pls help me I am rlly confused

Answer:

When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more cells.

Explanation:

Superventricular tachycardia occurs when the system that controls your heart rhythm is not working properly.

Meiosis is the common factor which is responsible for the production of new combinations or recombination in the organisms which reproduce through sexual mode of reproduction.

Meiosis is a special type of cell division which occurs in the germ cells in organisms which reproduce through sexual mode of reproduction. These organisms produce the gametes, such as sperms or egg cells. Meiosis involves two rounds of division which ultimately result into formation of four daughter cells with only one copy of each chromosome.

Recombination or new combination results when two molecules of DNA exchange pieces of their genetic material with each other. One of the most common examples of recombination can be observed during meiosis specifically, during the prophase I stage, when homologous chromosomes line up in pairs and swap some segments of their DNA.

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Answer:

A

Explanation:

Cell theory was first formulated by Schwann and Schleiden, but because of new and advanced technology some statements were replaced and some are added.

Answer:

Narcotics

Explanation:

Narcotics, or otherwise commonly known as opioids are massively known for pain relief. There's opioid epidemic here in US b/c people are abusing the drug at extremely alarming rates. You might have heard of codeine, morphine and fentanyl, these are some of the most potent and dangerous drugs if used without proper prescription.

The component of a vaccine that makes it effective is the antigen.

What is a Vaccine?

A vaccine is a biological preparation that induces active acquired immunity to a specific disease. It contains an agent that resembles an infective microorganism and is frequently composed of weakened or killed forms of the microbe, its toxins, or one of its surface proteins. Vaccines are intended to stimulate the body's own immune system in order to protect the individual from future infection or disease.

11) An antigen is a substance that causes the body to produce antibodies when it enters the body. These antibodies help the body recognize and fight the antigen if it enters the body again.

12) A vaccination is a way of introducing a weakened or killed version of a particular virus, bacteria, or toxin into the body. This weak or dead version of the virus, bacteria, or toxin stimulates the body's natural defense system to produce antibodies that are specific to that virus, bacteria, or toxin. These antibodies can then recognize and fight off the real virus, bacteria, or toxin if the body is ever exposed to it, thus preventing the individual from getting the disease. This is known as active immunity. The immunity created by the vaccination is typically long-lasting, and in many cases, lifelong.

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According to the information, we have to draw two branches from Cephalopoda to classificate new orders. Also, we have to draw one branch from each order to mention their common names.

To organizate the information in a good way, we have to identify the brach of Mollusks and then, we have to understand how is the organization of each classification.

We have to follow the instructions, so we have to draw three branches from Mollusks to classificate Cephalopoda, Gastropoda and Bivalve. Once we did that, we must to draw two branches from Cephalopoda to classificate new orders (Octopoda and Teuthida). Finally, we have to draw one branch from each one to mention their common names.

Note: This question is incomplete because there is some information missing. Here is the complete information.

Graph attached

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Both volcanic glass and volcanic rock are produced as lava cools. As part of a powerful volcanic eruption, magma may potentially erupt into the Earth's atmosphere.

In the form of volcanic rock known as tephra, this magma solidifies in the atmosphere. Tephra is most often known as volcanic ash in the atmosphere.

Volcanoes can spew forth a significant volume of heated lava (a geosphere event), which melts mountain glaciers (a hydrosphere phenomenon).

Therefore, flooding and mudflows (geosphere) might affect settlements along streams downstream from volcanoes (biosphere).

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Answer:

All of these can be affected

Explanation:

A change in the Earth's climate can have a number of impacts on the planet and its inhabitants. Weather is a key aspect of climate, and a change in climate can lead to changes in patterns of weather, such as changes in the frequency or intensity of storms, droughts, or other extreme weather events. These changes can have significant impacts on plants and animals, as they may be adapted to specific types of weather and climate conditions. Ecosystems, which are complex systems of interacting plants, animals, and other organisms, can also be affected by changes in climate, as these changes can alter the relationships between different species and the availability of resources. Overall, climate change can have a range of impacts on the Earth and its inhabitants, and understanding these impacts is an important part of addressing this global challenge.

Answer:

cell B

Explanation:

it has more mitochondria therefore more metabolism

Answer:

The wave are following the oscillate wave

Explanation:

Rocks doesn't have the exact same mineral make up as they are made of different composition.

A naturally occurring collection of minerals and/or mineraloids is called rock. There is no known chemical makeup of rocks.

Minerals are naturally occurring substances with unique atomic structures, compositions, and chemical and physical properties. Typically, two or more minerals are mixed together through geological processes to form rocks.

Because of their minerals, formation processes, and processes that have affected the rocks since they were formed, various rocks have different properties.

Rocks are composed of minerals and have a wide range of traits or properties. When a rock is ground into a powder, it takes on the color of streak, and a rock's luster indicates how shiny it is. Other characteristics include size, shape, texture, and hardness.

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Brighter feathers, however, give male birds a reproductive advantage and assist them attract female birds for mating. Because of this, populations of birds with brighter plumage continue to exist despite having a higher risk of being eaten by a predator.

They are used to entice prospective partners. Birds may recognize their own species by using colors and patterns. Birds can camouflage themselves against predators by using different colors. When courting, colors are utilized to draw attention (ie: courtship displays).

Some animals are colored for physical protection, and some frogs can change the color of their skin to regulate their body temperature. Pigments in the skin of some animals prevent sunburn.

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Answer: Its D- become the dominant bird in the population

Explanation: I got it right on the test

Division is a biological categorization level that is used to categorize or research plants. Consequently, a division must be related to plants.

Living creatures are categorized by scientists based on their biological characteristics. Organisms are grouped based on how similar they are. In the past, similarity was determined by examining the physical characteristics of an organism, but modern classification uses a variety of techniques, including genetic analysis.

As according similarities and differences, recognized species are divided into several groupings or taxa, which is the definition of classification. Phylogenetic classifications, Natural classifications, & Artificial classifications are the three categories of categorization.

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Answer: B

Explanation: Trust

determined by evolution, have evolved

Carps, tilapia, catfish, and milkfish are particularly significant as protein sources for low-income families in developing nations. Freshwater finfish and tiny marine finfish species from the catch fisheries are also essential.

Pisciculture is the proper response. Pisciculture is the practice of rearing fish in ponds or tanks for human consumption. Tilapia, salmon, carp, and catfish are the most significant species that are raised on a global scale.

Long-chain omega-3 fatty acids, iodine, vitamin D, and calcium are just a few of the vital nutrients that can only be found in fish. Fish, one of the most significant sources of proteins and micronutrients, could be a powerful tool in the fight against malnutrition in India.

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Answer:

C wind erosion is most responsible for the formation of sand dunes.

Explanation:

Sand dunes are formed when wind blows loose sand from a beach, desert, or other location, and deposits it in a new location. The sand is then shaped by the wind into dunes, which can vary in size and shape depending on the strength and direction of the wind. Water erosion, volcanism, and glaciation can all also contribute to the formation of sand dunes to some extent, but wind erosion is typically the primary process responsible for their formation.

Answer:

A) one cell with two identical copies of DNA

Explanation:

The end result of mitosis is one cell with two identical copies of DNA.

Answer: A) one cell with two identical copies of DNA

Explanation: Mitosis is a process of cell division that occurs in somatic cells (non-reproductive cells). It involves a series of steps that result in the formation of two identical daughter cells.

During mitosis, the parent cell undergoes several stages: prophase, metaphase, anaphase, and telophase. In prophase, the DNA condenses into visible chromosomes, and the nuclear membrane begins to break down. In metaphase, the chromosomes align in the middle of the cell. In anaphase, the sister chromatids separate and move towards opposite poles of the cell. Finally, in telophase, the nuclear membranes reform around each set of chromosomes, and the cell begins to divide.

At the end of mitosis, each daughter cell contains the same number and type of chromosomes as the parent cell. This means that each daughter cell has an identical copy of the parent cell's DNA. The division of the cytoplasm then occurs in a process called cytokinesis, resulting in two separate daughter cells.

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Therefore, a half-life of 2000 years saying that 100 grams will decompose to 50 grams in 2000 years. That 50 g will decompose to the requested 25 grams in another 2000 years. 2,000 + 2,000 = 4,000 years are required.

Elements are substances that cannot further breakdown as a result of any chemical reaction. There are a certain number of protons in each element's atom.

Since they make the organic compounds that are present in all living things, chemical elements are crucial to living things. Carbon is the primary element in all organic compounds, including lipids, nucleic acids, proteins, and carbohydrates.

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If Cystic fibrosis is the result of deletion mutations that are inherited from both parents, then the sample chromosome that shows an example of a deletion mutation is  B. RSTUV-XYZ ----> STUV-XY.

A deletion genetic mutation can be defined as an alteration in the genetic material of the cell of an individual associated with the loss of one or more nucleotides in the original sequence.

Therefore, with this data, we can see that a deletion genetic mutation is caused by the loss of nucleotides in the DNA.

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A species that lack a swim bladder, a fish without buoyancy issues will often stay still and erect in the water.

You will notice excessive fin movement if your fish are trying to keep upright or are swimming sideways or upside down as they attempt to float correctly.

Thus, we may draw the conclusion that the swim bladder's air capacity rises as the fish dives deeper.

You might be shocked to learn that the majority of bony fishes have a swim bladder, a particular organ that helps them with that.

Therefore, this is a gas-filled sac with a thin wall that is found inside a fish's body.

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In the given question original DNA sequence has amino acid sequence methionine, tryptophan, asparagine, arginine, cysteine, and stop codon, so a mutation in 1 sequence: Transition, 2: Transition, and 3: Transversion.

In the first DNA sequence, the transition mutation changes the amino acid sequence of protein into methionine, stop, asparagine, arginine, and cysteine.

The second amino acid sequence after mutation is methionine, leucine, glutamine, proline, and leucine.

The third amino acid sequence after mutation is methionine, tryptophan, threonine, and alanine.

Therefore, a mutation in the DNA changes the amino acid sequence, which changes the structure and function of the protein.

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Answer: 2 increased use of fossil fuels

Answer:

C; thats good

Explanation:

Hope this helps!

The five conservation related conventions are:

1. Convention on Biological Diversity

2. Convention on International Trade in Endangered Species of Wild Fauna and Flora

3. Convention on Migratory Species

4. Ramsar Convention on Wetlands

5. Convention on the Conservation of Antarctic Marine Living Resources

The Convention on Biological Diversity is the most embracing of these conventions, as it provides the most comprehensive coverage of conservation related issues. Its focus is on the conservation of biodiversity, sustainable use of resources, and the fair and equitable sharing of benefits arising from the use of genetic resources. Additionally, it provides strategies and commitments to ensure that exploitation of living resources is done with sustainability and responsibility, bringing it into line with the principles and goals of ecological conservation.

The types of isomers present in Pentane with molecular formula C5H12 are Structural isomers, option B.

Structural isomers are isomers in which the atoms are completely different in order but have the same molecular formulas. Structural isomerism occurs when molecules have the same molecular formula but a different structural formula.

Different types of structural isomerism include chain isomerism, position isomerism, and functional group isomerism. C5H12 exists as three chain isomers, one -CH3 groups and two -CH3 groups. Because more branched isomers have weaker Van der Waals forces and thus lower boiling points, chain isomers have similar chemical properties but different physical properties.

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