Archive for category: Homework Help

Biology and Behavior WorksheetRespond to the following questions in 150-200 words each.1. Select a hormone and describe how it affects the mind and body. Describe a situation where you experienced this effect.2. Select an action you perform on a daily basis. Outline which parts of the nervous system are involved and how they work together to perform this action.3. Select a personal experience regarding vision and hearing. For example you are at a baseball game see a batter swing and hear the sound of the ball being hit; or you attend a concert where you see and hear a band perform music. Describe the process your sensory systems go through to interpret this experience.

ALTERNATIVE ASSIGNMENT – SUBSTITUTION FOR LLELA

Please write a 4-5 page paper on a watershed of your choice.
As an Introduction to the paper please include descriptions of: a) The watershed and b) The problems facing the watershed (i.e. what are the problems?, How did they occur?; What type of pollution led to this problem?).
Points to consider for the main part of the paper:

How do scientists measure/detect problems in watersheds? For example, include brief descriptions of the lab procedures used in BIOL 1132 lab (water quality etc.). Hint: How did you measure ammonia and what does it mean when there is high ammonia in water?
What impacts do the problems of the watershed have on plant and wildlife?
How will that affect future generations living along the watershed?
What are the measures that have been implemented to protect or restore the watershed.
What do you suggest should be done to protect or restore the watershed?

Examples of watersheds you could write about:
1) Chesapeake Bay Watershed
2) Mississippi River Watershed
3) Colorado River Watershed
4) Florida Everglades
The paper must be typed using standard margins and 12-point font, double-spaced with complete sentences, and in paragraph form. The paper should include at least 3 references, which must be cited properly = peer reviewed papers/book chapters. Please avoid any use of URL citations.

For each of the reactions, calculate the mass (in grams) of the product formed when 15.82 g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant.

Express your answer using four significant figures.

1) 2K(s)+Cl2(g)−−−−−→2KCl(s)
2) 2K(s)+Br2(l)−−−−−→2KBr(s)
3) 4Cr(s)+3O2(g)−−−−−→2Cr2O3(s)
4) 2Sr(s)−−−−−+O2(g)→2SrO(s)

What are the advantages and disadvantages of leaving at the time that they are notified? What are the advantages and disadvantages of being allowed to work out a reasonable period of notice?
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1. It is important to not only develop active lifestyles but also to minimize time spent being inactive (or sedentary). A specific Healthy People 2020 goal focuses on reducing the percentage of people who watch more than 2 hours of TV per day. What can you do to reduce the amount of time you spend being sedentary? Create your action plan.

2. Patterns of physical activity vary considerably by gender, age, ethnicity, socio-economic status, and other demographic variables. Researchers at the Centers for Disease Control and Prevention (CDC) conduct regular surveillance of physical activity and other health behaviors to understand patterns and trends in the population. One of the more frequently cited survey instruments is the Behavioral Risk Factor Surveillance System (BRFSS). Based on the data, approximately 50 percent of Americans report getting regular physical activity (defined in this survey as 301 minutes of moderate physical activity 5 or more days per week, or vigorous physical activity for 201 minutes 3 or more days per week). The website for the BRFSS (www.cdc.gov/brfss/) allows users to examine patterns and trends in health behaviors by a variety of demographic variables and to see the activity levels within specific states.
How do patterns or trends look in your state? (Alabama)

3. The U.S. Physical Activity Guidelines from the Centers for Disease Control (CDC) indicate that adults should get a minimum of 150 minutes of moderate activity each week (e.g., 30 minutes five days a week). However, performing 75 minutes of vigorous activity per week also meets the guidelines.
Do you think 150 minutes of moderate activity or 75 minutes of vigorous activity per week is a realistic goal for most people?