How does the endocrine system affect the excretory system?
O
A. It filters the blood that is used by the excretory system.
O
B. It adds oxygen to the bloodstream through diffusion.
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C. It tells the excretory system when the blood is out of balance.
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D. It provides the enzymes that allow for digestion.
SUBMIT

Answer: Most natural resources, including fossil fuels, are not distributed evenly around the Earth. Deposits of fossil fuels depend on the climate and organisms that lived in that region millions of years ago, and the geological processes that have since taken place.

Explanation: The distribution of natural resources depends upon many physical factors like land, climate and altitude. The distribution of resources is unequal because these factors differ from place to place on this earth.

Final answer:

Coal, oil, and natural gas are fossil fuels whose uneven distribution is influenced by geologic formations, which vary around the world. Oil and natural gas have limited reserves and are concentrated in certain regions, while coal is more abundant but harder to extract and transport. Conservation and exploration of alternative energy sources are increasingly important as fossil fuel reserves dwindle.

Explanation:

Coal, oil, and natural gas are distributed unevenly across the Earth due to a variety of geological, geographical, and historical factors. Coal, which makes up more than 90% of the world's fossil fuel reserves, is relatively abundant and primarily used for electricity generation. However, it is more difficult to mine and transport than oil (petroleum) or natural gas. Oil production requires specific biological conditions for the creation of enough plankton and the right geologic conditions to preserve and alter the organic matter, which takes a million years or more. Natural gas, often found in association with oil, has different types of reserves, some of which can be extracted conventionally, while others require methods like hydraulic fracturing.

Because of these complex processes, fossil fuels are not equally distributed around the world. The use of these resources has steeply increased over time, not only due to population growth but also because of a rise in energy consumption per capita. With current estimates suggesting that known reserves of petroleum might be exhausted in about 60 years and natural gas in about 120 years, the uneven distribution poses significant challenges for energy security and policy. The world's oil supply is largely concentrated in OPEC countries, which hold considerable sway over global oil production rates, while coal reserves are more widespread, with countries like the U.S. having large supplies. Conservation and alternative energy sources are becoming more critical as these resources deplete.

Answer:

CO2 and H2O

Explanation:

Answer:

Reproduction would not occur if the genetic part of a cell were removed. Genetic material must be transferred for reproduction to occur. In other words, this is the DNA of the cell.

Reproduction would not occur if the reproductive cells or "gametes" (such as sperm or eggs) were removed.

Gametes are reproductive cells that are responsible for sexual reproduction. They are cells that carry half of the genetic information of an organism, which is necessary to produce a new organism. In humans and most animals, there are two types of gametes: sperm and eggs.

Sperm are produced in the male reproductive system and carry one copy of each chromosome. Eggs, on the other hand, are produced in the female reproductive system and also carry one copy of each chromosome. When sperm and egg cells meet, they fuse and form a new cell called a zygote, which contains all the genetic information necessary to form a new organism.

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Answer:

A rabbit and a squirrel have the same niche as the squirrel.

A likely result of the invasive species joining would be A) decline in the size of the native squirrel population.

Explanation:

Answer:

UVA light is dangerous because it penetrates multiple layers of the skin. Some tanning beds also emit UVB light. Exposure to UV light in tanning beds can age skin and greatly increase the risk of skin cancer.

Explanation:

Answer:

Tanning beds use UVA light.

The concentration of UVA rays from tanning beds is greater than from the Sun.

UVA light is dangerous because it penetrates multiple layers of the skin.

Some tanning beds also emit UVB light.

Exposure to UV light in tanning beds can age skin and greatly increase the risk of skin cancer.

Explanation:

Answer:

When a research is conducted and results are deduced, scientists tend to perform the experiments again and again to check if the results are similar each time. These multiple set of research again and again is important to check and prove that our results are authentic.

Sometimes, it might happen that there might be some other external factor due to which the results are occurring as seen. Re-checking of the results s important so that it might be made sure that no external factor is the reason of the shown results.  

The randomness in the alignment of recombined chromosomes at the metaphase plate, coupled with the crossing over events between nonsister chromatids, are responsible for much of the genetic variation in the offspring. To clarify this further, remember that the homologous chromosomes of a sexually reproducing organism are originally inherited as two separate sets, one from each parent. Using humans as an example, one set of 23 chromosomes is present in the egg donated by the mother. The father provides the other set of 23 chromosomes in the sperm that fertilizes the egg. Every cell of the multicellular offspring has copies of the original two sets of homologous chromosomes. In prophase I of meiosis, the homologous chromosomes form the tetrads. In metaphase I, these pairs line up at the midway point between the two poles of the cell to form the metaphase plate. Because there is an equal chance that a microtubule fiber will encounter a maternally or paternally inherited chromosome, the arrangement of the tetrads at the metaphase plate is random. Thus, any maternally inherited chromosome may face either pole. Likewise, any paternally inherited chromosome may also face either pole. The orientation of each tetrad is independent of the orientation of the other 22 tetrads.

Explanation:

The assortment of homologous chromosomes during meiosis is random and generates genetic variation, the raw material for evolution.

During metaphase I of meiosis, homologous chromosomes are lined up at the equator plate of the cell in order to be separated (assorted) in anaphase I.

The separation of homologous chromosomes during meiosis I is random, thereby daughter cells receive different gene combinations from an original parent cell.

Subsequently, haploid cells obtained from two successive meiotic divisions fuse during fecundation to form a diploid (2n) zygote.

Moreover, during prophase I non-sister chromatids interchange genetic material by a process known as recombination, thereby this genetic process also increases genetic variation in daughter cells.

In conclusion, the assortment of homologous chromosomes during meiosis is random and generates genetic variation.

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Answer:

A.) Aa

Explanation:

A heterozygous gene is known as having two different alleles of a particular gene or genes. The correct answer is option A because both letters are different, versus the other two options where both are capital or lowercase.

Answer:

Option A. 3 m/s2

Explanation:

Given data: Initial velocity = 0 m/s

Final velocity = 60 m/s

Time taken = 20 seconds

Required : acceleration = ?

Solution: We know that

Acceleration = final velocity - initial velocity / time taken

Acceleration = 60 m/s - 0m/s ÷ 20 s

Acceleration = 60 m/s ÷ 20 s

Acceleration = 3 m/s2

So the acceleration produce in the body is 3 meter / second square.

The chemical activities in human cells are heavily reliant on enzymes, which are biological catalysts that speed up and control the biochemical reactions necessary for life. They function under specific environmental conditions such as pH and temperature, and their presence and activity levels are critical for cell functionality.Therefore, the correct answer to the question is A) biological catalysts present.

In the body of a human, the types of chemical activities occurring within cells are most dependent on the biological catalysts present, namely enzymes. Enzymes are essential because they accelerate and regulate biochemical processes, allowing reactions to occur quickly enough to sustain life. The effectiveness of these enzymes is influenced by a variety of factors, including pH, temperature, salt concentration, and the presence of cofactors or coenzymes.

Enzymes significantly lower the activation energy required for chemical reactions, thereby increasing the rate at which these reactions can proceed. This regulation is crucial for the proper functioning of cells and maintenance of life. Due to the tight control cells exert over enzymes, they are of paramount importance in determining the types and rates of biochemical reactions that occur within the cells.

Stella's view of the cells improved as she increased the magnification level, from seeing closely packed cells at the scanning objective level to identifying individual cells and structures such as the pellicle within the Paramecium cell at the high-power objective level, where she also noticed cells at the interphase period of the cell cycle.

In the scenario described, Stella would have observed changes in the appearance and detail of the cells as she transitioned through the three levels of magnification. At the first level, using the scanning objective, she would merely have seen a section composed of scores of individual cells packed closely together. As she moved on to the low-power objective, individual cells became more well-defined.

It's at this stage that Stella might start to recognize cell structures within the Paramecium. For instance, she might see the pellicle, a layer that gives the cell form and structure. Finally, switching to the high-power objective would allow Stella to envision even the minutest details within the cells. Crucially, she would notice that most of the cells are in the interphase period of the cell cycle.

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Answer:

its d

Explanation:

Ecologists documented the stages of succession. The correct order is D-B-C-A. The lava and sand formations that resulted from the eruption are barren with few nutrients. This is the initial stage of succession, and it is characterized by the absence of life.

The next stage of succession is the establishment of pioneer species. These are species that are able to live in harsh conditions and that can help to improve the soil quality. Pioneer species on Surtsey included mosses, lichens, and plants that are adapted to be dispersed by the wind or sea and able to grow in the sand.

As the soil quality improves, other species, such as vascular plants, can begin to grow. Vascular plants include sea lyme grass and oyster plants. These plants are able to further improve the soil quality, and they can also provide food and shelter for other organisms.

The final stage of succession is the establishment of a climax community. A climax community is a stable community that is in equilibrium with its environment. The climax community on Surtsey is likely to be a forest, but it will take many years for this community to develop.

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The haploid form of water molds is represented by structures called sporangia.

What are molds?

Water molds, also known as oomycetes, are a group of microorganisms that belong to the kingdom Stramenopila. The life cycle of water molds typically involves both haploid and diploid stages.

The haploid and diploid stages alternate in the life cycle, which includes sexual and asexual reproduction.

The haploid form of water molds is represented by structures called sporangia. Sporangia produce haploid spores through a process called mitosis.

These spores can be released into the environment and, under suitable conditions, can germinate to form new haploid individuals. The haploid stage predominates in the life cycle during certain phases of reproduction and environmental conditions.

Answer: Most likely caused land erosion is your answer.

Explanation: Hoped i helped I am 100% sure this is correct!

Answer:

B) caused land erosion

Explanation:

its on usatestprep

Final answer:

The Antarctic Bottom Water is the unique deep-water body in the Southern Ocean characterized by its high salinity, cold temperature, and density, contributing to global ocean circulation and supporting a distinct ecosystem.

Explanation:

The unique deep-water body in the Southern Ocean known for its cold, saline, and dense properties is the Antarctic Bottom Water (AABW). This body of water forms near Antarctica, where sea ice production increases the salinity and density of the water, causing it to sink to the ocean floor. The AABW flows northward from its formation sites and is crucial for driving global ocean circulation. It significantly contributes to the cold, nutrient-rich deep waters and maintains the ocean's thermohaline circulation. Due to the depth and density, the AABW occupies the abyssal zone, which is known for its high pressure and cold temperature, supporting unique ecological systems based around hydrothermal vents and chemosynthetic bacteria.

At the Subtropical Convergence, the AABW interacts with warmer waters from the Pacific, Atlantic, and Indian Oceans, creating upwelling zones that support a diverse marine life, including various invertebrates and fish, and serve as feeding grounds for species like krill, which are vital for the Southern Ocean's food chain.

Answer:

A) The atom becomes an isotope.

Explanation:

The atom does not become an isotope because the only way an atom becomes an isotope is when a neutron is added or subtracted and in this case a proton not a neutron is added.

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Answer: Autonomic: Acting or occurring involuntarily, without conscious control. Central nervous system: The part of the peripheral nervous system that transmits signals from the central nervous system to skeletal muscles, and from receptors of external stimuli, thereby mediating sight, hearing, and touch.

Explanation:

Answer:

Explanation:

The major differences between the two systems are evident in the responses that each produces. The somatic nervous system causes contraction of skeletal muscles. The autonomic nervous system controls cardiac and smooth muscle, as well as glandular tissue.

Answer:

The movement of air masses is due to changes in the weather pattern.

Explanation:

air masses are basically huge regions of air that share similar characteristics like- temperature, ground surface conditions, humidity and moisture. They are build due to stagnant air around a particular region for quite a period of time.

jet streams also  known as steering winds play an important role in  navigating or steering the air masses. The cold air masses are directed to lower latitudes and the hot air masses are directed towards higher latitudes.

Due to the temperature differences between the cold and hot air masses the steering wind increases. Therefore, moving the air mass away from its originated regions.

Final answer:

The statement that best explains the impact of favorable oceanic conditions on the Geosphere is that intertidal areas support a diverse range of life due to their variable environment and adaptations of organisms to both terrestrial and marine conditions.

Explanation:

Which statement best explains the impact of favorable oceanic conditions on the Geosphere? The most fitting answer is that intertidal areas support many types of life. The intertidal zone, the area between high and low tide, is a vital part of the marine biome where organisms are repeatedly exposed to varying conditions such as air, sunlight, and waves. These life forms are highly adapted to this environment, being able to withstand dry periods and the physical impact of waves. Moreover, the movement of the waves contributes to the shifting of sand and the shape of the coastline, thereby supporting a unique and diverse ecosystem.

Additionally, the neritic zone is another part of the ocean that extends from the intertidal zone to the depths of about 200 meters, where sunlight still penetrates. This zone is also rich in biodiversity, with conditions suitable for photosynthesis, and acts as the base for most of the world's fisheries.

Ocean waves transporting sand to beaches best exemplifies the impact of favorable oceanic conditions on the geosphere.

A) Hurricanes change the shape of the coastline.

- This statement refers to the hydrosphere, not the geosphere. Hurricanes can indeed cause erosion and alter coastlines, but they primarily affect the interaction between the atmosphere and the hydrosphere.

B) Intertidal areas support many types of life.

- This statement also primarily concerns the hydrosphere, specifically the coastal zones where the ocean meets the land. Intertidal areas support diverse ecosystems, but they are not directly related to the geosphere.

C) Ocean waves add more sand to beaches.

- This statement involves the interaction between the hydrosphere and the geosphere. Ocean waves can transport sediments, including sand, along coastlines, contributing to beach formation and changes in coastal geomorphology. This option is most closely related to the impact of oceanic conditions on the geosphere.

D) Pollution moves onshore from oceans.

- While pollution can indeed be carried by ocean currents and impact coastal areas, this statement primarily relates to the interaction between the hydrosphere and the biosphere or anthroposphere, rather than the geosphere.

Therefore, option C, "Ocean waves add more sand to beaches," best explains the impact of favorable oceanic conditions on the geosphere.

Answer:

Evaporation is the process which allow water molecules to move between lakes and the atmosphere.

Explanation:

Evaporation is a process in which water which is present in liquid form in lakes and ocean evaporated in the form of water vapours. These vapours goes upward and form clouds which moves toward hilly areas with the help of wind. The water present in the clouds come back to the land in the form of rainfall and snowfall. This water flows through the streams and collected in the rivers again and repeat this process.

Answer:

Atomic number defined as the number of electrons or number of protons in an atom's free state.

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Answer: analogous structures

Explanation:

Answer:

The nitrogen cycle describes how nitrogen moves between plants, animals, bacteria, the atmosphere, which is the air, and the soil in the ground.

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Answer:

b

Explanation:

because the type of beak can give u yhe type of bird

The best characteristic for developing a dichotomous key from the given options option B) is the beak shape of different species of birds.

When creating a dichotomous key, the goal is to use characteristics that are easily observable and distinct from one another. Given the options:

The best choice is B: The beak shape of different species of birds. Beak shape is a clear, observable trait that varies significantly between species and can be used effectively to separate and identify the species.

Swimming ability (option A) can be subjective and variable within species. The age of species (option C) is not a defining characteristic for a dichotomous key as it is not consistent across all individuals of a species. The function of fur (option D) can be too broad and not always distinct among different mammals. Therefore, option B) beak shape is the most reliable and straightforward characteristic to use.

Answer

Animal obtain nitrogen from

Plant and microbes which has ability to fix nitrogen

Answer:

I think its Pioneer Species

Explanation:

The process of respiration system would not function well if the lungs was made up of only one big alveoli.

Explanation:

The main role of alveoli is to help the lungs to breath, for ventilation, diffusion and perfusion. The process of respiration system would not function well if the lungs was made up of only one big alveoli.

Alveoli are tiny to help the flow of oxygen and carbon dioxide, it helps the oxygen flow into the lungs and remove the carbon dioxide. If the alveoli is just one and big, then it would be hard to flow the oxygen through lungs and remove the carbon dioxide.

Therefore, it is good to have many tiny alveoli than one big one or the rib cage  that protect the lungs could go through some damages.

Answer:

red-shift and cosmic microwave background (CMB) radiation). One of the main pieces of evidence for the big bang is the observed motion of galaxies: The light from distant galaxies is redshifted, which indicates that they are moving away from us.

Explanation:

The redshift of distant galaxies supports the Big Bang theory. This redshift indicates that galaxies are moving away from us, suggesting the universe is expanding as predicted by the Big Bang theory.

One piece of evidence that supports the Big Bang theory is the redshift of distant galaxies. This redshift is caused by the Doppler Effect, which is a change in the frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. In the context of the Big Bang theory, the redshift observed in light from distant galaxies indicates that those galaxies are moving away from us and that the universe is expanding, with distances between galaxies increasing over time. This is consistent with the Big Bang's prediction of an expanding universe beginning from a very high density and high-temperature state.

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