What is the difference between genus and species?​

Answer/ Explanation:

The Miller-Urey experiment simulated hypothetical conditions present on early Earth which attempted to investigate the origin of life.

It used a collection of glass tubes and vessels containing water, hydrogen, methane and ammonia, which were believed to be the main components of the atmosphere on early earth. The earth's atmosphere was simulated using electrons, heat and cycling of the chemicals.

The experiment showed that this was sufficient to produce amino acids, the building blocks of proteins, which carry out essentially all living processes.

These snakes can sense electromagnetic waves that have A lower frequency and a longer wavelength

Explanation:

In the electromagnetic spectrum, infrared waves have a lower frequency and higher wavelength than visible light. They proceed visible light on the spectrum.

Ultraviolet waves, on the other hand, have higher frequency and smaller wavelength and precede visible light on the spectrum order.  

Answer:

C

Explanation:

Answer:

the four main ones are solar radiation, the amount of which changes with Earth's tilt, orbital distance from the sun and latitude, temperature, air pressure and the abundance of water.

Explanation:

Answer: Temperature

Air pressure

Humidity

Explanation: The temperature of the air causes differences in weather condition. The warmer air causes low pressure and high humidity which contributes to a bad weather. Lower air temperature causes high pressure and low humidity making clear skies and fine weather.

Explanation:

This is because the atom that ’donate’ the electrons and the one that ‘accepts’ the electrons – to become ions – will share an electrostatic association and form an ionic bond. So in reality, the atoms are only transferring electrons between themselves  rather than “losing and gaining” electrons. When the ionic bonds are broken, such as in chemical reactions, the atoms go back to neutral (regain their electrons) and form new associations with other atoms to form new compounds.

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It is better to describe ion formation as a transfer of electrons rather than ''gaining and losing'' electrons because;

An atom becomes a cation after losing an electron to another atom while the atom gaining the electron becomes anion.

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The two statements which describe the production of soy sauce.

Option A. When soy sauce is made, yeast and mold help break down the sugars to produce various acids.

Option F. To produce soy sauce, yeast and a type of mold are added to a  

mixture of soybeans, wheat, and salt.

Explanation:

Soy sauce is naturally prepared by artisanal brewing and fermentation. The basic ingredients used are soybeans, wheat and salt.

During the brewing process, microbes like mold, yeast or bacteria are added to the basic mixture to ferment. When mold is added to the basic mixture, it ferments and forms a mixture called koji.

Molds like Aspergillus soyae called the koji starter is commonly used. The enzymes present in the mold break the starch in the soy beans and wheat into simpler sugars, and proteins into amino acids, and fats into simpler lipids.  

The koji is then treated with yeast and lactic acid bacteria which ferments the koji and forms the moromi which is then processed further to form soy sauce.

The enzymes of the yeast converts the simple sugars into alcohol, CO2 and other organic acids and elements which enhance the flavor of the sauce. Lactic acid bacteria takes the role of converting the sugars into organic acids like aspartic and glutamic acid, and other amines.

Answer:D

Explanation:

Answer:

the answer is D.compass rose

Explanation:

All cells in an organism have the exact same DNA, despite the fact that they might express different genes. The incorrect statement about gene expression is that it results in different DNAs in different kinds of cells.

The statement that is not true about gene expression is: it creates different DNA within each of your cell types. This statement is false because all cells within a single organism have the same DNA. The different cell types in your body (like the cells in your brain versus the cells in your liver) do not have different DNA. What distinguishes different cell types is the specific combination of genes that are turned on, or expressed, in that cell type, not a different DNA.

Gene expression refers to the process by which the information encoded in your genes is used to create functional gene products, such as proteins. It does not, however, create different DNA within each of your cell types. Rather, different combinations of genes are turned on or off in different cell types, leading to the specialization and functionality of each cell.

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Answer:

a reliable source

Explanation:

Answer: it is c red and blue

Explanation:

Magnetic force is generated by moving electrical charge.

Magnetic force can act at a distance to attract objects to each other.

Explanation:

Magnetic force is a non-contact force that is generated by motion of charged particles or alligned atoms.

The objects that generate the Magnetic force are called magnets.

The region around the magnets where the effect of magnetic force is felt is called the magnetic field of the magnet.

Magnetic force can be attractive or repulsive.

When like poles come together the magnectic force between them behaves as a repulsive force.

When unlike poles are brought together the magnetic force between them is attractive force.

When uncharged magnetic material is brought near a magnet the magnetic force behaves as an attractive force.

A) Photosynthesis will stop if the openings on the underside of the leaves are closed.

Explanation:

Photosynthesis produces sugars (glucose) by using carbon dioxide and water in presence of sunlight and chlorophyll. And oxygen is produced as a bye product of photosynthesis.

For the  process of photosynthesis to take place continuously, it is very necessary that a continuous supply of Carbon dioxide and water is maintained into the cell.

Carbon dioxide enters the cell by the process of diffusion. The gases diffuse in and out of the plant tissue through the small openings on the surface of the leaves. These openings are called stomata.

If stomata remain closed then the diffusion of gases will cease . As a result photosynthesis will stop due to lack of raw material. Soon the plant will use up the reserve food and starve to death.

If an organ in your specific organ system stopped working. then the other organs will try to rectify the issue and attempt to make a balance state known as homeostasis.

Explanation:

The organs are the important things that make up the functioning of an organ system. Every organ system in the human body are inter dependent on each other's function. For example circulatory system and the respiratory system. If the organs of an organ system fails, then the other organs will try to match the particular organ's function thereby reaching a state of balance.

This process of getting a state of being balanced in a human body human body is called homeostasis. The important organs for respiratory system includes larynx, pharynx, nose, lungs, bronchi and trachea. When there occurs a failure of one organ occurs the other organs will try to do the function to reach a balance within the organ system.

Sample Response: The brain, through the nervous system, sends signals to the muscular system, causing the muscles to move rapidly. This rapid motion produces heat in the body and is observed as shivering. The brain also sends signals to the muscles right beneath the skin. These muscles shorten and tighten, causing the hairs on the skin to stand up. When the hairs stand up, heat is kept in the air trapped within the hairs, which keeps the body warm.

Answer:

B. Mitochondria

Explanation:

The bacterial species, Listeria monocytogenes, accounts for 12%-15% of infant meningitis cases.

Explanation:

Listeria monocytogenes is a group B strep gram-negative bacteria, one of the main causes of meningitis.

This species is psychrotrophic in nature which means that it can grow at low temperatures like refrigerator temperature and mostly found in areas with a temperature around 15-20 degrees Celsius.

These organisms also become psychrotolerant or psychrophiles and can grow at places where the temperature fluctuates.

This is the main reason for the spoilage of food stored in a refrigerator. So leftover baby foods, bottles stored in a refrigerator can be contaminated with these species.

When the infants ingest the contaminated food or use the bottle, they also get infected. Listeria monocytogenes cause meningitis in infants especially who are immunocompromised infants.

Answer:

A stable society starts with every member of the society having the basic four rights for each and every individual member of the society: 1) Protection of life 2) Protection of property and honour, 3) Freedom of speech as long as it does not endanger the first two protections, and 4) Access to healthcare and education.

Due to the strong positive correlation between energy and economic growth, any negative shocks to energy, such as a rise in energy prices or the impact of energy conservation policies, will have a negative impact on GDP. If there is insufficient energy relative to demand, it will lead to a fall in GDP.

Better tasting fruits or vegetables.

Fruits and vegetables that retain their flavor and texture longer.

Fruits, vegetables, grains or oils which enhance health.

Explanation:

Answer:

b

Explanation:

Answer:

A

Explanation:

Energy moves through an ecosystem from plant to apex predator. The saw palmetto is a plant, the woodrat is a herbivore so it comes second, and the bald eagle is the apex predator.

Answer:

The one major change that occurred was the placement and organization of the electron. Rutherford's model identified that the electrons were at a distance from the nucleus, Bohr's model identified that the electrons occurred at levels that related to their available energy, and the modern atomic model shows that electrons are located in a predicted area but cannot be identified in a specific point.

Answer:

Environmental factors can alter gene expression, cell signalling and cell differentiation.

Explanation:

Final answer:

Environmental factors can impact cell differentiation during fetal development, leading to different gene expression patterns and cell types in the body.

Explanation:

Environmental factors can have significant effects on cell differentiation. For example, during fetal development, if a mother faces famine or infections, the fetus will receive different environmental signals compared to a fetus that receives appropriate nutrition and avoids infections. These environmental signals can lead to different gene expression patterns and ultimately result in different cell types and structures in the body.

Answer:

Folds are usually formed by Compression

Explanation:

Compression has to do with applying force to a material or substance to give another shape, in order to get a fold compression is used.

Answer : A model that helps explain the results of Mendel's crosses is called a (Punnett square).

Answer:

Water

Explanation:

A compound means a substance (something) that is made of 2 or more elements.

Elements are the substances found on the periodic table. If you can find something on the periodic table, it cannot be a compound.

Nitrogen is "N" (7th square).

Phosphorus is "P" (15th square).

Oxygen is "O" (8th square).

The compound "water" is H₂O. It uses the elements "H" (hydrogen) and "O" (oxygen).

Since water is the only compound in those choices, the answer has to be water.

Other facts!

The Earth's surface has mostly water. About two-thirds (2/3) of Earth's surface is water.

The Earth's atmosphere is mostly Nitrogen (78%).

We breathe oxygen (which is O₂).

Answer: water

Explanation: A compound is a substance which contains more than one element chemically combined together in a fixed proportion. Nitrogen (N), phosphorus (P) and oxygen (O) are elements while water is a compound. Water has a chemical formula of H2O, containing two elements hydrogen and oxygen.

The observation that will prove that a cell is eukaryote is, the presence of genetic material within a well defined nucleus which is  separated from the cytoplasm by the double layered nuclear membrane.

Explanation:

Cells can be prokaryotic or Eukaryotic depending on the presence or absence of nucleus in them.

Bacteria,archaebacteria and cyanobacteria are prokaryotic and all other known higher organisms are eukaryotic.

The feature that differentiates a prokaryotic cell from an eukaryotic cell is the absence of a distinct nucleus in them.

Eukaryotes have their genetic material enclosed by a double layered nuclear membrane while prokaryotes have their genetic material laid free in their cytoplasm.

The another difference is the lack of membrane bound organelles in prokaryotes which are present in eukaryotes.

Some eukaryotic cells lose nucleus at maturity, but they have it in their premature stages. For example, Red blood cells of humans.

Answer:

Explanation:

Process by which common cells is converted to specific cells inorder to perform specific functions

Answer:

Dynamic changes that take place through interactions of the geosphere, atmosphere, hydrosphere and biosphere, can be better understood, modeled and predicted through  the use of feedback loops.

Explanation:

Feedback loops help us to determine how dynamic changes take place in one layer of the earth and how this change influences a change in the other layer of the earth.

For example, a feedback loop will help us to illustrate that when the temperature in the atmosphere rises, the glaciers in the biosphere melt. This causes the temperature in the geosphere to increase. Also, this will cause the water in the hydrosphere to be heated.

"The dynamic changes that take place through interactions of the geosphere, atmosphere, hydrosphere, and biosphere can be better understood, modeled, and predicted through the use of interdisciplinary approaches and advanced technologies. These include:

1. Remote Sensing: Satellites and aerial sensors collect data on the Earth's surface and atmosphere, providing real-time information on weather patterns, ocean currents, vegetation cover, and geological formations.

2. Geographic Information Systems (GIS): GIS technology allows for the integration and analysis of various types of data related to geographic locations. This can include topography, climate data, vegetation maps, and more, enabling the visualization of complex interactions between different spheres.

3. Global Positioning Systems (GPS): GPS provides precise location data which is crucial for tracking changes in the Earth's surface, such as plate tectonics, land subsidence, or glacial movement.

4. Numerical Modeling and Simulation: Computer models simulate the Earth's systems and their interactions, allowing scientists to test hypotheses and predict future changes under different scenarios, such as increased greenhouse gas emissions.

5. Data Assimilation: This technique involves integrating observational data with model predictions to improve the accuracy of forecasts and simulations.

6. Citizen Science: Engaging the public in data collection can greatly expand the spatial and temporal coverage of environmental monitoring efforts.

7. Biogeochemical Models: These models help in understanding the cycling of nutrients and chemicals through the Earth's systems, including the carbon and nitrogen cycles.

8. Climate Models: These are sophisticated tools that simulate the Earth's climate system and are used to understand past climate changes and predict future climate scenarios.

9. Ecosystem Models: These models are designed to simulate the dynamics of ecosystems, including the interactions between different species and their environment.

 10. Hydrological Models: These models simulate the water cycle and can predict the impacts of changes in precipitation, evaporation, and human water usage on water resources.

 By leveraging these technologies and approaches, scientists can gain a more comprehensive understanding of the Earth as an integrated system. This holistic view is essential for addressing complex environmental issues such as climate change, natural resource management, and disaster risk reduction."

Answer:

Explanation: Estrogen are steroid hormones which are made up of special molecules with a four ringed carbon atom back bone. A series of chemical reaction occurs spurred by an enzyme which removes and add groups to cholesterol core. This action transforms it into pregnenolone and then into androgens, then special aromatase enzyme convert androgen into estrogen.

Factors that affect the temperature of seawater include depth, geographic area, and currents.

The temperature of seawater is affected by multiple factors including depth, geographic area, and currents. The depth of the water can influence the amount of sunlight reaching the water and thus impact the temperature. Different geographic areas can have different climate patterns that affect seawater temperature. Additionally, ocean currents can transport warmer or colder water, further influencing the temperature.

Final answer:

Seawater temperature is determined by a combination of depth, geographic area, and ocean currents. Sunlight penetration, latitude, and heat distribution via currents are the primary factors, while solar radiation and geographical features also play significant roles.

Explanation:

The factors affecting the temperature of seawater are largely influenced by depth, geographic area, and ocean currents. The depth affects the temperature because sunlight penetration decreases with depth, leading to colder temperatures the deeper one goes. The geographic area is significant because water temperatures vary with latitude; waters are generally warmer near the equator and cooler near the poles. Furthermore, ocean currents play a crucial role in distributing heat across the globe. Warm currents can elevate temperatures in regions that would otherwise be cooler, while cold currents can have a cooling effect in areas that might be warmer without this influence.

Additional factors include solar radiation, which directly warms bodies of water, and geographical features such as wind systems, position on a continent, and mountain barriers, which can influence local climate conditions. These aspects also relate to the distribution of climate regions, with each facet contributing to the unique temperature profile of a given body of water.

A wave with a height of 5 feet and a wavelength of 15 feet has a wave base of 7.5 feet.

A. 7.5 feet

Explanation:

Wave base defines the depth of the water when it is in still condition.

Wave base is half of wavelength.

Wave base = wavelength/2

Given,

Wavelength = 15 feet

So, wave base = 15 feet/2 = 7.5 feet

When the wave height is divided by wavelength then it gives the steepness of the wave.

Therefore, the wave base is 7.5feet.

Answer:

Protons and neutrons have similar mass.

Electrons are smaller than a proton or a neutron.

Explanation:

Protons and neutrons have approximately the same mass, but they are both much more massive than electrons

Answer:

Protons and neutrons have similar mass and electrons are smaller then a proton or a neutron

Explanation:

Muscular and skeletal systems:

Muscular systems:

Muscular systems are systems that involves three major muscles in its system which are described below,

The functions of these three muscles are together makes the muscular system.

Skeletal muscle:

Cardiac muscle:

Smooth muscle:

Skeletal system:

Both muscular and skeletal systems play a major role in the functioning of the human body and act as the prominent system that is necessary for a healthy human body.

Answer:

i don't really know the condition but I think as animals Begin to migrate from one place to the other either by wind flooding and others the tend to adapt to the new environment where by somy features in them changes in other to adapt to the new area

The different species of dinosaurs have evolved through time due to changes in the climatic conditions. And, two species which have evolved from same ancestor show more similarity than two individuals which have evolved from different ancestors.

Evolution can be defined as the change in heritable characteristics of different populations over the period of successive generations.

The available evidence show that severe changes in the environmental conditions such as the intense volcanic eruptions and rapid climate change supported evolution of the species.

Homologous structures which have evolved from the same ancestor but these structures show certain level of difference due to changes in the habitats. These organisms which evolved from same ancestor show more similarity than the organisms which evolve from different ancestors.

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