BRAINLIEST PLEASE ANSWER FASTWhich of the following is NOT a way that biodiversity is important to an ecosystem?
A Different types of decomposers are available to break down many types of waste.
B Biodiversity makes ecosystems more stable.
C Biodiversity can increase the rate of extinction.
D If one food source goes extinct other food sources are more likely to be available.

Answer:

Femur

Explanation:

Your femur or thigh bone is the biggest bone in your body.

Answer:

The gravitational pull between two objects increases as the distance between them decreases. The gravitational pull also increases with an increase in the mass of the objects. Earth has a large mass. So, when our bodies are close to Earth, the gravitational pull between us and the Earth is strong. This force pulls us down, so we stand firmly on the ground without floating in the air. Without the gravitational force, we would drift away from Earth.

On Plato.

Explanation:

Final answer:

The Earth's gravity pulls everything towards its center, with the force exerted by every part of the Earth contributing to the gravitational pull. This phenomenon is due to the symmetry of gravitational forces between Earth and objects on its surface. Gravity's significant impact on us is a result of its dominant force among the fundamental forces.

Explanation:

Earth's gravitational force pulls everything down towards the center of the Earth, causing objects to fall when dropped. When you stand on the ground, the force of gravity is exerted by every part of Earth, with the entirety of the Earth's mass contributing to the gravitational pull.

Observations show that objects like you, your desk, or a falling apple exert an equal but opposite pull on the Earth. This phenomenon highlights the symmetry of gravitational forces between Earth and objects on its surface.

Gravity affects us noticeably due to its prominent force among the four fundamental forces. The near perfect symmetry of Earth causes the total force to almost cancel out sideways components, making gravity appear to pull straight down.

Answer:

translation

Explanation:

transcription is when the DNA becomes RNA. Hope that helps.

tRNA (Transfer RNA) transfers amino acids during the process of translation, adding specific amino acids to the growing protein chain. This amino acid transfer does not take place during transcription, which is a separate process for creating an RNA copy of a gene sequence.

The role of tRNA (transfer RNA) is very critical in protein synthesis, specifically during the process of translation, not transcription. Transcription is the process of creating an RNA copy of a gene sequence. On the other hand, translation is the process of translating the sequence of a messenger RNA (mRNA) molecule to a sequence of amino acids during protein synthesis. It is during translation where tRNAs play a vital role. Each tRNA molecule carries a specific amino acid, where it pairs with complementary base pairs in the mRNA molecule and adds its amino acid to the growing protein chain. Therefore, tRNA transfers amino acids during translation.

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Answer:

Newton’s first law (i.e about inertia) is best shown in this example.

Explanation:

Explanation:

Watson and Crick's model is composed of two anti parallel strands that are connected by hydrogen bonds between nitrogenous bases. Hydrogen bonds form between adenine and thymine and between cytosine and guanine. The  multiple strands of DNA double helix are  joined combinedly by hydrogen bonds between nitrogenous bases on opposite strands. Every pairs of the bases present the flat, which further makes a "rung" on the ladder of the DNA molecule.

Answer:

formula used: volume=density/volume

Explanation:

data:

volume=?

density(given)=917kg/m^3

mass(given)=0.0427kg

solution:

917/0.0427 =21475cm^3

The volume of the sample of vegetable oil is 4.66 x 10^-5 cubic meters.

First, we should recall the formula for density, which is:

Density = Mass/Volume

Using this formula, we can rearrange it to solve for volume:

Volume = Mass/Density

Plug in the given values:

Volume = 0.0427 kg / 917 kg/m3

Simplifying the expression, we get:

Volume = 4.66 x 10-5 m3

Therefore, the volume of the sample is 4.66 x 10-5 cubic meters.

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Answer:

Methanogens are members of the domain Archaea, and fall within the kingdom Euryarchaeota

Explanation:

Answer:

D. All of the above

Explanation:

Currently, the world is facing the Sixth Mass Extinction of both wildlife and plants species, especially in regard to mammal populations. This mass extinction is the result of human activities and anthropogenic climate change as well as global warming.

Among the most harmful activities that impact wildlife populations are habitat destruction (A) like deforestation, pollution (B) such as the release of toxic chemicals that come from fertilizers and pesticides, and the introduction of exotic species into ecosystems (C) that disrupt native species' habitats and pose threats due to competition and predation.

A spreadsheet is a computer application for organization, analysis and storage of data in tabular form.

a spreadsheet is a computer application for organization, analysis and storage of data in tabs.

Answer and Explanation:

Quarantine refers to a process in which people are isolated due to the possibility of spreading a disease. This is done to protect both the people who are in quarantine and the people that don't have the symptoms of a given disease. Mandatory quarantine refers to the legal process of people being unable to leave quarantine no matter the circumstance.

Although mandatory quarantines has many benefits as it prevents the public from being exposed to pathogens, it can have negative consequences. For example, there have been many cases in which children are left alone and isolated from parents due to the possibility of having a disease. Some professionals suggest children or parents to be able to be in quarantine at home. However, it is not as safe as other methods and mandatory quarantine is a legal procedure.

Answer: Viruses infect cells by entering the cell almost disguising itself as a positive cell or object if you will. Once the virus is inside and the cell absorbs it thinking it is food or something else god knows what, the virus then replicates its DNA into the cell, replacing the RNA and infecting the cell, which then begins to multiply. Good Luck!

Explanation:

Final answer:

Viruses attach to specific receptors on host cells, inject their genetic material, replicate using the host's cellular machinery, and then release new viral particles, often destroying the host cell in the process.

Explanation:

Viruses are obligate, intracellular parasites that require a living host cell to replicate. They initiate infection by recognizing and attaching to cell-surface receptors on a permissive host cell, a process dictated by a molecular match between the virus and the viral receptor. After attachment, the virus enters the host cell, uncoats, and releases its genetic material, hijacking the cell's machinery to copy its genome and produce viral proteins. The new virus particles are then assembled and released, often killing the host cell through lysis or apoptosis. This infection process can cause cell damage and elicit an immune response from the host organism.

Host cell specificity is a hallmark of viral infections. For example, the influenza virus infects cells of the respiratory system due to the presence of specific receptors that the virus can bind to. Viral infection and replication depend on the cell's ability to produce necessary substances for the virus, and immune responses also play a role in determining which cells a virus may target.

Answer:

Advances in the study of phylogeny led to a classification system based on evolutionary relationships. This new system is based on  the concept of a clade which contains a single common ancestor that all species within that clade descended from.

Explanation:

After Darwin's evolutionary studies, the scientists looked for a way to classify organisms on the basis of phylogeny. A phylogeny depicts the relationship between organisms based on the common ancestors that they might have. A phylogeny can be shown in a diagram like a cladogram. This diagram shows branches known as clade for each particular organism that might have evolved from a particular common ancestor.

Answer:

Covalent is stronger because the 2 atoms involve share 2 or more outer shell electrons. Covalent bonds hold all of your biomolecules together. Ionic bonds are formed when a valence outer shell electron is transferred from one atom to another - a much weaker interaction.

Explanation:

Hope this helps

Answer:

An atom that shares one or more of its electrons will complete its outer shell. Covalent bonds are strong - a lot of energy is needed to break them. ... Both nuclei are strongly attracted to the shared pair of electrons in the covalent bond, so covalent bonds are very strong and require a lot of energy to break.

Answer: arteries carry oxygenated blood away from the heart to the body. Veins carry oxygen-poor blood back from the body to the heart.

Final answer:

Arteries carry blood away from the heart with thick walls for high pressure, while veins carry blood toward the heart with thinner walls and often have valves to prevent backflow.

Explanation:

Differences Between Veins and Arteries:

The main difference between veins and arteries is the direction in which they carry blood relative to the heart. Arteries carry blood away from the heart, and they have thicker walls and smaller lumens to withstand the high pressure of the blood being pumped by the heart. In contrast, veins carry blood toward the heart, have thinner walls, and larger and irregular lumens, which is suited to their low-pressure blood flow. While both vessels have three distinct layers, veins often have valves to prevent backflow as the blood travels back to the heart.

Under a microscope, the differences in structure are also evident. The lumen and tunica intima of a vein appear smooth, while arteries appear wavy due to the contraction of smooth muscle in their walls. Capillaries, while not as frequently discussed, serve to connect arteries and veins and facilitate the exchange of oxygen, carbon dioxide, and other substances between blood and tissues.

A

The total CO2 released by a person is known as carbon footprint.

Explanation:

It is used to categorize the amount of carbon dioxide (and other greenhouse gases) that every human - due to human activities such as driving - are emitting into the atmosphere. It is equivalent to per capita carbon emission. The carbon footprint per person in the US, for example, is 16 tonnes which is also interpreted as the average production of carbon dioxide per person.

Countries are putting measures to curb increasing carbon footprints by enacting policies like a carbon tax and incentives towards renewable energy sources. This is in an effort to reduce global warming.

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Answer:

The total CO2 released by a person

Explanation:

The correct option is option 1.

Green spaces in cities mitigate the effects of pollution and can reduce a phenomenon known as the urban heat island effect, which refers to heat trapped in built-up areas. The urban heat island effect appears in towns and cities as a result of human activity.

Green spaces have a number of positive impacts on the urban environment which help human health, including reducing noise, providing shade and cooling, and reducing both the likelihood of flooding and air pollution.

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Answer:

C. A chain of amino acids

Explanation:

Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. There are 20 different types of amino acids that can be combined to make a protein. ... These proteins bind and carry atoms and small molecules within cells and throughout the body.

Answer:

Explanation:

Helium is an element with an atomic number of 2 which means that it has 2 protons in its core. So if any atom has 2 protons in its core, they it's helium no matter what.

On the periodic table of elements which I have attached in the image provided, the whole numbers in the tile tell you the number of protons. So helium  is a noble gas which is found in the top right of the periodic table and I have drawn an arrow the atomic number which is the number of protons.

Helium has two protons in its nucleus, which define it as the element helium. The most common isotope of helium, ⁴He, has two neutrons in addition to the two protons.

The number of protons in an atom defines the identity of an element, and for helium (He), this number is two. Therefore, helium has two protons in its nucleus. Helium is also known for its isotopes.

For instance, the most common helium isotope has two neutrons along with the two protons which is represented as ⁴He, due to its mass number being 4 atomic mass units (2 amu from protons and 2 amu from neutrons).

However, there are also other helium isotopes, such as ³He, which have a different number of neutrons, but the number of protons remains the same at two. This defines the element as helium regardless of its isotope.

Answer:

"Levers" kind of simple machine is the shin bone in your leg.

Explanation:

The simple machine comprised of a rigid beam or rod centralized at a fulcrum which is also considered as fixed hinge is known as "Levers". The shin forming bone is tibia attached to thigh muscles named as quadriceps, tibia is larger than two lower leg bones, also responsible for carrying the weight of body but possible from support of fibula.

The frame called as skeleton around which human body has been built. Muscles are attached to this frame and responsible for generating movement by shortening and pulling on a bone. Many levers are present in this frame itself. While the class of lever is dependent on the location of the fulcrum, load and force.

Answer:

High dietary protein intakes are known to increase urinary calcium excretion and, if maintained, will result in sustained hypercalciuria. To date, the majority of calcium balance studies in humans have not detected an effect of dietary protein on intestinal calcium absorption or serum parathyroid hormone.

Explanation:

Answer:

As statements are not provided, let's have a look at scientific knowledge generally.

Explanation:

A piece of scientific knowledge will be considered to be true and authentic if it is supported by a number of testable experiments which gave the same supporting result again and again. Experiments performed by such scientists will be viable and will contribute to the current body of scientific knowledge.

On the other hand, scientific knowledge that is not supported by experiments that are correct will not be of much importance.

Answer:

The correct option is C)  It has a four electrons in its valence shell

Explanation:

Carbon has four electrons in its outermost shell due to which it has the ability to form single, double and even triple bonds. Carbon has the ability to form chains, branched chains and even rings due to which it is versatile in nature  and can form different types of organism compounds. Carbon is the main element in the formation of the different organic compounds due to its versatile nature. Carbon is even the element which forms many of the molecules found in space.

The allele  frequency for the dominant allele is 0.68.

C. 0.68

Explanation:

Let,

The Brown dominant allele be BB

The white recessive allele be bb

Frequency of white fur rabbit (bb) = 10/100 = 0.1

Therefore, q2 = 0.1

Frequency of recessive allele, q= √0.1

                                                  q = 0.316

Using Hardy Weinberg equation:

p+q = 1

p = 1-q

p = 1-0.316

p = 0.684

Thus, frequency of dominant allele, p = 0.684

Answer:

Oxygen and nitrogen

Explanation:

Oxygen and nitrogen are very electronegative than any other element in the periodic table hence they have more tendency to attract an electron towards itself

1 is A.) category or column headings

2 is C.) Sort A-Z

Answer: C. A piece of DNA transferred by a bacterium

Explanation:

A plasmid is a small and C. A piece of DNA is transferred by a bacterium.

A plasmid is a small, circular piece of DNA that is separate from the bacterial chromosome. It is found in bacteria and can be transferred between bacteria through a process called conjugation. Plasmids often contain genes that help bacteria survive in different environments or provide resistance to antibiotics. Thus, it is a small, circular piece of DNA found in bacteria and some other microorganisms.

Plasmids are separate from the organism's chromosomal DNA and can replicate independently. They often carry genes that provide various advantages to the host, such as antibiotic resistance or the ability to metabolize specific compounds. Scientists also use plasmids as tools for genetic engineering and recombinant DNA technology.

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Final answer:

The destruction of trees by elephants in southern Africa is a complex issue influenced by elephant overpopulation, their role as ecosystem engineers, and the competition for resources. Behavioural ecology studies, including the creation of an acceptability index, offer insights into the dietary habits of elephants and the reasons behind tree damage. Protection strategies against poaching and habitat loss are also integral to understanding the broader context of elephant conservation efforts.

Explanation:

The problem of elephants destroying trees in southern Africa is often attributed to a combination of factors, primarily overpopulation and competition for resources. Due to conservation efforts, elephant populations have rebounded in many areas, but this success can lead to increased pressure on the environment. As dominant ecosystem engineers, elephants can significantly affect biodiversity and ecosystem processes based on their population density. Moreover, the impact on tree species within protected areas can be assessed by recording the types of damage inflicted on trees, such as broken branches and bark stripping. Understanding why elephants damage trees involves examining their diet and movement patterns through behavioural ecology. By calculating an acceptability index of each tree species (eaten versus available), researchers gain insight into the foraging preferences of elephants, which helps to clarify whether the destruction is due to the preference for certain tree species or if the trees are damaged as byproduct of elephants' movements.

Poaching, habitat loss, and human-elephant conflict also influence the dynamics between elephants, their environment, and local communities. Strategies to protect elephants from poachers, such as establishing national parks and creating ecotourism opportunities, provide varying levels of effectiveness and incentives for conservation efforts, impacting both elephant populations and their habitats.

Answer:

as the human population grows, more people will on be on earth and if those people pollute in the ocean the ocean will get dirtier and unhealthy for the underwater creatures.