assignment from last week for more detailed directions). Is the pattern for the total number of observations (of ALL species) for each of these sections similar? Propose an explanation for why the pattern for the number of observations might be similar or different for other species in your taxonomic group or for all species. 

Part 2A: Planning for revitalization 
Very important: Complete Part 2A if your species is NATIVE to the LA River. Skip this section if your species is INTRODUCED to the LA River

From the list below, choose the two restoration actions that you believe would have the largest positive impact on your species.

Planting more native plants and trees
Increasing habitat connectivity by connecting smaller patches of habitat

Removal of invasive plant species, including trees, shrubs, and weeds
Installation of boulders, rocks, and logs to create microhabitats 
Installation of more trash screens on storm drains to reduce trash flowing into the river

For each of the restoration actions that you chose, write a 3-5 sentence explanation of how this action would benefit your species. You should reference specific aspects of the species’s biology and ecology from your Individual Species Research. The explanation for each restoration action must include at least one in-text citation. 

Remember to cite all sources fully, including in-text citations and a properly formatted reference list at the end, for full credit. Please make sure that your sources are credible and that you properly cite all sources.
Part 2B – Planning for revitalization
Very important: Complete Part 2B if your species is INTRODUCED to the LA River. Skip this section if your species is NATIVE to the LA River

Should your species be eradicated from the LA River?  

What would be two benefits for the LA River ecosystem if your species would be removed?  Write a 3-5 sentence explanation of how your species could be damaging the LA River ecosystem.  As an example, think back to the crayfish paper we read.  Does your species feed on native species?  Does it compete with it?
What would be two costs to the LA River ecosystem if your species would be removed?   Write a 3-5 sentence explanation of how the removal of your species would hard the LA River ecosystem.  As an example, many native predators may now eat Introduced species or Introduced species may actually improve the habitat along the river.

You should reference specific aspects of the species’s biology and ecology from your Individual Species Research. The explanation for each must include at least one in-text citation. 

Remember to cite all sources fully, including in-text citations and a properly formatted reference list at the end, for full credit. Please make sure that your sources are credible and that you properly cite all sources.
Submission Guidelines
Upload your answers for Part 1 and Part 2 of this assignment (including maps and graph) as a Word document or as a pdf. Please clearly number your answers.
Grading
To see how this assignment will be graded, scroll down to view the grading rubric. If no rubric is visible, click on the three dots in the upper right corner of this page, then click “Show Rubric”. If you’re reviewing this assignment using the Canvas mobile app, the rubric is included in the Grade tab.
Note: While I am not specifically grading you on your spelling or grammar, scientific communication is an important skill. Please proofread and spellcheck before submitting to ensure that your ideas come across clearly. Up to 10% may be deducted for excessive grammar and spelling errors that affect the readability of your work.
Helpful Resources

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Image credit: USDA National Agroforestry Center. Accessed from Conservation Buffers, https://www.fs.usda.gov/nac/buffers/guidelines/2_biodiversity/3.html (Links to an external site.). This image is in the public domain.

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Expert Essay Writers | Local Invasive Plants – Local Invasive Plant 5

Get your original solution. SOLVED  Read this please: Work with no.1 tree of heaven please, thats my topic
For this post you will become an expert on an invasive species. If you are the first person to post, read the first plant profile (Tree-of-Heaven) the second person to post, read the second plant profile (Maltese Star-Thistle), etc.
To avoid working on a post that another student is working on, you are encouraged to submit a placeholder post and then submit a second post with your response once you’re done. If there are 6 people in your group, one of the invasive species will have two posts. Please assure you all use different sources for the invasive species that has a second post.
Click on one of the invasive species plant profiles below:

Tree-of-Heaven –  Ailanthus altissima
Maltese star-thistle – Centaurea melitensis
Fountain grass – Pennisetum setaceum
Brazilian pepper tree – Schinus terebinthifolius
London rocket – Sisymbrium irio

Post Requirements:
This assignment requires two posts, each completed individually. Both of your posts need to be written in your own words. No credit will be given for responses copied directly from the plant profile.
First Post – Due Thursday

List the top three reasons you feel this species is of concern in the Los Angeles River Watershed. For reach reason, explain why this makes this plant a cause for concern.  Be sure to support your argument with evidence from the plant profile you read.
Based on the distribution of the plant (see the maps), biology and ecology and the methods of eradication, do you think it is possible to safely eradicate (completely remove) this species from the watershed? Why or why not? Support your argument with specifics from the plant profile.

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Expert Essay Writers | Máy phát điện Cummins 50 kVA Nhập khẩu Chính Hãng

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Máy phát điện Cummins 50 kVA Nhập khẩu Chính Hãng được biết đến là Máy phát điện chạy dầu trung quốc được đánh giá cực cao hiện nay. Máy phát điện cao cấp này là loại máy phát điện phổ biến và có mức giá thành cực hợp lý. Không những thế, dòng máy này còn đem lại rất nhiều lợi ích khác nhau đến cho người dùng. Để tìm hiểu những thông tin chi tiết về sản phẩm này, hãy cùng HQ Power đọc ngay bài viết dưới đây nhé!
Chi tiết thông số kỹ thuật của máy phát điện Cummins 50 kVA Nhập khẩu Chính Hãng
Trước khi chọn mua sản phẩm Máy phát điện Trung Quốc cao cấp này, người dùng cần tham khảo chi tiết một số thông số kỹ thuật của máy như sau:

Những thông số kỹ thuật của Máy phát điện nội địa Trung Quốc Cummins 50 kVA

Model tổ máy: C55D5.
Tình trạng: Mới 100%, Nhập khẩu và chính hãng.
Xuất xứ: Trung Quốc.
Công suất liên tục (Kva): 50.
Công suất dự phòng (Kva): 55.

Những đặc điểm nổi bật của máy phát điện Cummins 50 kVA Nhập khẩu Chính Hãng
Máy phát điện Cummins 50 kVA Nhập khẩu Chính Hãng hiện đang là dòng máy phát điện nội địa Trung Quốc được nhiều người dùng ưu tiên lựa chọn. Không những thế, sản phẩm này còn sở hữu nhiều đặc điểm nổi bật có thể kể đến như:

Máy phát điện Cummins 50 kVA sở hữu rất nhiều đặc điểm nổi bật khác nhau
Động cơ Cummins Dongfeng của máy phát điện Cummins 50kVA
Máy phát điện Cummins 50 kVA Nhập khẩu Chính Hãng này sử dụng động cơ Cummins Dongfeng được đặt ở nhà máy sản xuất tại Hồ Bắc, Trung Quốc. Ngoài ra, động cơ này còn được trang bị công suất cực đại lên đến 55kw gồm có 4 xy-lanh. Từ đó giúp làm mát động cơ bằng nước tuần hoàn cưỡng bức và giải nhiệt bằng két nước loại 50 độ C.
Đầu phát Stamford (UK) của máy phát điện Cummins 50kVA
Đầu phát Stamford của máy phát điện Cummins 50 kVA là sản phẩm cao cấp của thương hiệu hàng đầu thế giới. Loại đầu phát tự động kích từ không chổi than và tự động điều chỉnh điện áp với độ ổn định điện áp nên đảm bảo an toàn cho thiết bị tiêu thụ điện. 
Lời kết
Máy phát điện Cummins 50 kVA Nhập khẩu Chính Hãng hiện đang là sản phẩm được rất nhiều người dùng đánh giá cực cao. Sản phẩm này không chỉ có độ bền bỉ lâu dài mà còn đảm bảo đáp ứng mọi nhu cầu sử dụng của người dùng. Chính vì thế, chần chừ gì mà không liên hệ ngay với HQ Power để sở hữu sản phẩm cao cấp này. 

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