Which statement is true about the forelimbs of penguins, alligators, bats, and humans?


They are completely different in both form and function.

They have similar bone structure, implying a common ancestor.

They have different functions but are structurally identical.

They are homologous structures, indicating no evolutionary relationship.

Answer:

true true true true true true true

Answer:

your answer is B: Vitamins

Explanation:

Different concentrations of solutes in a solution affect an organism's cells because of diffusion and osmosis.

Organisms cell is the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body.

Cell has three main parts such as :

Therefore, Different concentrations of solutes in a solution affect an organism's cells because of diffusion and osmosis when the concentration of solute is higher inside of the cell than outside of the cell then water diffuses through the cell membrane into the cell. When the concentration of solute is higher outside of the cell than inside of the cell then water diffuses out of the cell membrane into the extracellular space.

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Answer: its diamond

Explanation:

In biology, autotrophs are organisms that can produce their own food using inorganic substances, such as sunlight and carbon dioxide.

Autotrophs  are also known as primary producers because they form the base of the food chain by converting energy from the environment into organic compounds.

The topic of autotrophs is typically covered in the study of plant biology in the context of a class 7 curriculum.

The most prevalent kind of autotrophs are plants. They do this through a process known as photosynthesis, which turns carbon dioxide, water, and sunlight into glucose (a sugar) and oxygen.

Chloroplasts, specialized organelles found in plant cells, are where this process occurs.

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Answer:

I believe the answer is c)12

Answer:

8 or 9

Explanation:

Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A

Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.

One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.

EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.

Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.

While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.

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Answer:

parallel chain is the answer

Humans are susceptible to a wide range of diseases brought on by germs. Humans frequently contract bacterial illnesses such tetanus, TB, pneumonia, typhoid, and others.

Thus, Pathogenic bacteria are those that infect people and cause various diseases. The body's defense system's ability to produce innate immunity allows us to support the growth of numerous microorganisms.

Disease-causing bacteria can enter body fluids and tissues by outpacing the body's own defense mechanisms. Bacteria can either directly harm cells, release toxins, influence how cells function, or trigger an immunological reaction that harms the cells.

Diseases brought on by bacteria are called bacterial diseases. The human body contains a variety of microbes. Many of these are referred to be "good bacteria" because they don't lead to any diseases.

Thus, Humans are susceptible to a wide range of diseases brought on by germs. Humans frequently contract bacterial illnesses such tetanus, TB, pneumonia, typhoid, and others.

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Answer:

El acero es una mezcla homogénea, sin embargo, está hecho de hierro y carbono. Una sustancia pura es diferente de una mezcla homogénea porque una sustancia pura tiene un solo componente.

Answer:

B. roundworm

Explanation:

Answer: Roundworm

Explanation:

Answer: spores

Explanation: Most fungi reproduce by forming spores that can survive extreme conditions such as cold and lack of water. Both sexual meiotic and asexual mitotic spores may be produced, depending on the species and conditions. Most fungi life cycles consist of both a diploid and a haploid stage.

Answer:

spores

Explanation:

correct on pf

Answer:

The correct answer is - b. it calls for new trees to be planted immediately when others are cut down.

Explanation:

Clear-cutting is a technique for reforestation or regeneration by harvesting trees in which all trees are cleared from a site and another, even-age remain of timber is developed.  

This is the practice of reforesting in which all the trees in a zone are consistently chopped down. It is utilized to make a specific kind of timberland environment and furthermore for advancing select species.

The correct answer is - b. it calls for new trees to be planted immediately when others are cut down.

Answer:

B. it calls for new trees to be planted immediately when others are cut down

Explanation:

Answer:

Explanation:

since both Harry's parents have blue eyes, they both must have two copies of the recessive allele for blue eyes (bb). James Potter is heterozygous (Bb), which means he has one dominant allele for brown eyes (B) and one recessive allele for blue eyes (b).

We can represent the genotypes of Harry's parents as follows:

Lily Potter: bb

James Potter: Bb

To determine the probability of Harry inheriting blue eyes, we can use a Punnett square:

       B      b

b Bb bb

b Bb bb

From the Punnett square, we can see that there is a 50% chance that Harry will inherit the recessive b allele from each of his parents. Therefore, the probability of Harry having blue eyes is 0.5 x 0.5 = 0.25 or 25%.

So, the probability of Harry having blue eyes is 25%.

Answer:

most babies are born at 8 -8.5 pounds

Answer:

Cold blooded Animals

Explanation:

Cold-Blooded Animals

Cold-blooded animals cannot control their own body temperatures. They adapt to the temperature of their surroundings. When it's very cold outside, their body temperature decreases.

The most likely explanation for the decrease in the density of gas particles in a section of Earth's atmosphere is that the air pressure in that section of the atmosphere decreased.

Density is defined as mass per unit volume. In the case of a gas, density is directly related to the number of gas particles (molecules or atoms) present in a given volume. When the air pressure decreases, it means that there are fewer gas particles exerting force per unit area. As a result, the density of gas particles in that section of the atmosphere decreases.

Air pressure is the force exerted by the gas particles on the walls of the container or the surroundings. It is influenced by several factors, including temperature, altitude, and the presence of other gases. Changes in these factors can cause fluctuations in air pressure. For example, if there is a decrease in temperature, the gas particles lose kinetic energy, which leads to decreased pressure and density.

It is important to note that the total number of gas particles in Earth's atmosphere does not necessarily change significantly over short periods of time. The atmosphere is composed of a vast number of gas molecules, and while there may be variations due to natural processes, such as volcanic eruptions or biological activities, these changes are relatively small compared to the overall composition of the atmosphere.

Therefore, the most likely explanation for the decrease in density of gas particles in a section of Earth's atmosphere is a decrease in air pressure, which can occur due to various factors such as weather systems, changes in altitude, or movement of air masses.

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Answer:

I think its c include a control in the system that varies the input level in a regular cycle.

Explanation:

Answer:

I think its D

Explanation:

Im sorry if you get it wrong, I think d is the answer

Answer:

Elderly people need a lot of protein but less energy and a pregnant woman need both nutrition enough to cell function and tissue formation of the embryo and more equal does the the 2 year old baby need both the nutrition.

The term Sociable and Outgoing is option C: Synonyms

People with sociable features have traits that support healthy interpersonal interactions. Many people naturally exhibit sociable qualities like an upbeat and cheerful attitude, self-control, adaptability, integrity, and teamwork.

A few typical definitions of social include amiable, cordial, friendly, and gracious. While all of these phrases refer to anything that is "markedly pleasant and easy in social contact," the adjective "sociable" denotes a sincere desire for other people's company.

Note that a person who actively engages in social interaction and looks for opportunities to mingle is referred to be outgoing. Extroverted is a similar term. Social, sociable, or gregarious are common adjectives used to characterize outgoing people. The two words above are close in meaning.

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The answer that provides both a positive impact and a negative impact associated with the effects of nitrogen- and phosphorus-enhanced fertilizers is A. Increased algal blooms and damage to drinking water.

The use of nitrogen- and phosphorus-enhanced fertilizers can lead to increased algal blooms.

When excess nutrients, such as nitrogen and phosphorus, enter bodies of water through runoff or leaching, they can promote the rapid growth of algae. This excessive algal growth, known as an algal bloom, can have negative consequences.

The algal blooms can deplete oxygen levels in the water as the algae decompose, leading to a condition called hypoxia or dead zones. This can harm aquatic organisms, including fish and other marine life, by suffocating them.

Additionally, the excess nutrients from fertilizers can also contaminate drinking water sources.

When runoff carries nitrogen and phosphorus into lakes, rivers, or groundwater, it can lead to eutrophication, causing an overgrowth of algae and potentially harmful bacteria.

These contaminants can affect the quality of drinking water, making it unsafe for consumption without extensive treatment.

Therefore, option A encompasses both the positive impact of increased plant growth due to enhanced fertilizers and the negative impact of algal blooms and damage to drinking water. Therefore, the correct answer is A.

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Answer:

23

Explanation:

Nice edge 40r0

Based on the provided information, it is not possible to determine whether the prescription can be billed to Medicare Part B or not.

Medicare Part B is a component of the United States government's Medicare program, which provides medical insurance coverage to eligible individuals. Part B primarily covers outpatient services, including doctor visits, medical supplies, and certain prescription medications. However, not all prescriptions are automatically covered under Medicare Part B.

To determine whether a specific prescription can be billed to Medicare Part B, several factors come into play. These include the coverage policies and guidelines set by Medicare, which outline the specific criteria for reimbursement. Medicare Part B generally covers medications that are deemed medically necessary for the treatment of a condition or illness.

The decision to bill a prescription to Medicare Part B depends on various factors such as the specific coverage policies and guidelines set by Medicare, the medical necessity of the prescribed item, and the individual's eligibility for Part B benefits.

Therefore, it is not possible to bill this prescription to Medicare Part B.

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Answer:

place the card on a flat dry surface

Answer:no

Explanation:

Answer:

In other words, the platypus has no stomach. The stomach, defined as an acid-producing part of the gut, first evolved around 450 million years ago, and it's unique to back-boned animals (vertebrates).

Explanation:

The genotype of the parent plants in this cross is HhEe.

Based on the given information, we can determine the genotypes of the parent plants by examining the phenotypes of their offspring.

Let's denote the high oil content allele as H and the low oil content allele as h. Similarly, let's denote the four seeds allele as E and the two seeds allele as e.

The given parent plants have the following phenotypes:

- High oil / four seeds (unknown genotype)

- High oil / two seeds (unknown genotype)

- Low oil / four seeds (unknown genotype)

- Low oil / two seeds (unknown genotype)

From this information, we can deduce the possible genotypes of the parent plants by analyzing the inheritance patterns observed in their offspring.

If we cross two plants with the genotype HhEe (High oil / four seeds), we would expect the following ratios in their offspring:

- High oil / four seeds: 9/16

- High oil / two seeds: 3/16

- Low oil / four seeds: 3/16

- Low oil / two seeds: 1/16

Since the observed ratio matches the given phenotypes of the parent plants, it is likely that both parent plants have the genotype HhEe (High oil / four seeds).

Therefore, the genotype of the parent plants in this cross is HhEe.

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There are 5 animal kingdoms and each one harbors different types of organisms:

- Animalia: Houses eukaryotic multicellular organisms such as krill or penguins

- Plantae: It harbors photosynthetic organisms such as plants or photosynthetic plankton

- Fungi: It harbors fungi, such as yeasts

- Protista: Includes eukaryotes that do not fall into the other 3 groups (animalia, plantae and fungi) such as zooplankton

- Monera: Includes prokaryotic organisms

Because the monera Kingdom is not included among the options, the answer is Fungi