2. Climate shifting has caused many populations of organisms to become dispersed and relocate. These organisms now appear in new regions where they have not been seen before. Using an example species, explain what this is called and how it can impact both the species in question and other species in the new area of residence. Is this good or bad for the involved populations? Explain your answer.

1. Briefly discuss thoroughly why disturbance is an important positive ecological process. Cite an example. Do not just copy from somewhere, please.

1. What is the ecological relationship? 2. Give an actual example of an ecological relationship (e.g., predation, mutualism, commensalism, parasitism, amensalism, competition) that you find very interesting. Specify the species involved and provide the details of the relationship between the species. Also, explain why you found the particular example very interesting.

14. True or False? The term extirpation refers to the elimination of species at a local level and the probable loss of ecosystem function. Group of answer choices True False

3. A recent study aimed to understand resistance and resilience of winter-active chironomids (lake flies) to flooding (Anderson & Ferrington, 2013 Hydrobiologia 707: 59–71). Based on these data, which figure shows a community with high resistance? Which community shows high resilience? For each question, fully justify your response rather than simply answering a, b, or c. = Disturbance b Time Density/Diversity

16. Changes in habitat are a major threat for native species and can lead to species loss. A habitat change that is harmful is:   habitat decommission, or the breaking up of several larger habitats into smaller pieces of habitat, even if they are well connected. habitat heterogeneity, or the diversity of a habitat in physical make-up. All of the choices are true. habitat degradation, or the decreased value of a habitat used by species.

4. Define the Problem After taking antibiotics for several weeks, a patient develops a severe bacterial infection in his intestines. The doctor claims the antibiotics changed the microbiome of the patient's gut, causing the infection to develop. What evidence would the doctor need to support the claim? Explain how competition and succession played a role in developing the bacterial infection. NOTEBOOK

5. Biodiversity is thought to be increased by all of the following symbiotic relationships except: A. mutualism (like fungi providing minerals and algae providing carbohydrates in a lichen) B. parasitism (the practice of "host-switching", like tapeworms targeting humans instead of pigs) C. competition (like gray squirrels competing with red squirrels in an oak forest) D. predation (the practice of "prey-switching", like wolves targeting elk instead of moose) E. commensalism (like barnacles hitching a ride across the ocean on a whale)

1. Define the following terms: a. Species Richness b. Species Evenness c. Species Diversity

There are two types of life strategies used by organisms to survive in their environment. 1. K-selected strategy - growth rate is near the carrying capacity 2. r-selected strategy - growth rate is near biotic potential Match the characteristices below to the life strategy they represent         J-cruve Logistic Growth Long life span Few offspring