Ecology questions and answers in February 2023

Plant growth provides food for herbivores that in turn can impact the productivity of the ecosystems that they graze. Herbivores remove green leaves and therefore lower potential whole-ecosystem photo...
Please help me with this practice questions:  . 4. Refer to the phylogeny below, as estimated from available molecular data, to order the pairs of taxa from most closely related to least closely rela...
Kurz et al. 2008 Discussion Activity 1. Create graphical abstract that summarizes the main findings of the  paper. A graphical abstract is a visual depiction that explains the major takeaways of a  ...
Just answer NO EXPLANATION NEEDED    The work you have completed in this module and the ones before it has shown you many examples of models and systems that can be explained in terms of positive an...
Now that you have learned about food webs and biodiversity in Unit IV, you will explore the environment "in your own backyard." This activity can be completed in your backyard, around your office buil...
Just answer please NO EXPLANATION   Human civilizations in multiple geographical locations abandoned hunting and gathering for agriculture by planting their own food as it provided them control over ...
Please answer questions below:  . QUESTION 1 Countries whose population is not growing have an age structure diagram that O a. forms an inverted pyramid O b. forms a broad-based pyramid O C. has litt...
1. Why does it affect human populations when biodiversity is damaged through population growth? 2. Using a small rodent, such as a field mouse, and a predator, such as a snake, explain how coevolution...
Book: Are We Smart Enough to Know How Smart Animals Are? by Frans de Waal Book Report Rubric Criteria (50 Points)    Description: We are asked to read the book : Are We Smart Enough to Know How Smar...
Book: The Bonobo and the Atheist: In Search of Humanism Among the Primates Book Report Rubric Criteria (50 Points)    Description: Each student will read one of the suggested science books during th...
 . Extra-credit Activity To attempt this exercise, closely observe the following two figures. Fig. 1: A subset of a simple food web from a typical oak-maple forest ecosystem from Midwest Gray fox Red...
Use cumulative frequency distribution for Flynn Creek in Figure 1 and Table 1. (csm = cubic feet per second per square mile = cfs/mi2) Bullet points below (1 and 2), only look at the curve and match t...
 . [1n] 5. Liming—the addition of mineral forms of carbonate—is a common approach for mitigation of acidification. Assuming that CaCDs is being used as the liming source, provide chemical reactio...
Can I get help with these 3 questions please.   1.  What are two ways that riparian zones can act as buffers against nutrient pollution? What are two mechanisms/processes that influence the flow of ...
Can I get help on these questions please.   1.  What is an ecotone? Provide an example.   2.  According to the PFC manual (Proper Functioning Condition Manual, TR 1737-15: http://www.remarkableri...
Please make short paragraph on your own   1. Describe a stream of low stream order. 2. Differentiate between a riffle and a pool. 3. How does a rock provide habitat in a stream? 4. List a human impac...
  You have been recruited to be the staff ecologist at a strawberry farm.  There has been a problem with beetles eating the strawberries and with weeds taking over the strawberry beds.  The farmers...
.  ' thank you. Take Quiz Exit SU points total! D Use this to complete questions 1-8 Consider the following dataset (modified from Johnson et al. 2019. Ecology & Evolution 9: 14489-14497) that ex...
 . Place the following events in order from latest (most recent) to the earliest in earth's history, where 1 indicates the latest event, and 5 indicates the earliest event. Evolution of photoautotrop...
Scientific Research Design on plants or animals found in the lower Rio Grande Valley. Need atleast 2 variables for t-test data, average for two variables, frame research question with hypothesis, the ...
You have been recruited to be the staff ecologist at a strawberry farm.  There has been a problem with beetles eating the strawberries and with weeds taking over the strawberry beds.  The farmers ar...
Based on what you learned in class about Tiktaalik roseae, redraw this tree including Tiktaalik roseae . You can use just the letters if you wish and you can assign Tiktaalik roseae letter T for Tikta...
ANSWER THE QUESTIONS AS A SHORT ESSAY ANSWEE (ONE OR TWO PARAGRAPH) Butterflies are ectothermic, active during the day, and found in all biomes from the tropics to the high-temperate latitudes (even i...
 . 3) For questions 4 — 7, determine the minimal number of evolutionary changes necessary if the trait is a homoplasy and the minimal number of evolutionary changes necessary if the trait is a homo...
Based on what you learned in class about Tiktaalik roseae, redraw this tree including Tiktaalik roseae . You can use just the letters if you wish and you can assign Tiktaalik roseae letter T for Tikta...
 . QUESTION SET 8 For each of the following pairs of populations, indicate in which one you expect to see greater evolutionary change over time. Base your answer only on the differences presented her...
I have some questions related to this paper. If you can please help me with it, I will be very thankful.    https://pubmed.ncbi.nlm.nih.gov/8752271/     1. Explain Figure 6 a,b,c,d 2. What were th...
Read the article and complete the following questions.  1 . Summarize your overall opinion of this work in three sentences or less.  Be specific about why you think the work has merit or needs impro...
I have some questions related to this paper. If you can help me please with it, I will be very thankful    https://pubmed.ncbi.nlm.nih.gov/8752271/   1.  What was the model structure? Any importan...
Life History Tables Calculate the following terms and fill in the table:  l x , m x , l x m x , and Xl x m x What is the net reproductive rate? What is the generation time? What is the annual growth ...
Because of dam construction and overfishing, salmon runs have been in decline. What impact would decreased salmon populations have on the forest ecosystem (animals, plants, flow of energy, and flow of...
I need the answer no explanation  8- How does homology relate to the theory of evolution? Group of answer choices Homology refers to traits that are structurally similar in different organisms, like ...
One theme of Your Inner Fish so far has been showing how our limbs are (a) genetically and (b) morphologically homologous to those in ancestors like Tiktaalik . Briefly describe an example from the bo...
(6 pt) Others argue that these cichilds represent an example of allopatric speciation. Each of the following is an important step in allopatric speciation . Number them based on their likely sequence ...
For the tree below, which trait(s) would be a synapomorphy for the Theropod dinosaurs? a. modified forelimb only b. modified forelimb, slashing talon, furcula, and hollow bones c. hollow bones only  ...
Assuming for a moment that phytoplankton are the source of all production, estimate how much secondary production and how many trophic levels could be supported by the primary production that you meas...
answer this question in short essay (three  paragraph or more)  1. Why are deserts often found at 30 degrees north and south latitude? How would their biodiversity compare to tropical rainforests? 2...
The patterns of fossils from the different geologic time periods show dramatic swings between mass extinctions and subsequent radiations. Understanding this helps us understand how life responds to dr...
Chapter 8: Reproductive Strategies Watch this video https://www.youtube.com/watch?v=KdceuaRZno4   1. Why is sexual reproduction favored by evolution over asexual reproduction?       2. What situat...
Describe a field experiment that you might use to test the hypothesis that water availability affects plant growth. Suggest one set of possible results and the implications of those results for the hy...
Meir et al. 2007, College Students' Misconceptions about Evolutionary Trees,   A) List and detail the four major misconceptions students had and thoroughly describe  what they are    Make sure to ...
How do you expect investment in growth versus reproduction to evolve in Nassau groupers? Keep in mind: It's a trade-off; groupers cannot maximize both growth and reproduction. Fisherman target juvenil...
11)The intertropical convergence zone is:    A) the dry region at the edge of the Hadley cells.   B)  at the solar equator.  C)  the area between Polar and Hadley cells.     D)the cause of we...
 . Age (x) SX Population mx size at t=0 0.50 0 1000 1 0.70 5 200 2 0.60 3 300 3 0.20 2 500 4 0 1 100 Consider the data in the table above. What is the growth rate of the total population between time...
What is NOT a possible cause of the difference between the potential and actual distributions of an animal species? Group of answer choices There is a physical barrier preventing the species from occu...
In a population of bears whose traits are all influenced by natural selection, the traits of which bear are most likely to be represented in the population after several generations? Group of answer c...
Consider a fish that breathes by pumping water over its gills. The water flows over the surface of the lamellae in the gill filaments, where oxygen diffuses into the blood flowing through the lamellae...
If there is a high infection rate of 97%, and a low chance of recovery at 10% with 200 people, and the duration was set at 20 weeks, what does this say about the virus and the population? Please give ...
.. Question 4 1 pts Which of the following may result in allopatric speciation? (Choose all that apply) C] A river drying up, leading to increased gene flow between two populations of salamanders Fru...
 . l_l This assessment is largely short answer. Some responses may require a drawing. You can take a picture of a drawing and copy-paste it in the document OR use a drawing software like PowerPoint. ...
One of the most endangered birds in the world is the Giant Ibis, which lives in wetlands in Southeast Asia. Pretend that you are an ecologist, and write three potential research questions you could as...
What potential anthropogenic threats could impact animal-plant interactions in the OLYMPIC NATIONAL PARK?   Deer, Bear, birds, Squirrels  How are habitat loss and fragmentation affecting species?  ...
 . Given the adaptations for osmoregulation in two species of sharks and one species of stingray in saltwater, scientists hypothesized that these species of fish would not be able to adjust their os...
 . Given the adaptations for osmoregulation in two species of sharks and one species of stingray in saltwater, scientists hypothesized that these species of fish would not be able to adjust their os...
 . Given the adaptations for osmoregulation in two species of sharks and one species of stingray in saltwater, scientists hypothesized that these species of fish would not be able to adjust their os...
 . ...as a result, periods of pure, unbounded exponential growth are in most natural populations. For example, consider mature populations of trees in low-disturbance environments, or populations of ...
  A B C D. Match each exponential growth curve in the graph with the best description. Density [N] (Ind / area). Negative exponential growth (constant r<0) Slow but positive exponential growth (co...
A developer would like to build apartments in your town. Although these apartments would require clearing of forest land, a tradeoff that the town must consider is that a. the development of the area ...
How many plants per square foot are needed to purify the air-quality/reduce-VOC's of a 500 square foot apartment? In other words, how many plants would you need and hew many plants per square foot wou...
Your neighborhood council is seeking ideas for an urban revitalization project that will benefit local biodiversity. Identify an ecological issue (habitat loss, pollution, urban heat island effect, et...
According to the article, Deep Thoughts about Class Privilege by Pittelman which statement below is NOT correct: a) Class privilege affects financial futures b) Class privilege can be turned on or off...
 . Question 2 5 pts . Natural vs. manipulative experiments. We discussed the Marquis & Whelan (1994) study in which they conducted a manipulative cage experiment that excluded birds to test their...
 . Birkemore et al. (2016. Experimental warming increases herbivory by leaf-chewing insects in an alpine plant community. Ecology & Evolution 6: 6955-6962) studied the effects of warming on herbi...
 . Textbook 2) Estuaries and Coast... Vert Zoo Text: D Question 15 Which example grouping is monophyletic according to this phylogenetic tree? B C D D E.F.G D.E.F C.D.E.F.G A.C Question 16 According ...
The question based on the Shubin  your inner fish , chapter 4  1.All of the following organisms  need  teeth to be successful  except ...   A.   Predators that eat very "chewy" prey that cannot...
  1.  How are the average temperatures predicted to change in ME (Maine), NJ (New Jersey), NC (North Carolina), and FL (Florida) from historical to next-20, mid-Century, and end of Century? 2.  The...
Which of the following best explains why many varieties of finches with different-sized and shaped beaks exist?  A. Competition for limited resources leads to natural selection and variation.  B. Fi...
1. Pick an endangered species and research its life history. 2. Describe its life history (details please) and identify if it is a K-selected or r-selected species (how do you know?) 3. Describe its c...
Why is this mismatch occurring (please use details), and describe how this positively and negatively impact the bears? How could this positively and negatively impact the salmon? How could this positi...
 Which of the following is true of a temperate lake during the summer?   A).  The upper and lower layers of water mix easily.   B).  The deepest water will be high in oxygen content compared to ...
Which of the following is incorrectly matched?  Mouth - warm water  Headwaters - shallow waters  Headwaters - high stream velocity  Headwaters - Fine particulate organic matter  Mouth - more pool...
Odours count: human olfactory ecology appears to be helpful in the improvement of the sense of smell   https://www.nature.com/articles/s41598-021-96334-3   RESEARCH QUESTION (5) HYPOTHESIS (Tentativ...
Even though the bright coloring on a bird's chest makes it more noticeable to predators, the frequency of birds with a bright-colored chest remains high in a population. Which of the following could e...
The smaller a population of organisms of a particular species, the A. more likely one of the organisms is to adapt to a changing environment B. more likely a mutation is to arise C. less likely the sp...