name the third trophic level in the food chain.

Ans.

Stem cells are those cells, which have ability to divide and develop into specialized cells in the body. Stem cells can be found in embryo (known as embryonic stem cells and in adults (known as adult stem cells).

Embryonic stem cells are pluoripitent cells having capability to develop into any cell type. Adult stem cells can differentiated into only limited cell types. For example, hematopoetic stem cell that can form only different types of blood cells.

Thus, the correct answer is 'adult stem cells.'

Answer:

Niche:

Niche may be defined as the actual match of the species with its specific environmental condition. Niche explains the way by which organism uses its resources in the area.

The resources like food, predation and environmental factors may affect the niche of the organism. The species may change the environmental condition and may itself get changed in its niche. The term niche was first used by the Grinnell.

Thus, the answer is niche.

Turgor pressure is defined as the pressure exerted by the fluid in the cell, which presses cell membrane against the cell wall. The turgor pressure in plants is generated through osmotic inflow of water into cells.  

The plants control turgor pressure in two ways:

1. The plants actively transport the proteins to inside and outside of the cells to maintain the pressure exerted by the fluids.  

2. The cells increase or decrease the solute concentration inside the cells. The leaves perform evaporation changing the water concentration levels in the plant.

Therefore, the turgor pressure is pressure exerted by plasma membrane over cell wall. It can be explained as the cytoplasmic membrane's pressure over the cell wall that impact water potential.  

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The two pairs of arteries that supply the brain are the anterior communicating artery and the posterior cerebral arteries.

The two pairs of arteries that supply the brain are the anterior communicating artery and the posterior cerebral arteries. The anterior communicating artery is an anastomosis of the right and left internal carotid arteries and supplies blood to the brain. The posterior cerebral arteries form part of the posterior portion of the arterial circle, also known as the circle of Willis, and supply blood to the brain.

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A nummular lesion refers to a round or coin-shaped medical or dermatological lesion seen in certain skin conditions, including nummular eczema.

A nummular lesion is a terminology used in medicine and dermatology to describe a lesion that is round or coin-shaped. The term 'nummular' is derived from the Latin word 'nummulus,' which means 'coin.' Primarily, when referred to a skin lesion, nummular indicates a specific morphologic term that illustrates the lesion's shape to be coin-like or discoid, hence round in shape.

Nummular lesions are characteristic of certain skin conditions, including nummular eczema, or discoid eczema. This skin condition often results in round, coin-like spots of irritation. These lesions can manifest as red, inflamed, or scaly patches and can sometimes be associated with itching.

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The experiment by Connor and Miguel is set to test how the type of fertilizer affects the color of hydrangea blooms; the independent variable is the fertilizer type, the dependent variable is the bloom color, and the control group is the bush without fertilizer.

Connor and Miguel are conducting an experiment to determine if the type of fertilizer changes the color of hydrangea flowers. To properly analyze their experiment, we should identify various components of the experimental design.

Independent variable: The type of fertilizer used on each hydrangea bush.

Dependent variable: The color of the hydrangea blooms.

Hypothesis: If the type of fertilizer affects the color of hydrangea flowers, then using different brands of fertilizer will result in different bloom colors.

Control group: The one bush that receives no fertilizer.

Experimental group: The nine bushes that each receive a different brand of fertilizer.

Constants: The amount of sunlight (morning), the soil type, the amount of water, and the amount of fertilizer (3 cups) are all kept constant to ensure a fair test of the hypothesis.

The experiment demonstrates a scientific approach to testing the effect of an independent variable (fertilizer type) on a dependent variable (flower color), ensuring that all other potential variables remain constant. This is exemplified in the control group, where lack of fertilizer serves to show the natural color outcome without the influence of external additives.

Lev Vygotsky believed the environment played a key role in a child's intellectual development, emphasizing cultural and social factors as pivotal in the learning process.

The psychiatrist who believed the environment was more important to a child's intellectual development than biology was Lev Vygotsky. While other theorists, like Jean Piaget and Arnold Gesell, acknowledged the role of biology to some extent, Vygotsky emphasized the cultural and social factors as crucial elements in cognitive development. Unlike B. F. Skinner, who focused on behavioral aspects, or Sigmund Freud, who focused on psychoanalytic aspects, Vygotsky's theory posited that children learn actively through hands-on experience and that their learning is inherently a social process. Therefore, the knowledge they gain is greatly influenced by the culture and environment in which they are raised.

According to Descartes, animals and humans have things in common and the things that they have both in common in which he had noted is the structures that they have in their body such as having blood, spirit, nerves, muscles, bones and other organs. He also adds that they have movements in which both they have in common.

The correct nursing response to a patient stating, "I see headless people walking down the hall at night" would be to validate the patient's feelings and provide reassurance while also assessing for any underlying causes of the hallucinations.

When a patient reports experiencing visual hallucinations, such as seeing headless people, it is important for the nurse to approach the situation with empathy and concern. The nurse should first acknowledge the patient's experience and provide reassurance that the patient is safe. This can be done by responding with statements like, "I understand that what you're experiencing can be very frightening. I want to assure you that you are safe here with us."

Next, the nurse should perform a thorough assessment to identify any potential causes for the hallucinations. This could include reviewing the patient's medication regimen for any drugs that may cause hallucinations as a side effect, evaluating for delirium due to an underlying medical condition, assessing for psychiatric conditions such as schizophrenia or dementia, and considering environmental factors like lighting or sleep disturbances.

The nurse should also document the patient's report and communicate the findings to the healthcare team to determine the appropriate interventions. Depending on the cause, interventions may include medication adjustments, treatment of underlying medical conditions, environmental modifications, or referral to a mental health specialist.

It is crucial to maintain a calm and supportive demeanor throughout the interaction to build trust with the patient and ensure they feel heard and supported. The nurse's response should be non-judgmental and should avoid minimizing the patient's experience. Instead, the focus should be on ensuring the patient's safety, providing comfort, and working towards identifying and addressing the underlying cause of the hallucinations.

Answer: Hydrologist

Explanation: Hydrologists study the water cycle. Different disciplines may include providing drinking water to the public, ways to prevent floods, and to mitigate the effects of drought.

The study of biological inheritance is known as Genetics. It involves the study of genes, DNA, hereditary patterns, gene distribution, variations and alterations in populations.

The study of biological inheritance is known as Genetics. Genetics is a sub-discipline of biology which deals with how traits and characteristics are passed from parents to offspring through genes. It includes the study of DNA (deoxyribonucleic acid), which is the molecule that carries genetic information in all living organisms. It also involves the understanding of hereditary patterns, gene distribution, variation, and the alterations within populations over time.

e study of biological inheritance. It focuses on the principles of genetics and how traits are passed down from one generation to another. Inheritance is determined by genes, which are segments of DNA that code for specific traits. These genes can be inherited from both parents and can result in a variety of genetic variations.

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To collect accurate and precise crocodile nest data, researchers can use the mark-recapture method along with GPS tracking, and employ non-invasive techniques like camera traps and DNA analysis from collected fecal samples. Establishing random sampling points and using reliable data sources alongside flagging for marker placement are key for obtaining consistent and unbiased data.

To collect accurate and precise crocodile nest data, biologists can employ several methods. The mark-recapture method is a technique where crocodiles are captured, marked with a permanent marker, and then released. The use of GPS coordinates is essential to mark sample points and ensure consistency in the data collection process over time. Non-invasive techniques, such as camera traps and DNA analysis from fecal samples, can also provide valuable information about crocodile populations without physically disturbing the nests or the crocodiles.

It is important to randomly select sampling locations using a random numbers table, ensuring the data is not biased by predetermined choices. Biologists can use a compass to find a bearing and walk a randomly selected distance to establish these sampling points. At each point, detailed habitat data is collected, and then the process is repeated multiple times across various locations.

Additionally, permanent marking of sampling locations with flagging or other markers, while being aware of the potential influence on the environment or the wildlife being studied, is a crucial step towards consistency and reliability in the data collection process. Moreover, combining different methods and cross-verifying data with reliable sources is essential to avoid potential biases and enhance the quality of the data collected.