T/F: The ear is responsible for special senses

Answer:

Round

Explanation:

The Earth is round ,even though there are many contradictions. The Earth spins on an axis, which is why there are different time zones all around the world. If the world was flat, then an Earth's core wouldn't exist and also the laws of gravity would not make since due to the Earth being considered flat. People would never know if they met the end of the Earth, or if they walked off the face of the Earth. Also note that if the Earth was flat then our Solar System would have to be flat since it involves the planets to revolve around the Sun.

Answer:

The Earth is technically an ellipsoid.

Explanation:

While the Earth appears to be round when viewed from the vantage point of space, it is actually closer to an ellipsoid. However, even an ellipsoid does not adequately describe the Earth’s unique and ever-changing shape.("Is the Earth round?") If the Earth were flat, then many of the things we know and love today would be gone. The tides, the moon, the atmosphere, etc.

Answer:

Always cover the microscope with the supplied dust cover when not in use.

Store in a dry place.

In humid or moist environments, it is advisable to store the microscope in a waterproof container with a drying agent.

Do not touch the optical lens with bare fingers.

Do not store the microscope in direct sunlight.

Explanation:

Final answer:

A microscope should be stored properly when not in use to ensure its longevity and prevent damage. Follow these steps: switch off the microscope, clean the lenses, wrap the cord and cover it, and store it in a safe place.

Explanation:

When not in use, a microscope should be stored properly to ensure its longevity and prevent damage. Here are the steps to follow:

Answer:

the cycle of night and day

hope this helps :p

Explanation:

Answer:

it is d

Explanation:

beacuse the earth is rotating on its axis so the face that's toward the sun is day because its closer to the sun

Answer:

D. Proportional to

Explanation:

Study island

Answer:

proportional to

Explanation:

An object's weight depends directly on its mass. The greater its mass is, the greater its weight will be. In other words, an object's mass is proportional to its weight.

Answer:

Explanation:

Mendel believed that all units of inheritance are passed on to offspring unchanged. Unstable alleles are an important exception to this rule. The phenotype of an individual is not only the result of inheriting a particular set of parental genes.

Answer:

Mendel believed that all units of inheritance are passed on to offspring unchanged. Unstable alleles are an important exception to this rule. The phenotype of an individual is not only the result of inheriting a particular set of parental genes.

Explanation:

Answer:

The structures that helps the plant ensure that it’s pollen is moved to other plants of the same species and that sexual reproduction will happen is the bright colored petals and sterility of carpel.

Bright colors of petals attracts the insects like bees, which helps the plant to transfer its pollen to other flower of the same species. In some plants, pollen matures earlier than its own stigma so the pollen transfer to other flowers.

Answer:

Atoms are the building blocks of elements which means elements made up from large number of atoms having similar size and shape. Compound is made of more than one element which combines in a fixed ratio. The elements inside the compound makes bond with each other. Molecules is also made up of more than one elements. The main difference between molecule and compound is that molecules is formed from same elements while compound is formed from different types of elements.

Diffusion is the net movement of anything (for example, atom, ions, molecules) from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration.

The concept of diffusion is widely used in many fields, including physics (particle diffusion), chemistry, biology, sociology, economics, and finance (diffusion of people, ideas, and price values). The central idea of diffusion, however, is common to all of these: an object (for example, atom, idea, etc.) undergoing diffusion spreads out from a point or location at which there is a higher concentration of that object.

A gradient is the change in the value of a quantity, for example, concentration, pressure, or temperature with the change in another variable, usually distance. A change in concentration over a distance is called a concentration gradient, a change in pressure over a distance is called a pressure gradient, and a change in temperature over a distance is called a temperature gradient.

The word diffusion derives from the Latin word, diffundere, which means "to spread out."

A distinguishing feature of diffusion is that it depends on particle random walk, and results in mixing or mass transport without requiring directed bulk motion. Bulk motion, or bulk flow, is the characteristic of advection.[1] The term convection is used to describe the combination of both transport phenomena.

If a diffusion process can be described by Fick's laws, it's called a normal diffusion (or Fickian diffusion); Otherwise, it's called an anomalous diffusion (or non-Fickian diffusion).

The chemical that caused the decline of the eagle population is dichloro-diphenyl-trichloroethane

Most biologists now agree that DDT (or dichloro-diphenyl-trichloroethane) contributed to the fall of bald eagle and other bird-of-prey species (such as ospreys and brown pelicans). In agriculture, dichlorodiphenyltrichloroethane, or DDT, is an insecticide. In 1972, the United States outlawed the use of DDT. DDT is still used in several non-US nations to control malaria-transmitting mosquitoes.

The first action taken by the new EPA was to outlaw DDT because of worries about potential health risks to humans as well as environmental damage. Additionally, data connected DDT to dramatic drops in bald eagle populations as a result of thinner eggshells.

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The correctly labelled anatomical parts of osseous tissue are mentioned below.

Osseous tissue, also known as bone tissue, is a type of connective tissue that forms the skeletal system of the body. It is a hard and rigid tissue that provides structural support and protection to the body's internal organs, as well as serving as a site for muscle attachment and bone marrow production.

Numbering is from top to bottom in the blank boxes:

1- Spicules: Tiny, bony projections that resemble needles that are frequently seen in spongy bone.

2- Trabeculae: In spongy bone, these tiny bony plates or struts, which provide bone its structural support, are present.

3- Spongy bone: It has a spongy appearance, which are characterized by trabaculae and spicules.

4- Central canal: It is a tiny canal that is found at the center of the bone

5- Lacuna: These are the spaces in the bone tissue.

6- Collagen fibers: These provide strength and elasticity to the bone.

7- Nerve (right box): It is responsible for transmitting electrical signals.

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The question is incomplete, but most probably the complete question is,

Correctly label the following anatomical parts of osseous tissue.

Osseous tissue is connective tissue in the skeleton that includes long, short, flat, and irregular bones. Compact bone, with osteons, forms the outer layer, while spongy bone features trabeculae within.

Osseous tissue, also known as bone tissue, is a type of connective tissue that comprises specialized cells, mineral salts, and collagen fibers. It provides structural support and protection to the body. The human skeleton includes various types of bones such as long bones, short bones, flat bones, and irregular bones. Compact bone tissue, made up of osteons, forms the dense external layer of bones, whereas spongy bone tissue consists of a web-like structure called trabeculae and is found inside the bones.

To correctly label the anatomical parts of osseous tissue, one might start by obtaining a cross-section of a bone, such as the femur, either intact or cut along its longitudinal axis. Key structures to identify and label could include osteons, the central canal, lamellae, and osteocytes in lacunae. Additionally, for the human skeleton, it’s critical to distinguish between the axial skeleton, which includes the skull, vertebral column, and rib cage, and the appendicular skeleton, which comprises the limbs and girdles.

Answer:

Very true

Explanation:

Final answer:

True, deserts are described as arid due to their low humidity caused by high evaporation that exceeds scant precipitation. Deserts experience less than 25 centimeters of annual rainfall, leading to dry conditions with high potential evapotranspiration and a low moisture index.

Explanation:

The statement that the humidity of a desert is most likely described as arid is true. Deserts are characterized by a climate where evaporation typically exceeds precipitation, resulting in very low humidity. Deserts are dry areas where the annual rainfall is less than 25 centimeters (10 inches) per year, and often the precipitation is variable and seasonal. In particular, tropical deserts are the driest places, due to the influence of subtropical high pressure and continentality, with humidity levels that can drop to 10% or less.

Regarding the question about potential evapotranspiration and moisture index in deserts, the correct answer is B. high; low. Deserts generally have high potential evapotranspiration because the hot temperatures contribute to rapid evaporation and transpiration. However, the moisture index is low due to the extremely scant rainfall that deserts receive.

Answer:pH and poh

Explanation:

Final answer:

The pH scale measures acidity and alkalinity, ranging from 0 to 14, with neutral at 7. It's crucial for understanding enzymatic activity, as changes in pH can alter enzyme function or cause denaturation.

Explanation:

The scale that measures the acidity and alkalinity of a solution is known as the pH scale. This scale ranges from 0 to 14, with values below 7 indicating an acidic solution, values above 7 indicating a basic or alkaline solution, and a value of 7 indicating a neutral solution, like pure water. The pH scale is a critical tool in biochemistry as it helps understand how enzymatic activity can be influenced by the chemical environment, particularly by the concentration of hydrogen ions (H+). A change in pH can affect the ionization of amino acid side groups within the enzyme and its substrate, which can significantly alter the enzyme's function or even result in denaturation, which means the enzyme loses its structure and, consequently, its activity.

Answer:

virtual

Explanation:

Answer:

Virtual

Explanation:

I took the test

Answer:

Solar energy is converted to chemical energy in the chemical bonds of the glucose molecule.

Explanation:

Answer:

A

Explanation:

Answer: A). Alveoli

Explanation: Alveoli are important part of the respiratory system. They are tiny air sacs located at the end of the bronchioles in the lungs which functions in the exchange of oxygen and carbon dioxide. Alveoli is the plural of alveolus, and they are sites for the exchange of oxygen and carbon dioxide in the lungs. Deoxygenated blood is transported from the heart to the alveoli in the lungs through the pulmonary artery where carbon dioxide is unloaded from the red blood cells and oxygenated is loaded. The blood leaving the lungs becomes oxygenated and are transported to other parts of the body. Alveoli functions in getting oxygen into the blood stream and removing carbon dioxide from the blood stream.

Spinning the model Earth results in different parts experiencing day and night, just like the real Earth. The rotation of Earth on its axis causes this alternation of daylight and darkness. Earth's tilt is vital for the seasons; without it, there would be no significant seasonal changes.

If the model Earth is spun, the result would be that some parts of the model Earth will have daytime and some will have night, which corresponds to option D. This is because the Earth rotates on its axis, which means that as it turns, different parts of the Earth's surface move into and out of sunlight. Since the model is acting the same as the real Earth, the side facing the light source (simulating the sun) will experience daytime, while the side opposite to the light source will be in shadow and experience night.

The presence of day and night is due to the 24-hour rotation of the Earth on its axis. This rotation alternately exposes one side to sunlight while the other side faces away and is in darkness. Therefore, a complete turn of the model Earth will simulate the alternation of day and night just as it occurs on our planet.

About the seasons and Earth's tilt, if the Earth's axis were not tilted, seasons as we know them would not exist. The 23.5° tilt is responsible for the seasonal changes. Without the tilt, the entire Earth would experience approximately equal day and night throughout the year, similar to equatorial regions. There would be no significant seasonal variation in temperature or daylight hours, and the concept of summer, autumn, winter, and spring would not apply.

Final answer:

When spinning a model Earth, some parts will have daytime while others will have night, reflecting the rotation of the real Earth. This rotation causes the daily cycle of day and night, and the tilt of Earth's axis leads to the changing seasons.

Explanation:

When a student spins a model Earth to simulate the rotation of the real Earth, different parts of the model Earth will experience daylight or nighttime, just as they do on our planet. This is because Earth rotates on its axis every 24 hours, causing different regions to alternately face towards and away from the Sun. This rotation is responsible for the cycle of day and night. So, for a model Earth acting the same as the real Earth, the correct answer is:

D. Some parts of the model Earth will have daytime and some will have night.

The idea of seasons on Earth occurs due to the 23.5° tilt of Earth's axis. This tilt results in varying angles of sunlight and daylight durations during different times of the year, causing seasons. If Earth's axis were not tilted, we would not experience the pronounced seasonal changes that are currently present at different latitudes.

Answer:

Water, during the light-dependent reactions.

Explanation:

During the light-dependent reactions, a photon (particle of energy) from the Sun strikes the pigment molecules in Photosystem I in the thylakoids of chloroplasts. The pigment molecules pass the energy around until it strikes a pair of electrons located where Chlorophyl A is. One electron is "bounced" to the primary electron acceptor. But now it's gone. What replaces it?

The answer is in water. However, water not only provides replacement electrons; it also provides oxygen. When two oxygen atoms accumulate, they are released as a pair. Thus the answer is water. Hope u found this helpful! :)

Oxygen liberated during photosynthesis comes from the photolysis of water molecules.

The oxygen liberated during photosynthesis comes from water molecules (H2O) during a process called photolysis.

Light-dependent Reactions: Photosynthesis consists of two main stages: the light-dependent reactions and the light-independent reactions (Calvin cycle). The liberation of oxygen occurs during the light-dependent reactions, which take place in the thylakoid membranes of chloroplasts.

Photolysis: In the light-dependent reactions, light energy is absorbed by chlorophyll and other pigments. This energy is used to split water molecules (H2O) into oxygen (O2), protons (H+ ions), and electrons (e^-).

Oxygen Release: The oxygen atoms from the water molecules are released as molecular oxygen (O2) into the atmosphere. This is the oxygen that we breathe, and it is a byproduct of photosynthesis.

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Answer: C: A chain of amino acids

Explanation:

The statement which best describes a protein is that it's a chain of amino acids.

In Science, a protein can be defined as a hydrophilic, macromolecule (polymer) which is typically formed due to the union of a chain of amino acids.

This ultimately implies that, the statement which best describes a protein is that it's a chain of amino acids, and it consist of the following chemical compounds:

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In terms of biodiversity, islands are special locations that contain a range of creatures and ecosystems for both native and endangered biodiversity. Endemism is typical of many islands. Thus islands are regarded as hot spots for biodiversity from a regional biodiversity viewpoint. In a collective portion of a basic land ecosystem it is much simpler to conserve species diversity than by shielding only one region of an archipelago.

Since every island has a specific variety of plants and animals, it is important that conservationists preserve the entire island chain. Thus allow the sources of food to differ from island to island in an archipelago. The type of producer originated in an island and then the type of consumers consuming it differ from island to island due to huge variety of and different adaptations of organisms.

Answer:

Chloroplasts reside in most leaf cells. Both chloroplasts and the leaves themselves are different shades of green due to a lovely pigment they contain. A pigment is a compound that absorbs a particular wavelength of visible light. Chlorophyll is a green pigment contained in thylakoid membranes of chloroplasts that is used in photosynthesis by plants. In bacteria that also perform photosynthesis, chlorophylls are in the plasma membrane.

So you might be wondering, how does a pigment absorb light to fuel photosynthesis? First, we need to talk about light itself. The electromagnetic spectrum is the range of wavelengths from the radio waves of your car stereo to high-energy gamma rays. Chlorophyll and other pigments absorb specific visible wavelengths of the electromagnetic spectrum.  

The visible light is literally the colored wavelengths that are visible to your eyes. They range from red, at a wavelength of 700 nm, to blue, at a wavelength of 400 nm. Shorter wavelengths have higher energy (such as blue), and longer wavelengths (like red) have lower energy.  

Chlorophyll mostly absorbs blue and red wavelengths from sunlight. Therefore, it reflects the middle part of this visible spectrum, the green wavelengths.    

This is why plants look green to us. The color of a pigment is the wavelength of light that is reflected, or the wavelength that is not absorbed.

Chlorophyll contains electrons that are normally at a low energy state, or ground state. But when chlorophyll absorbs light energy, the electrons get really excited. Literally! They jump to a high energy level, or excited state. Although we'll save the details of this process for other lessons, this super-excited electron is then transferred from the chlorophyll pigment to a primary electron acceptor. Hence, chlorophyll becomes oxidized.  

Photosynthesis can use both chlorophyll pigments and other accessory pigments that reflect colors other than green. These accessory pigments aren't exactly the jewelry-type accessories of photosynthesis, but they are as helpful as the right pair of shoes to complete an outfit. These accessory pigments absorb other wavelengths of light and pass on energy to chlorophyll, expanding the range of wavelengths that can be used for photosynthesis.

Answer:

The dispersal of plant species occurs when the seeds of the plants are dispersed over different areas by animal means, wind, insects etc.

If the population of the organisms which help in the dispersal of the seed declines, then the dispersal of the plant species will also decline.

Hence, animals and insects are very important for the dispersal of seeds of plants over a region.

The endocrine system regulates the excretory system by signaling when blood is out of balance, which causes the kidneys to adjust urine concentration to maintain homeostasis.

The endocrine system affects the excretory system by regulating the balance of water, salts, and other substances in the blood. When blood sugar levels are high, the pancreas, an endocrine gland, secretes insulin, which assists cells in absorbing glucose from the blood, demonstrating the role of hormones in the regulation of bodily functions.

The answer to the question, 'How does the endocrine system affect the excretory system?' is option C: It tells the excretory system when the blood is out of balance. The kidneys, part of the excretory system, adjust the concentration of urine based on signals such as antidiuretic hormone from the endocrine system to maintain homeostasis.

The endocrine system affects the excretory system by signaling when the blood is out of balance. The correct answer is: C. It tells the excretory system when the blood is out of balance.

The endocrine system communicates with the excretory system through hormones, signaling when adjustments are needed in fluid balance, electrolyte levels, and blood pressure.

Hormones like aldosterone regulate sodium and potassium levels in the blood, impacting kidney function and water retention. Similarly, antidiuretic hormone (ADH) controls water reabsorption in the kidneys to regulate blood volume and osmolarity.

If blood pressure drops or electrolyte levels become imbalanced, the endocrine system signals the excretory system to adjust accordingly, such as by increasing or decreasing urine production.

The endocrine system plays a crucial role in maintaining homeostasis within the body, communicating with the excretory system to regulate fluid and electrolyte balance. This ensures proper functioning of the body's internal environment and overall health.

Answer:

c

Explanation:

there can't be growth if there are not enough resources

Answer:

C. When there is no competition.

& (If you have different options)

When there are unlimited resources.

Explanation:

correct for those option in the biology ap ex quiz/test as of late May 2021

Answer:

glucose and oxygen

Explanation:

Answer:

I believe its gene manipulation and overpopulation

Explanation:

Answer:

how can we know the substance if u didn't attach any diagram to this question

Final answer:

The interaction of substances A and B in chemistry typically refers to a combination reaction where they form a single product, C. This process can include intermediate steps and is influenced by thermodynamic factors such as solubility, temperature, pressure, and concentration.

Explanation:

The interaction of substances A and B could be exemplified in various scenarios within chemistry. Combination reactions occur when two or more reactants interact to form a single substance, such as A and B forming C. In another context, A and B could represent molecules such as an enzyme and its substrate or a ligand and receptor, which bind together to form a specific product. Sometimes, these reactions involve intermediate steps or may involve competing pathways, where a reactant like A could react with B or C resulting in different products.

It is also important to consider thermodynamic factors when mixing substances like A and B that aren't very soluble in each other. Their solubility or lack thereof can influence the direction and extent of their chemical interaction. Factors like temperature, pressure, and concentration, as pointed out in the various examples provided, play critical roles in determining the rates and outcomes of the reactions.

Answer:

The animals that eat the primary consumers. They are heterotrophs, specifically carnivores and omnivores.