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od Web (S8 Life Science)
What is the MOST LIKELY effect of a DECREASE in the snake population in this food web?
Birds
Hawks
Insects
Snakes
Salamanders
Mice
Acorns
Pinecones

Answer:

Your brain gets a boost of these chemicals when you're sexually or romantically attracted to someone. This surge in hormones appears to make your pupils dilate.

Establishing a routine can be quite beneficial! Make sure to arrange time for your mental and emotional well-being, enjoyment, creativity, social interaction, and stress release in addition to your academic obligations.

1. Consider this an opportunity to think about who you want to be right now. Pay attention to what you can control.. It's important to be informed, yet it's also wise to take pauses from discussions, news, and information about COVID-19.

2. Most people experience adjustment in a different way. It is not a streamlined or clearly defined process. It's crucial to be flexible and patient.

3. Even with family, friends, and instructors, it's acceptable to establish boundaries.

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The two main types of GMOs (Genetically Modified Organisms) are A) Pesticide Producers and D) Herbicide resistors.

A) Pesticide Producers refer to genetically modified crops that have been engineered to produce a toxin that is toxic to specific pests.

These crops, commonly known as Bt crops, have been modified with genes from the bacterium Bacillus thuringiensis (Bt), which naturally produces a protein toxic to certain pests.

By incorporating the Bt toxin-producing gene, these crops can produce the toxin themselves and provide built-in pest resistance.

D) Herbicide resistors are genetically modified crops that have been engineered to be resistant to specific herbicides.

The most widely used herbicide-resistant crops are glyphosate-resistant crops.

They have been genetically modified to tolerate the application of herbicides containing glyphosate, allowing farmers to control weeds effectively without harming the crop.

B) Fungicide Producers and C) Bacteria Producers are not the main types of GMOs.

While genetic engineering techniques have been used to develop crops with improved resistance to certain fungal diseases or to introduce beneficial bacteria for specific purposes, these are not as prevalent or widely known as pesticide producers and herbicide resistors.

In summary, the two main types of GMOs are A) Pesticide Producers and D) Herbicide resistors, which involve genetically modified crops engineered to produce toxins harmful to pests and crops engineered to be resistant to specific herbicides, respectively.

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Answer:

C

Explanation:

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C. Encourage using public transportation rather than driving individual cars.

The graphic organizer which best compares the energy inputs and outputs of cellular respiration and photosynthesis is the second one because light energy is needed in plants to develops photosynthesis, which is needed at the same time to produce chemical energy in form of glucose, which is needed by other organisms like animals to develops cellular respiration to eventually produce chemical energy in form of ATP.

Plants need to go through both photosynthesis and cellular respiration because building the sugar alone does not provide them with energy , they need to break it down to access it.

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Answer:

The correct answer is:

The groom had to ask the bride’s parents for permission to marry her.

Explanation:

Marriage in ancient Greek was less of a personal relationship than it was a social relationship. Asking a parent or guardian by the groom for permission to marry the bride is a tradition that spans several cultures and was also evident in ancient Greek marriage rituals. The permission is usually given by the father, and once that happens, the couple is officially engaged. Marriages were also arranged through the meeting of the fathers of the young couple, basing the marriage on their interests in expanding a business or forging an alliance between the families, with little concern about what the groom thought of the situation, and no regard for what the wife wished

Answer:

B. The groom had to ask the bride's parents for permission to marry her.

Explanation: This is the correct answer on Edge 2021, just took the quiz. Hope this helps ^-^.

Ecosystem condition can vary as a result of fire, flooding, drought, extinctions, invasive species, climate change, mining, overexploitation in fishing, farming or logging, chemical spills, and a host of other reasons.

Peer review is the process of having another expert in the same field examine an author's academic work and study to verify its validity and determine whether it should be published.

California's Medicaid system is known as Medi-Cal. Federal and state governments each contribute a portion of the cost of Medicaid. The Medi-Cal program in California offers comprehensive health insurance coverage that pay for all essential medical costs up to the program's maximums.

California's Medicaid system is known as Medi-Cal. Children and adults with modest incomes and resources can access free or inexpensive medical care through this public health insurance program.

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Species richness is a measure of the number of species present in an ecosystem while species evenness is a measure of how evenly the abundance of each species is distributed.

Species richness is calculated by counting the number of species present in a certain area while species evenness is calculated by comparing the relative abundance of each species. Yes, an ecosystem can have a high richness and low evenness, or a low richness and high evenness.

Species richness is a measure of the number of different species present in an ecosystem. This can be calculated by counting the number of different species in a certain area. Species evenness, on the other hand, is a measure of how evenly the abundance of each species is distributed.

This can be calculated by comparing the relative abundance of each species, such as by looking at the ratio of each species’ abundance. In an ecosystem with a high species richness and a low species evenness, this means that the number of different species present is high, but the abundance of each species is not evenly distributed. Conversely, in an ecosystem with a low species richness and a high species evenness, the number of different species present is low, but the abundance of each species is more evenly distributed.

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The genotype of a light brown dog produced from a cross between a dark brown dog and a light red dog either be Bb or bb.

To determine the genotype of a light brown dog produced from a cross between a dark brown dog and a light red dog, we need to understand the basics of genetics.

Genes are inherited from parents and are responsible for determining the physical characteristics of an individual. In this case, we can assume that the genes responsible for coat color are controlled by two alleles.

Let's use B to represent the dominant allele for the dark brown coat color and b for the recessive allele for the light red coat color.

The dark brown dog would have the genotype BB or Bb, while the light red dog would have the genotype bb. When these two dogs are crossed, their offspring would inherit one allele from each parent.

Therefore, the light brown dog would have the genotype Bb or bb.

If the light brown dog has the genotype Bb, it means it inherited one dominant allele from the dark brown parent and one recessive allele from the light red parent.

On the other hand, if the light brown dog has the genotype bb, it means it inherited two recessive alleles from both parents.

Therefore, the genotype of a light brown dog produced from a cross between a dark brown dog and a light red dog could either be Bb or bb.

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Answer:

Choice C

Explanation:

Chemical reaction is basically when one or multiple substances would form  into one or more new substances.

Answer:

5. c. It remains constant

6. c. ecosystem

7. d. carbon dioxide

Answer:

%50

Explanation:

Heterozygous = 2 different alleles (Tt)

4 leaf clover = 2 recessive alleles (tt)

T is dominant over t, so with the combination of Tt three leaves are expressed, rather than four leaves

For a recessive trait (four leaves) to show 2 recessive alleles are needed

To find the percentage of the offspring to have four leaves a punnet square should be created

To find the percentage divide the number of four leaf offering with 4 and multiply by 100

2÷4×100=50

= 50%

In the Atlantic Ocean, threespine sticklebacks are dispensed from the Iberian Peninsula through the British Isles to Iceland and southern Greenland, and south along the east coast of North America to Chesapeake Bay.

Image result for three-spined sticklebacks (gasterosteus aculeatus) are small fish that stay in each marine and freshwater environments. there are two alleles at the eda gene: m and f. genotypes mm and mf each have bony armor plating, while genotype ff has low bony armor. a biologist genotypes a population residing in freshwater cranby lake at the eda gene, and finds 17 fish with genotype mm, 50 with genotype mf, and 83 with genotype ff.

The existing and preceding research suggest that most sticklebacks live in intertidal areas such as estuaries, salt marshes and tidal pools, and could be estuarine residents that complete their entire lives in seawater and/or brackish water environments besides any freshwater life.

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Discussion, projects, campaigns and events can support victims of drugs abuse by making them aware of the effect and also as a n avenue for them to share their issues so as to gain support from people.

This involves the excessive use of drugs which results in creating pleasurable effects on the brain. This usually leads to addiction and destroys vital cells of the body such as that of the liver, lungs etc.

Discussion, projects, campaigns and events can support victims of drug abuse due to the awareness it creates so that people can stay away from it in any form.

The affected individuals are usually offered support such as referring them to rehabilitation centers when their issues are said to the members of the team so as to ensure that they are able to recover fully from it without relapse.

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Answer:

256

Explanation:

Answer:

256

Explanation:

Hope it helps you

Hope it helps you

I'm not sure, but I think it's a-A

The chemosensitive area (central chemoreceptors) ultimately responds to changes in the levels of carbon dioxide (CO2) and pH in the cerebrospinal fluid (CSF).

The central chemoreceptors are located in the medulla oblongata, a part of the brainstem that controls many involuntary functions, including respiration. These receptors are highly sensitive to changes in the levels of CO2 and pH in the CSF. When the levels of CO2 and pH in the CSF increase, the central chemoreceptors stimulate an increase in the rate and depth of breathing. Conversely, when the levels of CO2 and pH in the CSF decrease, the central chemoreceptors decrease the rate and depth of breathing.

The chemosensitive area or central chemoreceptors are an important part of the respiratory control system. They respond to changes in the levels of CO2 and pH in the CSF by stimulating or inhibiting the rate and depth of breathing. This helps to maintain the appropriate levels of oxygen and carbon dioxide in the body, which is essential for the proper functioning of organs and tissues. The chemosensitive area is located in the medulla oblongata, which is a part of the brainstem that controls many involuntary functions, including respiration.

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Answer:

Tropisms are curvature movements of plant organs induced by directional environmental stimuli. Phototropism is the curvature of a plant organ induced by an external gradient of light. It manifests itself in seedlings, shoots and reproductive organs. On the other hand, hydrotropism is the growth response of an organism to water or moisture. Gravitropism is a curvature movement of a plant organ with respect to the direction of gravitational acceleration and thigmotropism are plant growth responses to contact, allowing roots to grow around various obstacles.

Explanation:

Plants have certain movements towards certain stimuli, for example, the roots seek the earth; the stem and leaves grow in the direction of the light. These movements are made in the direction of those factors because they are necessary for the survival of the plant. The movements that plants make in favor or not of a stimulus is called tropism. The direction of the different tropisms depends on the direction of the stimulus and they are named according to the stimulus. Phototropism is the orientation of the plant towards the light. The leaves and the stem will grow in the direction of the light (positive phototropism), these responses to stimuli are regulated by substances called plant hormones or phytohormones. The subterranean organs (the roots) show negative phototropism, grow towards the ground in opposition to the stimulus or are insensible to light gradients. On the other hand, gravitropism refers to the curvature response of a plant organ with respect to the direction of gravitational acceleration. The response is also due to a differential growth between opposite parts of the organ and, therefore, it occurs in growth organs or in mature organs that regain the ability to grow, it will be positive because the root goes towards the ground in the roots and negative in the aerial organs. Gravitropism is a threshold phenomenon, that is, it requires a minimal stimulus to trigger the response. The dose of the gravitational stimulus is a function of the direction and magnitude of the acceleration and the presentation time. Hydrotropism is a form of tropism characterized by the growth or movement response of a cell or an organism to moisture or water, that is, directional growth of plant roots in relation to the availability of water. Thigmotropism is growth and movement in response to contact, it allows roots to grow around various obstacles and is responsible for the ability of climbing plant stems to roll over supporting structures. When the aerial parts of a plant tend to grow around a support, they have positive thigmotropism. The roots, on the other hand, have negative thigmotropism, since it allows them to avoid obstacles that appear on the ground, such as rocks.

Organisms that can make their own food through the process of photosynthesis are called producers or autotrophs.

An organism is considered to be autotrophic if it can produce its own food using chemicals such as light, water, carbon dioxide, or other elements. Due to the fact that they manufacture their own food, autotrophs are also known as producers. There are many different kinds of autotrophic organisms, while plants are the most well-known.

The majority of autotrophs use the process of photosynthesis to manufacture their food. In photosynthesis, autotrophs use the sun's energy to turn carbon dioxide from the air and water from the soil into glucose, a nutrition. One variety of sugar is glucose. Plants are given energy by the glucose. Additionally, plants need glucose to create cellulose, which helps them grow and create cell walls.

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Answer:

A specific question that could be used to start a scientific investigation is A. Do long droughts increase the likelihood of forest fires. This question can be tested and answered through scientific methods and data collection.

Lipids (phospholipids and cholesterol), proteins, and carbohydrate groups connected to some of the lipids and proteins make up the majority of the plasma membrane.

Membrane proteins can be divided into three main categories based on their structural characteristics: integral membrane proteins, which are permanently anchored to or a part of the membrane; peripheral membrane proteins, which are momentarily attached to the lipid bilayer or to other integral proteins. Glycolipids and glycoproteins, which are short carbohydrate chains that protrude from the surface of lipid and protein on the cell membrane, are frequently found there. They interact with the water molecules surrounding the cell to produce hydrogen bonds, which aid in stabilizing the membrane structure.

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Enamel is indeed the hardest substance in the human body. It is present in teeth of humans. It covers every tooth and provides the hard layer.

Tooth Enamel is hard glossy substance that is comprised of calcium and phosphate mineral crystals which in return makes our teeth more stronger. Teeth enamel care is extremely important to maintain the oral health of teeth.

Tooth Enamel is one of the major tissue that make up tooth in humans. It covers the top layer of the teeth known as Crown. Calcium hardens the tooth enamel. Enamel contains 96% of the minerals. The color of Enamel varies from light yellow to white.

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IgA (Immunoglobulin A) is the antibody that confers the most important specific local immunity to enteric, respiratory, and genitourinary pathogens.

An antibody is a protein produced by the body's immune system when it detects harmful substances, called antigens. Antibodies recognize and latch onto antigens in order to remove them from the body. They are found in the blood and other bodily fluids and are an important part of the body's defense against infection and disease.

IgA is produced mainly in mucosal areas such as the gastrointestinal tract, respiratory tract, and genitourinary tract, and is the primary antibody found in mucosal secretions. It plays an important role in protecting the body from infections by providing a first line of defense. IgA can bind to and neutralize pathogens such as bacteria and viruses, helping to prevent them from entering the body.

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HBV is a significant risk factor for cirrhosis of the liver, alongside excessive alcohol consumption.

When a person contracts HBV, the virus attacks the liver and can cause inflammation and damage to the liver cells. If this damage is not repaired, it can lead to the formation of scar tissue, which can eventually progress to cirrhosis. Similarly, excessive alcohol consumption can also cause inflammation and damage to liver cells, leading to the formation of scar tissue and ultimately, cirrhosis.

It's worth noting that not everyone who contracts HBV or drinks excessively will develop cirrhosis. The risk of cirrhosis depends on various factors, such as age, genetics, and overall health.

However, it's essential to take steps to protect your liver health, such as getting vaccinated against HBV and avoiding excessive alcohol consumption, to reduce the risk of developing cirrhosis. If you suspect that you may have HBV or are concerned about your liver health, it's crucial to speak to a healthcare professional.

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