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.
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Answer:
A. A dog drinking water
Explanation:
Because def f external stimulus the feeling you describe as hunger, the churning sensation you experience when anxious or afraid.
Where is most of Earth's carbon stored? How much of it is stored there?
Answer:
Largest amount of carbon on Earth is stored in sedimentary rocks within the planet's crust.
Explanation:
The majority of Earth's carbon is held in rocks and sediment under the surface, totaling around 100,000,000 gigatons. A small portion of this is in the form of fossil fuels.
Explanation:Most of Earth's carbon is stored in the rocks and sediment under the surface of the Earth. These formations contain around 100,000,000 gigatons of carbon, which is significantly more than the amount stored in the biosphere and the atmosphere. Of this, a rather small portion of the carbon is stored in the form of oil, gas, and coal. These fossil fuels are a highly concentrated and influential source of carbon and play a significant role in the carbon cycle due to human activity.
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Answer: D). 100% of the females with red eyes, 100% of the males with white eyes.
Explanation: If XR represents the allele for red eyes and Xr represents the allele for white eye, and if the allele for red eyes is dominant and the allele for white eyes is recessive. Then the cross between the two will produce four offsprings, two females and two males. The females will be heterozygous for the trait having one dominant allele and one recessive allele XRXr while the males will have one allele for white eye and a Y chromosome XrY. Since XR is dominant, the females with genotype of XRXr will manifest red eye phenotype while the males with genotype of XrY will manifest phenotypically as white eyed because they have only one X chromosome.
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The main result of respiration is the
(a) conversion of light energy into chemical
energy
(b) building of muscles
(C) storage of energy
(d) production of energy from the breakdown
of food
Answer:
(d) production of energy from the breakdown
of food
Explanation:
Cellular respiration makes ATP energy. (Adenosine Triphosphate)
1. Compare How do
residual soil and transported
soil differ?
What happens in chemosynthesis
Answer:
drives energy from the inorganic chemicals, in the absence of solar light.
Explanation:
Chemosynthesis is an important process that some organisms use to get energy for the production of food. ... Instead, this energy comes from the reaction of inorganic chemicals that many of these organisms find in their environment. (Image Credit: teara.govt.nz) This process mostly occurs in bacteria
Answer:
Chemosynthesis is a biological process that takes place in some bacteria and derives energy from the inorganic chemicals, in the absence of solar light. It involves oxidation of inorganic molecules to make organic molecules, such as glucose.
In some conditions caused by mutations, it is beneficial for an individual to be a carrier of the disorder, and not have the full homozygous condition. This is known as fitness. sickle cell trait. heterozygote advantage. homozygote advantage.
Answer:
Explanation:
A heterozygote advantage describes the case in which the heterozygous genotype has a higher relative fitness than either the homozygous dominant or homozygous recessive genotype. The specific case of heterozygote advantage due to a single locus is known as overdominance. Overdominance is a condition in genetics where the phenotype of the heterozygote lies outside of the phenotypical range of both homozygote parents, and heterozygous individuals have a higher fitness than homozygous individuals.
How does a glacier move?
Answer:
gravity
Explanation:
Gravity is the cause of glacier motion; the ice slowly flows and changes in response to gravity. A glacier molds itself to the land and also molds the land as it creeps down the valley. Many glaciers slide on their beds, which enables them to move faster.
How many chromosomes are in a skin cell if a stomach cell has 40 chromosomes?
Answer:
there is 30,000 chromosomes in the human body
Explanation:
Why is this unicellular organism called an "ameba"?
An ameba is called so because of its ability to move and feed by extending pseudopodia, characteristic of organisms classified under the Amoebozoa supergroup. These organisms, which include both free-living and parasitic species, exhibit diverse adaptations such as bacterial endosymbiosis or multicellular stages in slime molds.
The unicellular organism is called an "ameba" due to its amoeboid movement and structure. Its body, often described as a blob of jelly, possesses the ability to change shape by extending and retracting pseudopodia (false feet) which allows it to move and ingest food through a process called phagocytosis. Ameba belongs to the Amoebozoa supergroup, which includes a variety of protozoans that exhibit similar amoeboid movement. The movement and feeding mechanism are facilitated by actin microfilaments within the cell that extend the cell membrane to form pseudopodia. Amebas are found in various environments and can exist as free-living organisms or parasites. The genus Entamoeba, for instance, includes species that can be harmful to humans, such as E. histolytica, the cause of amoebic dysentery.
Diverse amoebas exhibit specialized adaptations according to their habitat and lifestyle. The Gymnamoeba or lobose amoebae, including the well-known Amoeba proteus, show significant variation in size and complexity, from single to multinucleate forms. Their capability to host bacterial endosymbionts in place of mitochondria is a fascinating aspect of some amoebas, indicating a complex relationship with their environment. Another remarkable adaptation is observed in slime molds, especially cellular slime molds like Dictyostelium discoideum, which transition between unicellular and multicellular life stages, demonstrating cell differentiation and collective behavior.
Which of the following would be used to show the order that specific traits evolved in a group of organisms?
Binomial nomenclature
Branching tree diagram
Six kingdom classification
Taxonomic key
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Answer: branching tree diagram
Explanation:
Answer:
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Explanation:
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1. Would separated populations of squirrels be able to interbreed if
the barrier was no longer there? Defend your answer.
Type your answer here
Answer:
No, they could not interbreed.
Explanation:
When a group of squirrels separate from each other and develop its unique characteristics, this is known as speciation. One type of speciation is allopatic speciation in which one squirrel's species separate into two separate groups and isolated from each other because of the physical barrier. This physical barrier can be a mountain range or waterway and makes it impossible to breed with one another. Each squirrels species develop unique genetic characteristics due to change in habitat and genetic variations are transferred to their offspring.
Populations of blue-winged warblers, a type of bird, migrate south in the winter and return to Canadian breeding grounds in the spring. As global temperatures have increased due to climate change, spring has started arriving in the warbler's breeding grounds earlier in the year, before the warblers return. Warblers now arrive at their breeding grounds too late to select ideal nesting sites and to feed on important early-spring food sources.
Answer:
Populations will decline.
Explanation:
Since individuals will be less likely to successfully reproduce, and because they will not be able to breed with other birds on the breeding grounds.
Hopefully this helps :)
Answer:
C.
Populations will decline since individuals will be less likely to successfully reproduce.
Explanation:
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Which of the following is true? A. all organisms obtain water from food
B. Some substances must be resolved before they can be used.
C. Plant cells are unaffected when water is scarce
D. Water is important to some of organisms.
Answer: Option D. Water is important to some of organisms.
Explanation:
Water, with the chemical formula H2O, is a substance that forms the major percentage of many living cells, tissues and organs. Plants and animal cells rely on water to dissolve nutrients, aid transportation of materials within and out of the cell etc
Thus, the only true statement is that water is important to some of organisms.
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ANYONE HERE good in biology ..
ROLE OF BIOMOLECULES IN BIOSYSTEM
Answer:
Carbohydrates and proteins are bio molecules which are very important for our body. These bio molecules are used for the production of energy. These macromolecules are large in size which can not be used by our body so it can be broken down into simpler substances by the action of enzyme. Carbohydrate is broken down by Amylase enzyme into glucose molecule while protein is broken down by pepsin into amino acids. These glucose and amino acids are absorbed by the cell.
Nitrogen is a very important element in biology. What are some of the reasons why organisms need carbon?
Answer:
Nitrogen is a very important element in biology. What are some of the reasons why organisms need carbon?
Carbon forms the basis of every living organisms as it helps in growth, reproduction among others. Almost all cell molecules in all living organisms are made up of carbon
Explanation:
the galapagos tortoise are biodiverse. tortoises in a more barren area have a flat shell and long neck to help grasp the sparse vegetation. tortoises that live in a more vegetated island, have more round shell and shorter necks. this is an example of
Final answer:
The diverse shell shapes and neck lengths of Galápagos tortoises represent examples of adaptive evolution and natural selection, with differences suited to their specific island environments.
Explanation:
The differences in shell shape and neck length of the Galápagos tortoises are excellent examples of adaptive evolution. Tortoises with saddle-shaped shells and longer necks are adapted to islands with sparse vegetation, where they need to reach higher to grasp food. Conversely, tortoises with dome-shaped shells and shorter necks are adapted to islands with more abundant ground vegetation, where there's less need to reach high. These variations in physical traits are consistent with Charles Darwin's observations and underscore the concept of natural selection, where environmental pressures influence which traits become more common in a population over time.
The amount of water that evaporates from earth is _____.
roughly equal to the amount that falls as precipitation
less than the amount that falls as precipitation
more than the amount that falls as precipitation
Answer:
The amount of water that evaporates from earth is roughly equal to the amount that falls as precipitation.
Explanation:
In the hydrological cycle, evaporation consists of the conversion of liquid water into water vapor, which reaches the atmosphere. Once the water vapor condenses produces precipitation in the form of rain, snow or hail.
On the earth the amount of water that evaporates is proportional to the water that falls as precipitation. The mass of ocean water is substantially greater than the amount of land, so variations in the proportion of evaporated water and precipitation occur in the hydrological cycle:
In the oceans, evaporation is greater than the precipitation that occurs. On the continents - firm land - evaporation is less than precipitation.This produces a certain grade of compensation in which, globally, the amount of water that evaporates from the earth is roughly equal to the amount that falls as precipitation.
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Answer:
Equal or roughly equal
Explanation:
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Chromosomes contain _________________________ and are located inside of the nucleus.
Answer: DNA
Explanation:
A chromosome is a thread-like material with a long structure found in the cell nucleus. It mainly contains DNA and proteins. Due to the presence of DNA in chromosomes, it carries several genes.
The total number of chromosomes in human cell is 46: 44 are non-sex chromosomes while 2 are sex chromosomes
Answer:
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA).
Explanation:
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Write notes on the accesary organs of digestion found in the mouth and their function and structure
Answer:
Accesary organs: Accesary organs are those organs which are helpful in the digestion of food materials but they are not the parts of digestive track. These organs are present in the mouth i. e. tongue, saliva and teeth. The food is teared and crushed into pieces with the help of teeth due to their pointed structure. Saliva contains salivary glands which mixes with the food and starts the breakdown of food substance.
Red blood cells that are bathed in blood neither shrink nor swell and burst. If the concentration of blood is 0.5 m, what could be the concentration of the cytoplasm of red blood cells
Answer: The concentration of the cytoplasm of red blood cells will be 0.5m.
Explanation: Red blood cells that are bathed in blood neither shrink nor swell and burst because the concentration of the surrounding blood is equal to the concentration inside the cytoplasm of the red blood cells. This means that the two solutions are isotonic. Since the two solutions are isotonic, there will not be movement of water molecules across the red blood cell membrane. Osmosis do not occur between two solutions of equal concentration, for osmosis to occur water molecules must move from a region of high water concentration to a region of low water concentration through a selectively permeable membrane.
The function of the Golgi apparatus is to ?
Answer:
Explanation:
Nicknamed the "post office" of a cell Golgi bodies receive proteins from ribosomes and they package these proteins into bundles to either store them in vesicles or take them out of the cell.
List of organisms place them in appropriate place on timeline
Answer:Bacteria
Archaea
Eukarya
Viruses
Bees
Tapeworms
Great White Shark
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Natural gas is a substance that occurs naturally in Earth’s crust. Is it a mineral? Explain your answer.
Answer:
No
Explanation:
It is not a solid and it is not inorganic.
Natural Gas is not a mineral because it does not meet the necessary criteria; it is not solid at room temperature and does not have a crystalline structure. It is a gaseous mixture mainly composed of methane and arises from biogenic or thermogenic processes.
No, natural gas is not considered a mineral. While natural gas does arise from geological processes, the definition of a mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. To be classified as a mineral, a substance must be solid and stable at room temperature, which natural gas is not as it is a gaseous fossil fuel. Natural gas is mainly composed of methane (CH₄), with smaller amounts of other hydrocarbons like ethane (C₂H₆), propane (C₃H₈), and butane (C₄H₁₀), and sometimes contains impurities such as hydrogen sulfide.
As a gaseous mixture that lacks a definite crystal structure and is not solid at room temperature, natural gas does not meet the criteria for a mineral. Additionally, it is biogenic or thermogenic in origin, meaning it forms from the decay of organic matter or from the compression and heat treatment of organic material deep underground, respectively.
according to the most recent science,if everyone where to live in california,carrying a capacity of planet eart is appromixatley?
Answer:
Earth's capacity
Many scientists think Earth has a maximum carrying capacity of 9 billion to 10 billion people. [How Do You Count 7 Billion People?]
One such scientist, the eminent Harvard University sociobiologist Edward O. Wilson, bases his estimate on calculations of the Earth's available resources. As Wilson pointed out in his book "The Future of Life" (Knopf, 2002), "The constraints of the biosphere are fixed."
Aside from the limited availability of freshwater, there are indeed constraints on the amount of food that Earth can produce, just as Malthus argued more than 200 years ago. Even in the case of maximum efficiency, in which all the grains grown are dedicated to feeding humans (instead of livestock, which is an inefficient way to convert plant energy into food energy), there's still a limit to how far the available quantities can stretch. "If everyone agreed to become vegetarian, leaving little or nothing for livestock, the present 1.4 billion hectares of arable land (3.5 billion acres) would support about 10 billion people," Wilson wrote.
The 3.5 billion acres would produce approximately 2 billion tons of grains annually, he explained. That's enough to feed 10 billion vegetarians, but would only feed 2.5 billion U.S. omnivores, because so much vegetation is dedicated to livestock and poultry in the United States.
So 10 billion people is the uppermost population limit where food is concerned. Because it's extremely unlikely that everyone will agree to stop eating meat, Wilson thinks the maximum carrying capacity of the Earth based on food resources will most likely fall short of 10 billion. [When Will Earth Run Out of Food?]
According to population biologist Joel Cohen of Columbia University, other environmental factors that limit the Earth's carrying capacity are the nitrogen cycle, available quantities of phosphorus, and atmospheric carbon concentrations, but there is a great amount of uncertainty in the impact of all of these factors. "In truth, no one knows when or at what level peak population will be reached," Cohen told Life's Little Mysteries.
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what happens when oceanic crust collides with continental crust at a plate boundary
The correct phenomenon that occurs when oceanic crust collides with continental crust at a plate boundary is subduction.
When oceanic crust, which is denser and heavier, collides with continental crust, which is less dense and lighter, the oceanic crust is typically forced underneath the continental crust in a process known as subduction. This occurs at convergent plate boundaries, where two tectonic plates move towards each other.
As the oceanic crust descends into the mantle, it is subjected to increasing temperatures and pressures. This can lead to partial melting of the subducting plate, which in turn can produce magma that rises through the overlying continental crust. This magma can reach the surface to form volcanoes, or it can cool and solidify at depth to form intrusive igneous rocks.
The subduction process is also responsible for the formation of deep-sea trenches, such as the Mariana Trench, where the oceanic crust bends and begins its descent into the mantle. Additionally, the friction and heat generated by the colliding plates can lead to earthquakes and the formation of mountain ranges on the continental side of the boundary, as the crust is crumpled and uplifted.
In summary, when oceanic crust collides with continental crust, the denser oceanic crust is subducted beneath the lighter continental crust, leading to a range of geological activities including volcanic activity, earthquakes, and mountain building.
what are the cell cycle phases in order
The cell cycle phases in order consist of interphase (divided into G1, S, and G2 phases), followed by the mitotic phase which includes mitosis (with stages prophase, prometaphase, metaphase, anaphase, and telophase) and concludes with cytokinesis.
Explanation:Phases of the Cell Cycle
The cell cycle is an ordered series of events involving cell growth and cell division that result in two new daughter cells. The cycle can be divided into two main components: interphase and the mitotic phase. Interphase itself consists of three stages:
G1 phase (first growth phase): The cell grows in size and the number of organelles doubles.S phase (synthesis phase): DNA replication occurs, creating an identical copy of the cell's DNA.G2 phase (second growth phase): Proteins needed for cell division are synthesized and the cell prepares for mitosis.The mitotic phase follows interphase, beginning with mitosis (karyokinesis), which includes the stages: prophase, prometaphase, metaphase, anaphase, and telophase. Finally, cytokinesis occurs, where the cell's cytoplasm is divided, concluding the cell cycle and resulting in two genetically identical daughter cells.
What is the name of the pressure that builds over time along a fault?
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The pressure that accumulates along a fault due to seismic stress, which can lead to an earthquake when it overcomes frictional resistance, is known as seismic stress. Over time this leads to the 'snap back' of rocks in what is called the elastic rebound theory.
The pressure that builds over time along a fault is known as seismic stress. In earthquake-prone regions, such as California, the accumulation of stress along a fault, which is restricted by friction, leads to the potential for earthquakes. Over time, as the stress builds due to the movement of tectonic plates, it eventually exceeds the frictional forces holding the fault blocks together. When this friction is overcome, the release of energy can cause the rocks to break and slip, resulting in an earthquake. This sudden release of energy and the subsequent 'snap back' of the deformed rocks to their original position is known as the elastic rebound theory. Strain gauges are sometimes employed to measure the bending of rocks near faults as a method to help forecast potential seismic events.
Lynn has a degree in chemistry and biology. What company in the agriculture, food, and natural resource cluster might be interested in lynn?
A) A pest control company looking for a technician
B) A seed research lab looking for a janitor
C) A farm looking for a pilot to dust crops
D) A large horse stable looking for a veterinarian
Answer:
A) A pest control company looking for a technician
Explanation:
Some of the duties of a pest control technician are:
identify potential pests (biology) exterminating pests by spraying chemicals (chemistry) know about pesticide use fumigation, and safety (chemistry).A person with a joint degree in chemistry and biology would have the skills to do the job.
B) is wrong. A janitor doesn’t need much knowledge of biology and chemistry.
C) and D) are wrong. A knowledge of biology and chemistry doesn’t give a person the skills of a pilot or a veterinarian.
The pigments for light collection in photosynthesis are located in the: