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This picture shows the evolution of a human through gradual changes in characteristics. The type of evolution in this picture is an example of macroevolution as the developments lead to a new species. Due to natural selection, the favored characteristics survive and reproduce. These genes pass down to new generations. Evolution occurs due to the species ability to adapt. Each time the next generation evolves, they learn to adapt to their environment. Adaptability is why we see different traits evolve through the process. The gradual evolution of this population leads to speciation, which is when a new, distinct species forms from evolution.

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According to Escherichia Coli: What Is and Which Are? - PMC, Escherichia Coli, also known as E. Coli, is a prokaryotic organism that actually serves an important role. E. coli was used as a model to explain the main features of evolution, along with genetics, molecular biology, and pathogenesis. E. coli has distinguished characteristics that differentiate it from other enteric species. The main characteristics that differentiate E. coli are that it is lactose and catalase. E. coli is a bacterium that has lots of different strains. Due to the various strains of E. coli, it had to be split up into six different species. Every strain assigned to 'Shigella', a closely related genus to E. coli, shows up inside the variation of E. coli. Shigella is known to have formed from E. coli, but was able to maintain its status as a different genus for studies.

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Depending on the location and surroundings, there will be more monocots or dicots seen. Grass, which is grown almost everywhere, including yards, parks, and fields, is a monocot. However, dicots can be seen more in gardens. Most vegetables used daily, including tomatoes, carrots, beans, and spinach, are all dicots. Most wildflowers seen driving down the road are dicots. If a flower has petals in multiples of three, it is likely a monocot. Dicots have petals in multiples of four or five. Overall, the location will determine when more monocots or dicots will be seen.

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The Mollusca phylum is the largest marine phylum and the second largest phylum of the invertebrates. It contains twenty-three percent of all named marine animals. The phylum Mollusca contains animals referred to as Mollusks. This phylum is extremely diverse in size and complexity. The Mollusk species contains bivalves, snails, octopuses, clams, and relatives. Some shared features of these species are that they are bilaterally symmetrical, they have soft, unsegmented bodies, and they have a mantle. A mantle is a fold in the body wall that creates the shell. Some mollusks pose a threat to humans, such as octopuses. Octopuses have venom that is very dangerous to humans.

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Homeostasis is how your body keeps its internal systems balanced so they function the way they are supposed to. Your body functions best when things like temperature, oxygen, and water levels stay within a healthy range. The word "homeostasis" comes from Greek roots meaning "equal" and "steady," which describes the idea of keeping your body's internal environments stable. This balance is important because too much or too little of anything can be harmful, including water and oxygen. The "hypothalamus" runs the automatic homeostatic processes. There are negative and positive feedback homeostasis. Negative feedback includes blood pressure, body temperature, fluid balance, and oxygen levels. Positive feedback can include labor and delivery and blood clotting. You cannot survive without homeostasis because when you get hurt or sick, your body adjusts its homeostatic process so you can heal.

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Homeostasis is how your body maintains internal balance so its internal systems can run as effectively as possible.

What is homeostasis?

Homeostasis is how your body regulates your internal systems so they function correctly. Your body works best when its internal environment - including things like temperature or oxygen levels - is just right.

The term homeostasis comes from two ancient Greek words meaning "equal" and "holding still." In other words, homeostasis means reaching and maintaining a state of balance. In this context, balance isn't about keeping you from toppling over. It's about having the right balance of everything you need.

Balance is key because too much of even the most essential things can be harmful. For example, everyone knows that water and oxygen are good things, and you need them to survive. But drinking too much water too quickly can cause hyponatremia. And breathing pure oxygen for too long can cause oxygen toxicity. Both of those conditions can be deadly.

How does homeostasis work?

Homeostatic processes are automatic, and a specific part of your brain, the hypothalamus, runs them. There are two main ways that homeostasis happens:

Negative feedback

Positive feedback

Negative feedback homeostasis

Negative in this context doesn't mean bad. It means your body senses a change and tries to counteract or reverse the unwanted change. Most homeostatic processes in your body rely on negative feedback.

Examples of negative feedback homeostasis include:

Blood pressure. Your blood pressure keeps blood flowing up toward your head against the pull of gravity.

Body temperature. If you're too hot, your body makes you sweat to cool you down. If you're cold, your body makes you shiver to generate heat. These are examples of thermal (temperature) homeostasis.

Fluid balance. If you drink too much water, you'll soon feel the urge to pee to get rid of the extra fluid.

Oxygen levels. Your heart and breathing rates increase and decrease depending on how active you are. That's an example of respiratory and circulatory homeostasis.

Positive feedback homeostasis

Positive feedback homeostasis means the processes add to themselves and get stronger. That will keep on happening until the initial cause is gone.

Examples of positive feedback homeostasis include:

Labor and delivery. When labor starts, your cervix starts to stretch, which triggers nerve signals that go to your brain. Your brain releases the hormone oxytocin, which causes uterus contractions. The more your cervix stretches, the more oxytocin your brain releases and the stronger the contractions get. That stops once delivery is complete and your cervix returns to its normal size.

Hemostasis (blood clotting). When you have a wound that bleeds, clotting factors in your blood activate to seal the wound. They also call for reinforcements, summoning even more clotting factors. They'll keep on calling for more clotting factors until the bleeding stops.

Immune responses and inflammation. When you have an infection or injury, your immune system causes inflammation at that site. Inflammation is your body's way of shining a spotlight on a specific place so immune cells know exactly where to go. And immune cells at the scene will keep inflammation going as long as they need more help.

Why is homeostasis important?

You can't survive without homeostasis and the processes that drive it. And every disease or medical condition involves a disruption of homeostasis.

When you get hurt or sick, your body adjusts its homeostatic processes so you can recover. That's why you get a fever with infections or your blood clots when you have a bleeding wound.

Chronic conditions happen when something goes wrong and your homeostatic processes can't adjust enough to make up for it. For example, high blood pressure (hypertension) happens when your body can't keep the pressure within a healthy range. Osteoporosis happens when your bones lose calcium faster than your body can replace it.

Some diseases happen because homeostatic processes malfunction and make things worse. Examples include:

Allergic reactions. Allergies happen when your immune system reacts to something that it thinks is a threat. Mild allergies may just be unpleasant. But if the reaction is too strong, that homeostatic process can be dangerous. For example, a bee sting causes brief pain and mild swelling for most people. But a sting can cause deadly anaphylaxis for someone with an allergy.

Autoimmune diseases. These happen when your immune system malfunctions and mistakenly attacks part of your own body. The reaction itself would likely be normal and healthy if the target were an infection or injury instead of your own healthy tissues.

Cytokine release syndrome (CRS) or sepsis. Immune system reactions naturally strengthen with time and will stop once the initial cause is gone. But those processes can rapidly become dangerous if your immune system reacts too strongly early on. That's why CRS and sepsis can become deadly so quickly.

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Homeostasis is a state of balance, and your body regulates its own systems to reach and maintain it. It's key to how all your body systems work.

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Tropical Rainforests are located near the equator and are home to half the world's species. Tropical rainforests stay wet due to the abundant amount of rain they get, which often exceeds 200 cm per year. These rainforests are also known for staying warm year-round with high levels of humidity, which makes it feel even hotter. Tropical rainforests are known to be one of the most biodiverse areas on Earth due to being home to various species. They are home to many different species because of the heavy rainfall and easy access to nutrients. Despite the large amounts of vegetation, tropical rainforests actually have poor soil quality due to rapid decomposition and nutrient uptake by plants. Tropical rainforests have multiple layers, including the emergent layer, understory, and forest floor. Each of these layers hosts different species within it.

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The article I read was over continuous glucose monitoring for blood glucose regulation. I learned that using continuous glucose monitoring along with self- regulation education can help how people manage diseases such as diabetes. The study showed that people who used continuous glucose monitoring improved their healthy habits and had lower HbA1c levels overtime. Continuous glucose monitoring gives people real-time information about their blood sugar. This helps them to monitor how their eating, exercising, and stress affect their blood sugar levels. The articled explained that self- regulation means keeping track of actions and making the correct changes to reach your health goals. I also learned that even though the use of medication did not change much, people using continuous glucose monitoring felt more confident about their health. This article explains how combining technology with correct education can leave lasting improvements in people's health.

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Biodiversity can be described as the variety of all living things and their interactions. There are also different types of biodiversity. The main types of biodiversity are Species diversity, Genetic diversity, and Ecosystem diversity. Species diversity is the variety of different species within a particular area or ecosystem. Genetic diversity is the variation in genes within a species. Ecosystem diversity is the variety of ecosystems in a given area, such as forests, wetlands, deserts, and coral reefs. Biodiversity is important because it contributes to the stability of ecosystems. Biodiversity also has cultural significance; many communities rely on biodiversity for their livelihoods and traditions.

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What Is Biodiversity? - Definition, Types And Importance - Biological diversity - Learning Junction