explore the affects of competition on population growth

SCI 207.W1.Laboratory
SCI207 Week 1 Laboratory : Population Biology

Visit Population Biology and complete the virtual lab. This lab
gives you the opportunity to explore the affects of competition on
population growth. Follow the instructions on the Population
Biology Submission Form. Using this worksheet, you will answer the
lab questions and fill in the table on the Population Biology
Submission Form. Save it as a Word document and submit it.

Carefully review the Grading Rubric for the criteria that will be
used to evaluate your assignment.
Laboratory: Population Biology
Complete the Population Biology Lab found
at:http://www.mhhe.com/biosci/genbio/virtual_labs/BL_04/BL_04.html.
This lab gives you the opportunity to explore the affects of
competition on population growth.
CAREFULLY, follow the instructions to conduct your virtual
experiments. Fill in the table below as you go. The
questions below are the same ones found in the “journal” of the
lab. Hint: Make sure you read click on the “Information” box;
valuable information for answering the questions can be found
there! You are required to answer all six questions and submit this
document to the Dropbox. Do NOT email
the journal questions to your instructor through the website
above.

Paramecium Growth Data

P. aurelia grown alone, cells, mL

P. caudatum grown alone , cells, mL

P. aurelia grown in mixed culture, cells/mL

P. caudatum grown in mixed culture, cells/mL

Day 0

Day 2

Day 4

Day 6

Day 8

Day 10

Day 12

Day 14

Day 16

Journal Questions
1. Make a hypothesis about how you think the two
species of Paramecium will grow alone and how they will grow when
they are grown together. (Make sure you understand what a
hypothesis is before you address this!)
2. Explain how you tested your hypothesis. (Give
details of how you conducted your experiment. Consider this the
“Methods” section of a lab report.)
3. On what day did the Paramecium caudatum population
reach the carrying capacity of the environment when it was grown
alone? How do you know?
4. On what day did the Paramecium aurelia population reach
the carrying capacity of the environment? How do you know?
5. Explain the differences in the population growth
patterns of the two Paramecium species. What does this tell you
about how Paramecium aurelia uses available resources?
6. Describe what happened when the Paramecium populations
were mixed in the same test tube. Do the results support the
principle of competitive exclusion?
7. Explain how this experiment demonstrates that no two
species can occupy the same niche.

 

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Toxic Waste

There was a case about contaminated drinking water that was reported in one of the military sites in the American Lake Gardens. The site was a dumping site used by the military. It was until the matter was reported to the health organization such as the Tacoma- Pierce County Health Department and EPA. The paper examines the issues and problems related to the American Lake Gardens.

As research was carried out by the health departments, it was found out that wells and drinking water around the region was contaminated. There were high levels of metals and other harmful wastes (Daele, 2007). It possesses health risk problems to the residents around that particular region. The contaminated water brings about the development of health problems such as the spread of the waterborne diseases………………………………………….

 

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Health Promotion Programs

 

Assume that you are working in a community health department. The department has some federal money that it wants to allocate to two health promotion programs from the following: Decrease in deaths from cardiovascular disease Decrease in deaths from breast cancer Decrease in teenage pregnancy Decrease in cigarette smoking Decrease in incidence of diabetes Decrease in motor vehicle accidents Decrease in osteoporosis and hip fractures among women Decrease in obesity

Identify the health promotion programs that you would want to investigate and get them approved by your instructor.

Address the following questions: Identify the risk factors associated with the selected health promotion programs. What is the target population associated with the selected health promotion program? Consider the hypothetical target population, consisting of middle-aged women, male adolescent gang members, premature infants, etc., and describe the characteristics of each program. What are the risk factors that you want to focus on in order to achieve the objective of the health promotion program? What intervention would you recommend to be most appropriate to reduce exposure to these risk factors? You can choose at what level of intervention you want to implement each program (primary, secondary, tertiary health intervention). What will be the process by which this intervention will achieve the goal of the program? What will be the anticipated outcome of this intervention?

To support your work, use your course and textbook readings and also use the South University Online Library. As in all assignments, cite your sources in your work and provide references for the citations in APA format. Submission Details: Your assignment should be addressed in a 3- to 5-page document. Submit your documents to the Submissions Area by the due date assigned.

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Public Health Discussion On Community Based Participatory Research

Please follow the Instrcutions and also respond to 2 Collegues
DISCUSSION RESPONSES WK10

Instructions:

Begin engaging in a discussion and continue to interact frequently with your colleagues through Sunday by expanding on a colleague’s strategy for creating culturally sensitive and appropriate partnerships. Please respond to 2 collegues

Collegue#1 DISC

Sister to Sister

Sister to Sister is a brief 20-minute, one-on-one, skill-based HIV/sexually transmitted disease (STD) risk-reduction behavioral intervention for sexually active African American women between the ages of 18 to 45. This intervention is delivered through the course of routine medical visit. The main idea of this program is to provide intensive, culturally sensitive health information to empower and educate women. It also strives to help women understand the various behaviors that put them at risk for HIV and other STDs. The program also enhances women’s knowledge, beliefs, confidence and skills to help reduce their risk for STDs, especially HIV (“Sister to Sister”, 2018).

Cultural Appropriateness and Relevance to the Population.

The original program was designed for African American women, but has since branched out and is for high-risk sexually active women 18-45 years old who have a male partner and attend a primary health care clinic. Based on the research results from the CDC, compared with women in the control group, women in the skills-building interventions reported reduced HIV risk-associated sexual behavior, reduced frequency of sexual intercourse, reduced unprotected sexual intercourse, fewer sex partners, using condoms more often, but no effect on social desirability of condom use. The intervention research was statistically significant and was effective in terms of cultural appropriateness sand relevance to the population (“Sister to Sister”, 2018).

Culturally Appropriate Community Based Participatory Research (CBPR) Strategies

Community based participatory research (CBPR) recognizes that an outsider (e.g. researcher) can work best with community partners, who themselves are experts. To make this intervention more culturally appropriate and a community based participatory research, one could collaborate with leaders in the African American community and leaders in women’s health to earn the trust of African American women so that they will engage more receptively to the program and will follow through on completing the program. We should reach out to the community members and identify if HIV infection rates are a major concern for them to help getting them thinking about the pathology prior to establishing or implementing an intervention (Rhodes, Duck, Alonzo, Ulloa & Aronson, 2013).

References

Rhodes, S., Duck, S., Alonzo, J., Ulloa, J., & Aronson, R. (2013). Using Community-Based Participatory Research to Prevent HIV Disparities. JAIDS Journal Of Acquired Immune Deficiency Syndromes, 63, S32-S35. http://dx.doi.org/10.1097/qai.0b013e3182920015

Sister to Sister. (2018). High Impact Prevention. Retrieved 2 May 2018, from https://effectiveinterventions.cdc.gov/en/HighImpactPrevention/Interventions/SISTERtoSISTER.aspx

COLLEGUE#2 DISC

Description of the intervention you chose.

The intervention program I chose was CLEAR: Choosing Life: Empowerment! Action! Results! This is a male & female sexual behavior intervention program for HIV/AIDS individuals , age 16 years and up. The program consists of five core value improvements; emotional constraint, self-esteem improvement, personal goal targeting, critical thinking development, and communicational and behavioral (U.S. Center for Disease Control, 2018).

Explain whether the intervention as described was effective in terms of cultural appropriateness and relevance to the population.

According to the program informational literature, this was a culturally effective intervention. The statistics given were that condom use among youth, overall, increased by 36% and condom use among HIV-negative partners increased by 41%. As far as culturally relevant and appropriate, I can’t think of a better demographic, a culture influenced by raging hormones, alcohol, and/or drugs (U.S. Center for Disease Control, 2018). With regards to efficacy, the stats are very impressive for this amount of behavioral change for this demographic.

Explain culturally appropriate community based participatory research (CBPR) strategies you might use to make the intervention more culturally appropriate and explain why you chose these strategies.

I feel that using social media and thinking regionally could have a great positive impact on this type of intervention, especially given the demographics (School of Public Health: UC Berkley, 2012). These CBPR strategies could have a quicker adaptation and implementation for the successful outcome on a broader scale.

Reference

School of Public Health: UC Berkley (2012). Community-Based Participatory Research: A Strategy for Building Healthy Communities and Promoting Health through Policy Change. Retrieved from http://www.policylink.org/sites/default/files/CBPR.pdf

U.S. Center for Disease Control, C. (2018). CLEAR: CHOOSING LIFE: EMPOWERMENT! ACTION! RESULTS! A One-on-one Intervention with Youth and Adults Living with HIV/AIDS. Retrieved from https://effectiveinterventions.cdc.gov/docs/default-source/clear-docs/clearfactsheet.pdf?sfvrsn=2

Questions on Collegue#2 DISCUSSION

Thank you for your post on CLEAR. It seems like a very effective program that has the potential to assist many people. You mentioned that using social media would have a positive impact on the participants. Could you provide an example of how social media would positively influence participants? Social media is sometimes frowned upon and there are some that argue that there is nothing positive that results from its use. I was wondering what methods do you think would help the target audience from using social media as a platform.

 

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