The first scientist to describe living cells as seen through a simple microscope

Both hearing and balance are functions of the inner ear, but different inner ear structures have unique roles in each.

The cochlea is the part of the body that is primarily in charge of hearing. The cochlea is a spiral-shaped, fluid-filled organ with hair cells, which are specialized sensory cells. When sound waves enter the inner ear, they force the cochlea's fluid to shift, stimulating the hair cells. These hair cells transform the sound waves' mechanical energy into electrical signals, which are ultimately sent to the brain via the auditory nerve. The brain perceives these signals as sound after processing them.

The vestibular system, which is made up of a number of related parts inside the inner ear, is the structure in charge of balance, on the other hand. It has three semicircular canals as well as the vestibule. The utricle and saccule, two tiny sacs found in the vestibule, are in charge of sensing changes in linear acceleration and head position with regard to gravity. In order to detect rotational motions of the head in various planes, the three semicircular canals are positioned perpendicular to one another. These motions are picked up by the vestibular system, which then transmits signals to the brain that aid in maintaining balance, coordinating eye movements, and enhancing spatial orientation.

Hence, hearing is controlled by the cochlea, whereas the vestibular system, which includes the vestibule and semicircular canals, controls balance.

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Final answer:

Scientific explanations are based on empirical evidence, are testable and refutable, and can form falsifiable theories. Nonscientific explanations often rely on beliefs or untestable claims, such as supernatural elements. The scientific method requires hypotheses to be tested and potentially transformed into solid scientific theories.

Explanation:

A scientific explanation differs from a nonscientific explanation in several key ways. Scientific explanations must be based on empirical evidence, they must be testable and refutable through scientific investigation, and they generally follow a logical structure that can produce precise and consistent predictions. In contrast, nonscientific explanations may rely on personal beliefs, untestable claims, or supernatural elements that cannot be empirically examined or are not subject to falsification.

For instance, the scientific method requires forming hypotheses that explain observed phenomena logically and consistently. A hypothesis is a proposed explanation for an observation, which can be tested through experimentation and additional research. Over time, repeatedly tested and confirmed hypotheses may develop into scientific theories, which represent the most robust form of scientific knowledge, such as the germ theory of disease. These theories must still be falsifiable to remain scientifically valid.

In comparison, explanations that invoke supernatural causes or are based on anecdotal evidence can't be tested using scientific methods. For example, when examining a phenomenon like broken bones in an ancient population, a scientist would consider natural explanations such as diet or lifestyle, rather than supernatural causes, because these can be tested and have the potential to be refuted.

Answer:

from few monomers to thousands of monomers

Explanation:

Polysaccharides are carbohydrates called the polymers that are made up of monomers called the Monosaccharides. Monosaccharides are sugars. Commonly monomer units that are found in polysaccharides are glucose, mannose, fructose,  and galactose which are simple sugars.

Most carbohydrates in nature exists as polymers, rather than monomers. Polysaccharides are polymers consisting of ten or more simple sugar units. They are composed of thousands or hundreds of thousands of simple sugars bonded together.

Polysaccharides are made up of several monomers to a thousand monomers of monosaccharides.

Keywords; carbohydrates, classification of carbohydrates, simple sugars, monosaccharides, disaccharides, polysacharides.

Level; High school

Subject: Biology

Topic: Bio-molecules of life

Sub-topic: Carbohydrates

its a( parasitism) hope this help

The organism Quercus phellos is a member of the genus Quercus and the kingdom Plantae.

Quercus phellos is the scientific name of a tree commonly known as the Willow Oak. It belongs to the genus Quercus, which is a group of plants commonly known as oaks. Therefore, the organism Quercus phellos is a member of the genus Quercus and the kingdom Plantae.

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Somebody once told me the world is gonna roll me
I ain't the sharpest tool in the shed
She was looking kind of dumb with her finger and her thumb
In the shape of an "L" on her forehead

Well the years start coming and they don't stop coming
Fed to the rules and I hit the ground running
Didn't make sense not to live for fun
Your brain gets smart but your head gets dumb
So much to do, so much to see
So what's wrong with taking the back streets?
You'll never know if you don't go
You'll never shine if you don't glow

Hey now, you're an all-star, get your game on, go play
Hey now, you're a rock star, get the show on, get paid
And all that glitters is gold
Only shooting stars break the mold

It's a cool place and they say it gets colder
You're bundled up now, wait till you get older
But the meteor men beg to differ
Judging by the hole in the satellite picture
The ice we skate is getting pretty thin
The water's getting warm so you might as well swim
My world's on fire, how about yours?
That's the way I like it and I never get bored

Hey now, you're an all-star, get your game on, go play
Hey now, you're a rock star, get the show on, get paid
All that glitters is gold
Only shooting stars break the mold

Hey now, you're an all-star, get your game on, go play
Hey now, you're a rock star, get the show, on get paid
And all that glitters is gold
Only shooting stars

Somebody once asked could I spare some change for gas?
I need to get myself away from this place
I said yep what a concept
I could use a little fuel myself
And we could all use a little change

Well, the years start coming and they don't stop coming
Fed to the rules and I hit the ground running
Didn't make sense not to live for fun
Your brain gets smart but your head gets dumb
So much to do, so much to see
So what's wrong with taking the back streets?
You'll never know if you don't go (go!)
You'll never shine if you don't glow

Hey now, you're an all-star, get your game on, go play
Hey now, you're a rock star, get the show on, get paid
And all that glitters is gold
Only shooting stars break the mold

And all that glitters is gold
Only shooting stars break the mold

Sutures are the type of fibrous joints that are immobile and found only between certain bones of the skull. They provide a tight union between skull bones, effectively protecting the brain.

The type of fibrous joints that are immobile and found only between certain bones of the skull are called sutures. Sutures are fibrous joints with short fibres of connective tissue that hold the skull bones tightly in place. This type of joint is an example of synarthrosis, an immobile or essentially immobile joint. Unlike other types of fibrous joints, such as syndesmoses (found between the shaft regions of the long bones in the forearm and leg) and gomphoses (found between the roots of a tooth and the bony socket in the jaw), sutures are immovable and provide a tight union between skull bones, protecting the brain.

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The thrifty gene theory suggests that some people have a gene (or genes) that causes them to be more efficient at storing energy as fat.

This genetic predisposition is believed to have evolved in response to periods of food scarcity and famine faced by our ancestors.

Individuals with this gene were better able to survive and reproduce during times of limited food availability by storing excess energy as fat.

However, in modern societies with easy access to calorie-rich foods, this genetic advantage has become a risk factor for obesity and related health issues.

The thrifty gene theory offers insights into the complex interplay between genetics, environment, and the current obesity epidemic.

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The small gaps in the myelin sheath in the spinal cord are termed as Nodes of Ranvier. They are crucial for the speed of signal transmissions, allowing signals to hop from node to node.

In the spinal cord, the small gaps existing in the myelin sheath among adjacent glial cells are termed as Nodes of Ranvier. These nodes have a vital role in promoting the speed of signal transmissions by enabling signals to hop from one node to the next rather than traversing the whole length of the axon, a process known as saltatory conduction. Therefore, the Nodes of Ranvier facilitate rapid and efficient neuronal communication. For instance, in a typical neuron, an action potential leaps across many nodes from the cell body towards the axon terminal, effectively speeding up the signal’s journey along the axon.

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Answer:

Using submersible would be the best method that allow him to overcome the limitation like pressure in studying organism in the deep sea.

A submersible is a small vessel made up of high-quality metal made for underwater research that can bear the high pressure of deep sea. Submersibles are different from submarines because submarine is used mainly for defense purpose by navy.

Submersibles can be both unmanned and manned. In manned submersible, it has a glass window through which scientists can observe the deep-sea creatures and a light source which enlightens the dark area in the deep sea.

Unmanned submersibles are remotely controlled and have fitted cameras that provide information to the scientist so they are called remotely operated vehicles(ROVs).

A protein may consist of as many as _____ amino acid molecules.

5,000

The correct answer is B) springs.

A place on the Earth’s surface where water appears at on its own is called a spring.  After rain or from snow water seeps into the ground. The water which seeps into the ground is collected in fractures and fissures in the bedrock. Water in the bedrock collected into the aquifers. When a fissure in the bedrock breaks the surface, the natural high water pressure under ground forces water above the earth surface and forms spring.

Explanation:

Carbon is the most common element found in almost all the things or materials.

For example, Diamond is an allotrope of carbon, wood also contains carbon atoms, plastic also consists of carbon atoms etc.

Carbon has the ability to form four bonds with different atoms. This property of carbon makes it so divine that it is the basic building block of number of living molecules and other atoms.

Hence, we can conclude that carbon is the element which is common in ice cream, lettuce, baby oil, perfume, pencil, wood, diamonds, and plastic.

In a bacterium, DNA is found in the nucleoid. The nucleoid is a region within the bacterial cell where the genetic material, which is a single circular chromosome, is localized.

Unlike eukaryotic cells, bacteria lack a true nucleus, so the DNA in a bacterium is not enclosed within a membrane-bound organelle. Instead, it is loosely organized in the nucleoid region, located in the cytoplasm of the bacterial cell. The nucleoid contains not only the main chromosomal DNA but also various proteins that help in the organization and regulation of genetic material.

In addition to the nucleoid, bacteria may also contain smaller, circular pieces of DNA called plasmids. Plasmids are separate from the main chromosome and can carry genes that provide the bacterium with additional functionalities, such as antibiotic resistance or the ability to produce certain toxins.

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Travel outside the nucleus

Final answer:

Biomagnification is the term for toxic materials accumulating in animals and increasing in concentration up the food chain, impacting apex predators and potentially causing significant ecological harm.

Explanation:

The process by which toxic materials build up in the bodies of animals and become more concentrated at each level of the food chain is called biomagnification. This happens with toxins that are persistent in the environment and are poorly degradable and lipid-soluble, such that they accumulate in the fatty tissues of organisms. As an example, consider the case of DDT, a pesticide which exemplified the consequences of biomagnification, leading to detrimental effects on apex predators like the bald eagle, by causing their eggshells to become fragile and threatening their populations.

Answer:

The youth risk behaviors will exhibit some of the negative impacts on adolescents. Like emotionally, it will result in fear, guilt, shock, worry, or depression. Physically one will feel dizzy, difficulty in sleeping, pain in stomach, and others.  

Socially one will try to get separated from the external world, would keep a distance from other people, and would find it tough to believe in others. Economically, one may need to take hospital treatment, psychology counseling care, and others.  

Therefore, it is essential to take some of the precautions like switching towards more positive works by taking support from the parents, and creating a good surrounding for teens, both at home and school.  

The youth risk behavior like drinking, smoking, diet, usage of drugs, and other cavities take place in adolescents, which are still in the stage of development. Thus, it is inconceivable that pregnancy, injuries, or accidents can take place to them.  

The term being described above is puberty for this is the stage where an individual is in the stage of becoming an adult and allows changes in their physical appearance, making it more mature and fully developed. It does not allow only physical change but it also allows reproductive organs to develop, having females to reproduce.

Puberty is defined as the period of life in which the power to reproduce beginnings in females, it is the duration when the female reproductive organs are completely developed.

Puberty is the process of bodily differences via which a child's body grows into an adult body competent for sensual reproduction.

It is created by hormonal communications from the brain to the lovemaking gland of the ovaries in a girl, the testes in a boy.

The term is described above is puberty, for this is the set where someone is in the stage of becoming an adult and allows differences in their physical formation, making it more casual and fully developed.

It does not permit only physical change, but it also permits fertile organs to develop, having females reproduce.

Therefore, the term used in the above case is puberty.

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Answer:

Ground water

Explanation:

Karst topography is formed when the underground water breaks down the bedrock into soluble rocks. Hence, the bedrock of Karst topography is made of soluble rocks such as limestone. There is no surface water and topsoil in this topography and hence, the water from rains become part of the groundwater.

Karst topography is formed by the actions of water-dissolving soluble rock, such as limestone or dolomite. This creates pathways and caverns, leading to the formation of sinkholes, caves, and underground rivers.

Karst topography is formed by the actions of water dissolving soluble rock such as limestone or dolomite. As water percolates through the ground, it chemically reacts with the rock, creating pathways and caverns. Over time, these pathways and caverns grow larger, leading to the formation of sinkholes, caves, and underground rivers.

This process is known as karstification. Some examples of karst landscapes include the caves in Kentucky's Mammoth Cave National Park and the limestone hills in the Yucatan Peninsula of Mexico. The type of rocks that once existed in these  locations are limestone and dolomite whereas the pH of the nearby groundwater is slightly acidic which is responsible for the formation of caves

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