___________ is the branch of biology that names and classifies species.

Answer:

Identical twins or monozygotic twins

Explanation:

Identical twins are also called as monozygotic twins. Here, one sperm fertilizes an egg leading to formation of one zygote. The very first division in single zygote forms two identical cells that develop into two embryos. Since the resultant two embryo are derived from same zygote, they share 100% of their genes with each other.

The answer to this question is that Lepirudin have an effect specifically on the common pathway of coagulation. Lepirudin is a drug that helps prevent blood clots to patients with low blood platelets. Lepirudin can be administered through an IV or SQ.  

The Daily Values (DV) reflect the needs of an "average person" consuming between 2,000 and 2,500 calories a day.

The DV is a set of reference values that are used to help people make informed food choices. They are based on the nutrient needs of an average person, taking into account factors such as age, sex, and activity level.

The DV is not intended to be used as individual intake goals. Instead, they are a tool that can be used to compare the nutrient content of different foods.

For example, if you are trying to choose a breakfast cereal that is high in fiber, you can look at the DV for fiber to see how much fiber is in each serving.

To know more about Daily Values:

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                                          1.04 Properties of Water

Question: What effect will adding soap to water have on surface tension?

Hypothesis: If, soap is added to the water slowly dropped on a penny then, the penny will hold more water.

Independent/Dependent/Control Variables: Independent: the amount of soap/oil; Dependent: the penny; Control: amount of oil/water given

Materials: 3 cups, water, canola or olive oil, dish soap, a pipette and or needle/syringe, pennies

Procedure:

·       Gather three identical cups

·       Add water to the first one (1/3 cup of water in each), add water and soap in the second one, and olive or canola oil in the third.

·       Lay out three pennies.

·       Take pipette and slowly bring water in from cup #1, drop onto penny until water falls over, record results of how many drops it took.

·       Repeat with cup numbers 2-3 and record information/data.

Data/Observations: With the regular water on a penny, I noticed that only 13 regular drops could fit on without falling over.

With the water+soap, it got up to 24 drops before falling over. Then on the 25th drop, the mixture fell off.

With the oil, it was the highest at 29 drops before falling over slowly. Therefore, oil holds the most surface tension in this experiment.

Answer:

Stabilizing selection

Explanation:

Biological incidents, like disease outbreaks or bioterrorism attacks, are often considered inevitable by experts due to factors like international travel, global trade, and disease mutation. An example is the COVID-19 pandemic. Protective measures and response plans are implemented globally to deal with such incidents.

The phrase 'biological incidents' generally refers to situations where disease-causing biological agents find their way into the environment, potentially causing harm to humans or other living organisms. Experts often anticipate that such biological incidents are inevitable, especially due to the intertwined nature of modern societies, international travel, and global trade. There's a constant risk of new diseases emerging, existing diseases spreading or mutating, and bioterrorism attacks. That's why institutions worldwide implement protective measures and response plans to minimize their impact.

An example of a biological incident is the COVID-19 pandemic, which originated from a virus and quickly spread worldwide due to international travel and close human interaction. It shows how contingency plans are vital to cope with these situations and minimize loss.

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Biological incidents are anticipated to include high rates of species extinctions, global pandemic threats, and the impact of climate change on biodiversity and ecosystems. These events have significant implications for the survival and evolution of species, human health, and the stability of our planet’s ecosystems.

Experts anticipate that biological incidents, in the context of this question, refer to several interconnected phenomena. They are anticipated to include species extinctions, pandemic threats, and the impact of climate change on biodiversity and ecosystems.

The current rate of species extinctions is estimated by biologists to be much higher than the 'background' rate of extinction. This high rate threatens the biodiversity of our planet and many of the species we know today are endangered and at great risk of extinction.Biological incidents also include global pandemic threats. For instance, public health officials had anticipated the possibility of a global pandemic before the recent outbreak. It reiterates the importance of strategies for early response to high-consequence emerging infectious disease threats and biological incidents.

Finally, climate change and its associated impacts - increasing greenhouse gas emissions, shifts in marine populations due to ocean warming, and extreme weather events - are highly likely to result in biological incidents. This can lead to shifts in populations of organisms, with many species declining and new ones emerging.

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Arthrodesis is the medical term for the surgical fusion of two bones to stiffen a joint such as an ankle, elbow or shoulder. It is performed to relieve pain in a joint that hasn't responded well to other treatments, or to correct a deformity or stabilize a joint. The bones are fixed together until they fuse into one solid bone.

The surgical fusion, or joining together of two bones to stiffen a joint, such as an ankle, elbow or shoulder, is known as arthrodesis. This procedure is typically used to relieve pain in a joint which hasn't responded well to other types of treatment. It can also be used to correct a deformity or stabilize a joint. During arthrodesis, the surgeon removes the articular cartilage on the surfaces of the two bones that create the joint. Once the bones are exposed, they are then fixed together using pins, screws, or plates until they fuse together and become one solid bone.

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Hypotheses, theories, and laws are scientific concepts used to understand the natural world. They are based on observations, experiments, and evidence. Laws are mathematical descriptions of observed phenomena.

Hypotheses, theories, and laws are all scientific concepts that help us understand the natural world. They are based on observations, experiments, and evidence. Hypotheses are proposed explanations for a specific phenomenon, theories are well-supported explanations that have been extensively tested, and laws are mathematical descriptions of observed phenomena. While hypotheses and theories can change based on new evidence, laws are often considered more fundamental and have been extensively validated.

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Answer: C. water, light, temperature, nutrients

Explanation:

Abiotic factors are the non-living factors of the environment these include water, temperature, sunlight, nutrients, soil and wind.

The abiotic factors influence the growth and abundance of living species in an ecosystem.

In a freshwater ecosystem water, light, temperature, and nutrients will be abiotic factors.

Anthrax is an infection that is caused by the bacteria Bacillus anthracis. The infection is spread by contact with the spores of the bacteria.

Bacillus anthracis and Its Role as a Biological Weapon:

Bacillus anthracis is the bacterium responsible for causing anthrax. Unfortunately, it has been utilized as a biological weapon and is listed by the United Nations as a potential agent of bioterrorism.

Over several months in 2001, letters contaminated with anthrax spores were sent to various members of the news media and the United States Congress. This attack resulted in 11 cases of cutaneous anthrax and 11 cases of inhalation anthrax. Five individuals who developed pulmonary anthrax did not survive.

Question:

The bacterium Bacillus anthracis, which causes anthrax, has been developed as a biological warfare agent. Which one of its following abilities could have led to this? Its ability to undergo reproduction in the absence of energy sources. Its ability to form endospores in harsh conditions. Its ability to grow rapidly in harsh conditions.

The subcutaneous layer, mostly composed of adipose tissue, is the supportive skin layer that offers cushioning, insulation, and a passageway for blood vessels and nerves.

The subcutaneous layer, also known as the hypodermis, is the support layer for the skin and is composed largely of adipose tissue. This layer serves several functions including cushioning and protecting deeper tissues, aiding in thermal insulation, and providing a passageway for nerves and blood vessels. Adipose tissue plays a crucial role in these functions as it cushions the skin, stores calories, and has an insulating capacity, helping the body to maintain its optimal temperature.

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Creating more fossil fuels is not being used or researched to help address the issue of overuse of resources.

The practice that is NOT being used or researched to help address the issue of overuse of resources is Creating more fossil fuels. In the quest to address resource overuse, creating more fossil fuels isn't a viable practice or subject of research. The focus, instead, revolves around sustainable alternatives to reduce reliance on finite resources. Efforts prioritize renewable energy sources like solar, wind, and hydroelectric power, promoting efficiency, recycling, and implementing eco-friendly technologies. Research aims to develop innovative methods for conservation, promoting circular economies, and fostering behavioral shifts toward responsible consumption. Creating more fossil fuels contradicts the imperative to mitigate environmental impact and climate change, aligning poorly with sustainable resource management strategies crucial for our future wellbeing.

Final answer:

OPTION D

Creating more fossil fuels is not a practice being used or researched to help with the overuse of resources. Instead, efforts are focused on reducing reliance on fossil fuels and improving renewable energy sources and more sustainable practices like desalination, genetic modification of crops, and potentially mining asteroids.

Explanation:

Overuse of resources is indeed a critical issue affecting sustainability and future generations. To mitigate these concerns, various practices have been implemented or are presently being researched. Desalinating water (A) is a process used to make sea water drinkable, which helps preserve freshwater sources. Genetically modifying food (B) can lead to crops that are more resistant to pests and changing climate conditions, ultimately improving food security. Mining asteroids (C) is being explored as a way to acquire minerals and other resources without further depleting Earth's reserves.

However, creating more fossil fuels (D) is not a practice being used or researched to help with the overuse of resources. The use and extraction of fossil fuels have significant environmental impacts, including habitat destruction and climate change due to excessive greenhouse gas emissions. Instead, there is a focus on reducing reliance on fossil fuels and increasing the use of renewable energy sources that do not produce carbon dioxide as a by-product.