The food web above represents feeding relationships in a biological community near a deep-sea hydrothermal vent. Hydrothermal vents are geysers on the seafloor that gush super-heated, mineralrich water. The seawater surrounding hydrothermal vents typically contains carbon dioxide (CO2), molecular hydrogen (H2), hydrogen sulfide (H2S), and methane (CH4). Sunlight, however, fails to reach the seafloor where deep-sea hydrothermal vents are located. As part of an investigation, researchers collected living specimens from an area near a deep-sea hydrothermal vent. Mussels in the collection were found to be dependent on molecular hydrogen in seawater. Also, the researchers discovered multiple species of bacteria living in the gills of the mussels.
Mussels use gills for filter-feeding and gas exchange with the surrounding seawater. On the basis of their experimental results, the researchers hypothesized that some bacteria living in the gills of the mussels are capable of chemosynthesis. Which of the following best explains how biological communities near deep-sea hydrothermal vents can exist in a habitat lacking sunlight?
a) Environmental conditions on some distant planets resemble those experienced by organisms
living near hydrothermal vents.
b) Heterotrophs metabolize carbon-containing compounds produced by the photosynthetic
organisms that live on the seafloor.
c) Some organisms rely on energy captured from inorganic compounds to drive basic biological processes.
d) Some organisms that can tolerate high temperatures are single celled, whereas others are multicellular.

Kelp forests are a very important ecosystem in marine waters by supporting important biodiversity. These kelp forests are threatened by all of the following except presence of large predators.

Kelp forests are an incredibly important marine ecosystem that provide a variety of benefits to the surrounding environment. They are a prime source of habitat and food for a large variety of species, including fish, invertebrates, and even certain species of seabirds. In addition, kelp forests also act as a type of buffer, protecting coasts from erosion and providing habitat for juvenile fish, which helps to maintain coastal fish populations. Unfortunately, kelp forests are threatened by many factors, including overfishing, pollution, and climate change.

The one factor that does not threaten kelp forests is the presence of large predators. While large predators can have a significant impact on the overall structure of a kelp forest, they are not directly responsible for the decline and destruction of kelp forests. For example, while sea otters, seals, and sea lions can have a significant impact on kelp forests by over-browsing, they are not the cause of the decline in kelp forests.

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Answer:

The answer is A. decreased prevalence of disease

Answer:

ATGGCTAACGT so D

Explanation:

because in DNA adenine always pairs with thymine and Cytosine with Guanine. you can also remember them as Apple Tree and Car Garage.

Answer:

B

Explanation:

So lets go over facts of mieosis and mitosis:

Meiosis is sexual reproduction

Mitosis is asexual reproduction

Meiosis in animals is how they reproduce

Mitosis in animals is how they regenrate their cells

Mitosis copies the orgninal cell.

Meiosis mixes a male and female egg and sperm to form a zygote

Ok, knowing this. We can find our answer.

Since we know meiosis is sexual, and mitosis asexual, we can get rid of C.

We also know that meiosis is in animals, and so is mitosis, so we can get rid of A.

Finally we can get rid of D, since we know due to the male and female genetics(and through the swapping of chromesomes during prophase)that genetic variation occurs in meiosis, but since mitosis copies a single cell, it is not genetically varient.

So the answer must be C, which states that Mitosis has genetically identical cells, while mieosis does not.

Hope this helps! ;)

The purpose of this experiment is to separate the pigments to identify each pigment by their color properties and how far they travel using paper chromatography is the goal of the experiment separation of pigments by paper chromatography.

Paper chromatography is a separation method in the form of color propagation that can be seen on the chromatography paper and the spots that are there to compare the spots from the sample and the spots from the standard.

Filter paper in paper chromatography is used as a stationary phase in the separation process. The selection of filter paper used is one of the determining factors for success in chemical separation and analysis. So in paper chromatography experiments the dyes will be distributed, so that the pigments can be easily separated and identified based on their color properties.

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Answer:

d. proteomics i think

Explanation:

Omics technology requires reverse transcriptase in the filed of proteomics. Thus, the correct option is D.

Omics technologies are the field of science which primarily aims at the universal detection of genes which is genomics, transcriptomics in the detection of mRNA, proteomics for the detection of protein, and metabolomics for the detection of metabolites in a specific biological sample. Omics technologies have a broad range of applications in research.

Omics technologies aim at the collective characterization and quantification of the pools of biological molecules and samples that translate into structures, functions, and dynamics of an organism or a group of organisms.

Therefore, the correct option is D.

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Gizmo High nitrate levels in a newborn's drinking water are typically the cause of the blue baby syndrome. To save other babies from getting sick and to identify the source of the elevated nitrates is crucial.

Blue infant syndrome is most frequently brought on by nitrate-contaminated water. A baby's body turns nitrates into nitrites after consuming formula prepared with nitrate-rich water. The body's haemoglobin binds to these nitrites to generate methemoglobin, which cannot transport oxygen.

A well-known risk factor for child methemoglobinemia is preparing infant formula using drinking water that has been polluted with nitrogen cycle. Infants that are affected have strange blue-gray skin and, depending on the degree of their disease, may become agitated or sluggish.

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Answer:

A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether.

Hope that helps! :)

-Aphrodite

Explanation:

Mollusks have soft bodies, and their bodies are not divided into rings like the segmented .Mollusks also have a hard outer shell to protect their bodies. These characteristics makes mollusks different from other animals.  

Four common characteristics that all mollusks share , are having soft bodies, a mantle, a visceral mass, and the foot.

The phylum Mollusca has many distinctive features and  special characteristics, which include a mantle cavity, visceral mass, foot, and radula.  Mantle is the cavity which is used for breathing and excretion purpose , radula is longue like structure that helps in sensory and food grasping purpose. Mollusks also includes various classes like Gastropod, Bivalvia, Cephalopoda, and Polyplacophora .

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Answer:

homologous structure

Explanation:

Answer:

Explanation:

D

Answer:

you didnt give us the equation

Explanation:

Great minds think alike! I also think the golden one is the best choice.

Go for it!

Answer:

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

Three vegetarian choices for protein includes Grains and pulses, Dairy products and Soya and tofu.

Protein for vegetarians include beans, peas, and lentils, nuts and seeds and soy products. Protein is one of the most essential nutrients for daily life , as they are required to help your body repair cells and make new ones. Protein also plays crucial role in growth and development in children and expecting mothers .

In general , proteins are required for the repairing and building your body's tissues, They also allows metabolic reactions to occurs at place for easy body function . Hence , vegetarians should include protein from variety of protein sources to ensure proper body functioning .

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Answer:

D. cell, tissue, organ, organ system, organism

Explanation:

also before cells there are also (and in order) atoms, molecules, organelles

(have a great day!)

;)

Answer:

UGU-AAA-GUC-UGG-CAG

Cys, Lys, Val, Trp, Gln

Explaination:

Apples Under Trees

That sentence will make sense in a second,

A(Adenine) goes with T(Thymine)

G(Guanine) goes with C(Cytosine)

Ex: CAT

->GTA

That's DNA's complementary DNA sequence.

For DNA converting to RNA

(Where Apples Under Trees comes in)

T(Thymine) will be replaced with U(Uracil)

Ex: CAT

->GUA

Codon chart:

For the codon chart, I like to use the circle one.

Steps:

We will be finding the sequence GUA :)

1. Find the first FOUR boxes in the middle. (Color Coded tan)

We have G first, so go on to the next section.

(as you can see the codon chart is split into four sections)

2. Find the next letters (Color coded light green) and find U because that's the letter after G.

3. Find the next letters (Color coded white) and find the amino acid the letter matchs to.

If you got VAL you did it correctly :)

The hot springs of Geyser Basin in Yellowstone National Park are a great place to observe the growth of thermophiles. Thermophilic microorganisms can live in very hot water. This statement is true.

The term "thermophile" refers to bacteria that can grow at temperatures up to 55°C (minimum 45°C, optimum temperature range 55-65°C, maximum 80°C). Hyperthermophiles (extreme thermophiles) are microorganisms that can grow at temperatures as high as 113°C, ideally 80°C. Examples include Bacillus stearothermophilus, Thermoplasma acidophilus, and Thermus aquaticus.

Hot springs are often home to microbial communities adapted to life in hot, mineral-rich waters. Oxygen and light levels are lower in hot springs. Almost all hot springs and geysers are home to thermophilic bacteria.

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The statement "Water molecules move into and out of cells through the cell membrane by active transport" is definitely false.

Active transport may be defined as a type of transport that significantly occurs against the concentration gradient and is mediated with the help of carrier proteins. In this type of transport, metabolic energy is utilized in order to migrate ions or molecules against a concentration gradient.

Water molecules throughout the cell are mediated by the process of diffusion where ions are molecules that generally migrate from the region of higher concentration to the lower concentration through a semi-permeable membrane.

Some examples of active transport include the passage of sodium and potassium ions through the sodium-potassium pumps.

Therefore, the statement "Water molecules move into and out of cells through the cell membrane by active transport" is definitely false.

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Answer:

Small core, 30 coils

Explanation:

That's what the bar graph says

Brainliest pls!

Answer:

the first circle the 30 small coil

Explanation:

Bacteria are able to survive in wide range or environments like mountains, springs, guts of organisms etc.

Bacteria are unicellular or single-celled organisms which have the ability to survive in a wide variety of conditions. They can be found almost everywhere in the environment.

Bacteria which can withstand very high temperatures are found in hot springs. They can also be found frozen in the ice of Antarctica and other cold places. Bacteria are also found on top of cold mountains and are found to thrive in the aquatic environment of seas and oceans. Although most bacteria thrive in neutral environment, a lot of them are able to survive in highly acidic environments.

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Primary methods of confirming endotracheal tube placement within the trachea is Demonstration of exhaled carbon dioxide (CO2) and a rapidly increasing heart rate.

Endotracheal intubation can be done either as an emergency procedure (e.g., for diaphragmatic hernia, severe airway anomalies, failure of mask ventilation, prolonged ventilation, endotracheal tube (ETT) change, or instillation of surfactant) or as an elective or semi-elective surgery.

Chest radiography can be used to validate ETT location, but this procedure is sometimes delayed. As a result, a number of quick point-of-care techniques to verify proper tube placement have been developed, including clinical symptoms, exhaled CO2, respiratory function monitors (RFMs), and ultrasound.

Radiology of the chest The proper tube position within the trachea, which should be just below the level of the vocal cords and significantly above the carina, can be confirmed using a chest radiograph. Before X-ray confirmation, various methods have been documented to place the tube over the carina.

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Explanation:

10

please mark me brainliest if it helps you then plzz

Answer:

The correct answer is actually 100x weaker.

Explanation:

They have energies of 1–3 kcal mol-1 compared to roughly 100 kcal mol-1 for a carbon-hydrogen covalent bond.

Answer:

Three examples of fossil fuels are:

1). Petroleum

2). Coal

3). Natural gas

Ded by a DNA sequence called as a repressor. A repressor is a DNA sequence that activates expression.

Explain protein. Protein makes up the majority of the body's organs, tissues, and body parts, include muscle, bones, skin, and fur. It helps to produce enzymes, which power countless chemical reactions, and hemoglobin, which carries oxygen in the blood.

Protein is an essential part of the processes that give you energy and enable your blood to carry oxygen throughout your body. In addition, it encourages the creation of antibodies that fight off illnesses and infections, keeps

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Answer:True

Explanation: The process of breaking the hydrogen bonds between the nucleotides of the double helix strand of the DNA requires energy.

Light energy is captured in the process of photosynthesis which stores the energy in organic molecules to be used in the process of respiration.

This is referred to as the process in which green plants manufacture food in the presence of sunlight which is stored in the molecular bonds of organic molecules such as sugars.

It is used during the process of respiration by cells of the body and it involves the production of energy from the oxidation of complex organic substances as result of the body taking in oxygen and giving off carbon dioxide which is therefore the reason why they were chosen as the correct choices.

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A single amino acid substitution in a protein can cause a dramatic difference in the final shape of red blood cells through changes in the protein's conformation.

Proteins are composed of a sequence of amino acids and their three-dimensional structure is determined by the interactions between different regions of the protein, such as the hydrogen bonds, electrostatic interactions, and hydrophobic interactions. These interactions help to keep the protein in its specific conformation, which is essential for its function. A single amino acid substitution can alter these interactions and disrupt the protein's conformation. This can lead to changes in the shape and properties of the protein.

In the case of red blood cells, a single amino acid substitution in a protein that is responsible for maintaining the shape of the cell can cause the cell to change shape. For example, a substitution in the protein spectrin, which is a component of the cell membrane, could cause the membrane to be more or less flexible and thus resulting in a change in shape of the red blood cell. This change in shape can affect the mechanical properties of the cell and can have a significant impact on its ability to flow through capillaries and deliver oxygen to tissues.

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