Category: Biology

Creating a Hudson River Food Web In order to predict the effects that Zebra Mussels might have on the Hudson River ecosystem, scientists first needed to understand the relationships between the organisms already present. Use the information from the essay, River Ecology: Invasion of the Zebra Mussel, and the table below to draw a food web with the organisms listed. There’s a simple food web in the essay that you can use as a model. Organisms Present in the Hudson River, Pre-Zebra Mussel Invasion: Decomposer Bacteria Decomposer bacteria help break down the remains of dead animals and plants, making the nutrients available for other organisms. Unionidae Unionidae are native mussels in the Hudson River. They are filter feeders and eat all types of plankton. Sphaeriidae Sphaeriidae are native clams in the Hudson River. They are filter feeders and eat all types of plankton. Alosa (herring) Alosa live in open water and they feed on all types of plankton. Centrarchidae (sunfish) Centrarchidae live near the shore in shallow “weed beds: where they feed on insect larvae, crustaceans, small fish, and small clams and mussels. Phytoplankton Phytoplankton are producers. They use chlorophyll to capture light energy in chemical bonds of carbon molecules. Zooplankton Rotifers Rotifers are a type of zooplankton the eat bacteria, phytoplankton and sometime other zooplankton like small copepods. Copepod nauplii Copepod nauplii are young copepods. They are small zooplankton that eat phytoplankton and bacteria. Copepod adults Copepods are zooplankton that eat phytoplankton, bacteria and small zooplankton. Cladocera Cladocera are zooplankton that eat phytoplankton, bacteria, dead organisms and small zooplankton. When you are finished, take a screenshot or picture of your food web and paste it into your worksheet. Now use the information below to add Zebra Mussels to your original food web. Take a second picture or screenshot and paste it into your assignment document. Zebra Mussel These small clams are filter feeders, eating small plankton and fragments of dead plants and animals. In order to be

Create an educational and informational PowerPoint about Sporotrichosis (rose bush disease) with peer reviewed sources.

Case study:
Please answer the questions based the case study provided. Please do not use internet sources to answer the questions. The answers MUST come from the case study itself. Thank you.
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Water Intoxication
″Solely the dose determines that a thing is not a poison.″ – 16th century physician-alchemist, Paracelsus
Dosing determines the poison. That′s a fundamental principle to toxicology. You can have too much of a good thing. We are exposed to arsenic every day. Heck, low doses have been used to treat syphilis, food poisoning, cancer, insomnia, and even to wash your face. But less than 1/8 teaspoon can be fatal to a healthy adult. This applies to water too – you know, that molecule we can′t live without. We′ve been talking about fluid and electrolyte balance this week, so let′s think about what happens to our homeostasis when we get too much water or not enough (remember that also is directly tied to salt concentrations).
Research water intoxication (hyponatremia). Can this occur naturally or only by physically drinking too much in a short amount of time? How does our body compensate? Are there situations where we can′t compensate?
Here′s a news article on a women who died after drinking too much water, as well as a Sci Show video to get you thinking.
The Associated Press. “Woman Dies after Water-Drinking Contest.” NBCNews.com, NBCUniversal News Group, 14 Jan. 2007, www.nbcnews.com/id/wbna16614865.
Sci Show, 2015. Can I die from too much water? Blood? Oxygen?

Requirements:
Minimum length of 500 words
Any quoted or paraphrased material must follow APA guidelines for inline citations and Works Cited. Refer to these OCC pages for tips: Student Services – Plagiarism or Student Services – APA
Include a minimum of one outside reputable source in addition to your course text.
Please include name Hassanna Walker date 4/28/2024 professor Caterina Gibson
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CLO 4 : Identify and describe the major gross and microscopic anatomical components of the eye and ear and explain their functional roles in vision, hearing, and equilibrium. Students should also be able to identify and locate the receptors responsible for olfaction and gustation and briefly describe the physiology of smell and taste.
• Identify and describe the major gross and microscopic anatomical components of the nervous system and explain their functional roles in communication, control, and integration.
Discussion Questions:
The nervous system is critical for maintaining homeostasis through its roles in communication, control, and integration. In your initial post, discuss the major gross and microscopic nervous system anatomy involved in regulating homeostasis, including:CNS (brain, spinal cord)
PNS (sensory, motor, autonomic nerves)
Neurons (dendrites, axon, myelin sheath)
Synapses, neurotransmitters
You could do any of the follwing: Select a homeostatic process like thermoregulation, blood pressure regulation, etc. OR Explain how the nervous system’s anatomical structures facilitate communication between the sensors that detect changes and the effectors that respond to restore homeostasis.You can consider comparing and contrasting the roles of the CNS and PNS in maintaining homeostasis through neural communication and control.
This discussion encourages you to relate nervous system anatomy to homeostatic regulation.
OR you can discuss the Endocrine System.
CLO 5 : Identify and describe the major gross and microscopic anatomical components of the endocrine system and explain the functional roles of their respective hormones in communication, control, and integration.
Discussion Questions:
The endocrine system plays an essential role in maintaining homeostasis through hormone secretion. In your initial post, select two major endocrine glands and discuss their gross and microscopic anatomy, including:
Hypothalamus and pituitary gross/microscopic anatomy
Thyroid, parathyroid, adrenal, pancreas, ovaries/testes gross/microscopic anatomy
For each gland, explain how their anatomical structures facilitate the secretion of hormones that help regulate homeostasis. Provide specific examples of how the hormones communicate signals and exert control to maintain equilibrium.
You could compare and contrast the homeostatic roles of the hypothalamus/pituitary to the thyroid or adrenal glands. How are their mechanisms similar and different?
This discussion prompts you to relate endocrine anatomy to hormone secretion and homeostasis mechanisms.

CLO 4 : Identify and describe the major gross and microscopic anatomical components of the eye and ear and explain their functional roles in vision, hearing, and equilibrium. Students should also be able to identify and locate the receptors responsible for olfaction and gustation and briefly describe the physiology of smell and taste.
Identify and describe the major gross and microscopic anatomical components of the nervous system and explain their functional roles in communication, control, and integration.
Discussion Questions:
The nervous system is critical for maintaining homeostasis through its roles in communication, control, and integration. In your initial post, discuss the major gross and microscopic nervous system anatomy involved in regulating homeostasis, including:CNS (brain, spinal cord)
PNS (sensory, motor, autonomic nerves)
Neurons (dendrites, axon, myelin sheath)
Synapses, neurotransmitters
You could do any of the follwing: Select a homeostatic process like thermoregulation, blood pressure regulation, etc. OR Explain how the nervous system’s anatomical structures facilitate communication between the sensors that detect changes and the effectors that respond to restore homeostasis.You can consider comparing and contrasting the roles of the CNS and PNS in maintaining homeostasis through neural communication and control.
This discussion encourages you to relate nervous system anatomy to homeostatic regulation.
OR you can discuss the Endocrine System.
CLO 5 : Identify and describe the major gross and microscopic anatomical components of the endocrine system and explain the functional roles of their respective hormones in communication, control, and integration.
Discussion Questions:
The endocrine system plays an essential role in maintaining homeostasis through hormone secretion. In your initial post, select two major endocrine glands and discuss their gross and microscopic anatomy, including:
Hypothalamus and pituitary gross/microscopic anatomy
Thyroid, parathyroid, adrenal, pancreas, ovaries/testes gross/microscopic anatomy
For each gland, explain how their anatomical structures facilitate the secretion of hormones that help regulate homeostasis. Provide specific examples of how the hormones communicate signals and exert control to maintain equilibrium.
You could compare and contrast the homeostatic roles of the hypothalamus/pituitary to the thyroid or adrenal glands. How are their mechanisms similar and different?
This discussion prompts you to relate endocrine anatomy to hormone secretion and homeostasis mechanisms.

In this activity, you will create a meal that you might have for lunch or dinner. In order to complete the activity, you will select one item from each of four different categories: Main Dish, Vegetable, Side Dish, and Beverage. You must select one of the items listed for each category in the first question below in order to received full credit. Be sure that you type in your answer as close to what is listed as possible.
After you have selected your food items, you will consult nutrition labels to calculate the nutritional value of the meal that you created. and answer the following questions: What were the four items that you selected for your meal? (Note: you must select one item that is listed for each category in order to receive full credit. Please type your answer exaclty as it appears in the list, or the computer may not give you credit!)
Main Dish (type one item from the following list in the text box):
Hamburger
Roast chicken (without skin)
Vegan lentil quinoa bowl
Herb-grilled salmon
Side Dish (type one item from the following list in the text box):
Long-grain brown rice
Vegan potstickers
French fries
Doritos
Vegetable (type one item from the following list in the text box):
Steamed broccoli
Green salad with balsamic vinaigrette
Grilled asparagus
Coleslaw with low calorie dressing
Beverage (type one item from the following list in the text box):
Bottled water
Cola
Low fat (1%) milk
Apple juice
How many total calories were in the entire meal that you came up with? (Enter a whole number with no units!)
If you stick to a strict 2000 calorie/ day diet, what percentage of your daily calories have you consumed in this single meal? (Enter a whole number with no units and no % sign!)
The American Heart Association recommends that you consume no more than 2,300 mg of sodium per day. What percentage of your daily sodium would you have consumed in this single meal? (Enter a whole number with no units and no % sign!)

a 2-3 page, single-spaced paper that includes a concise scientific review (based upon provided reading) and a discussion (opinion) of the ethical issues surrounding the topic. Introduction with thesis. 5 body pargrags with evidence. conclusion . Use other sources and cite. make sure all sources end with .edu and are from google scholar or PUBmed.

Biochemical conditions and biochemical research. Chosen topic is cancer specifically on Cancer meningioma