Answer:
The correct answer is A) A spurt in the population of jellyfish.
Explanation:
According to this question, habitat loss affects population of leatherback turtles so the population of the leatherback will go down and it will affect the population of killer whales because killer whales prey on leatherback turtles.
As the population of leatherback turtles decreases the population of its prey that is jelly will grow very fast due to lack of their natural predators like leatherback turtles.
So if habitat loss and fishing continue unchecked then there will be a spurt in the population of jellyfish and decrease in the population of leatherback turtles and killer whales which will disturb the balance marine ecosystem.
Therefore the correct answer is A) A spurt in the population of jellyfish.
What is true of the population shown in the graph
A. The population is not changing much over time.
B. There are many factors at work to control the population
C. The population is growing unchecked.
D. The population has increased until it reached its carrying capacity
Control of (blank) synthesis is the key to controlling the chemical pathway of the cell.
Which end of an earthworm contains an organ that can detect smells?
Worms have sense organs in the Anterior end of their body .
What is sense organ?
Sense organs are the specialized organs composed of sensory neurons, which help us to perceive and respond to our surroundings. There are five sense organs – eyes, ears, nose, tongue, and skin.
What is Anterior end ?
The anterior end presents the front side of the body near the head region.
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what are disadvantages of using pesticides
An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. Humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive.
Discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.
The nervous system directly governs organs. The brain collects information from various organs and sends messages to keep them healthy. The skeletal system helps us move when our muscles contract.
What is the interrelationship of each organ with nervous system?Organ system communication is key to teamwork. They must respond to each other and vary their responses to maintain physical equilibrium. Autonomic nerve system and endocrine system control organ communication.
ANS controls involuntary functions. The ANS controls heart rate, blood flow, and digestion. You don't need to tell your heart to beat faster or squeeze muscles to digest meals. These functions aren't even worth considering. The autonomic nervous system controls them. Neurotransmitters deliver messages between nervous system sections and to other organ systems.
Endocrine glands secrete hormones into the bloodstream. Hormones in the blood circulate to all bodily cells. Hypothalamus controls the endocrine system. Hypothalamus hormones travel directly to pituitary gland cells. Pituitary is endocrine system's master gland. Its hormones activate or deactivate other endocrine glands. The pituitary gland secretes thyroid stimulating hormone, which stimulates the thyroid gland to secrete thyroid hormone. Thyroid hormone stimulates metabolism in bodily cells.
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What is a hypothesis for a “How much sugar is in the drink” project. Question is how much is to much. Please help
Final answer:
A suitable hypothesis for a project on sugar content in drinks might state that Beverage B will have a higher mean amount of sugar than Beverage A, based on provided statistics. Additionally, it could hypothesize that exceeding daily sugar intake recommendations increases health risks.
Explanation:
A hypothesis for a project investigating how much sugar is in a drink could be framed around the specific question "how much is too much." A possible hypothesis might be "If the sugar content in Beverage A and Beverage B is analyzed, then Beverage B will have a higher mean amount of sugar than Beverage A." This hypothesis builds on the project's data indicating that Beverage A has a mean sugar content of 36 grams per can with a standard deviation of 0.6 grams, while Beverage B has a mean of 38 grams.
In the context of determining what volume constitutes excessive sugar consumption, it's important to consider health guidelines. Such a hypothesis could be "Consuming more than the recommended daily intake of sugar will increase the risk of health issues such as diabetes." This hypothesis aligns with studies and the National Health and Nutrition Examination Survey that report high rates of sugary drink consumption among Americans.
what are the benefits of mitochondrial DNA and ribosomal RNA as molecular clocks
there is no benefits
Answer:
The rate of mutation is faster than that of nuclear DNA.
Explanation:
Molecular clock is a term used to describe the genetic technique that allows the study of evolution at the molecular level, relating the time of divergence between species compared to the molecular differences in DNA sequences or in the composition of proteins.
In this case, the DNA of the mitochondrial and that of the ribosome is more advantageous to be used as a molecular clock. This is because the rate of mutation of these DNAs is much higher than the rate of nuclear DNA. This allows the researcher to identify many polymorphic regions that were generated in an evolutionary process of millions of years. As the mutation rate is constant, the large number of polymorphisms in these DNAs make them the best option as biological clocks
PLZ HELP! (Will Give Brainliest!!!!!)
What color does Spica appear to be? Why?
sorry I'm like 3 years late lol but
Answer:
Spica appears to be blue because of how hot the star actually is that is why Spica is blue
How do cells eliminate waste? Thanks for the help!
stars are bright balls of gas that are trillions of miles away from earth
T OR F
1. Hydrochloric acid is used to produce fertilizers and dyes, to pickle and clean metal products, and as a reagent in the photographic and rubber industries. what are chemical properties of hydrochloric acid
Answer:
Hydrochloric acid reacts with zinc metal to produce hydrogen gas, zinc chloride, and heat.
Explanation:
The chemical properties of hydrochloric acid are monoprotic which can donate only one proton (H+). In water which completely dissociates to form hydrogen and chloride ions.
What is Hydrochloric Acid?Hydrochloric acid also known as muriatic acid is an aqueous solution of hydrogen chloride. It is a colorless solution with a characteristic pungent odor that is classified as a strong acid and is a component of gastric acid in the digestive tract of most animal species, including humans.
Physical properties such as the boiling and melting points, density, and pH of hydrochloric acid depend on the concentration of hydrochloric acid in water. It is colorless with a very pungent odor.
The reason hydrochloric acid dissociates into hydrogen and chloride ions is because it is a polar covalent compound and therefore ionizes when it is added to water.
Thus, the chemical properties of hydrochloric acid are monoprotic which can donate only one proton (H+). In water which completely dissociates to form hydrogen and chloride ions.
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Wegener's theory of continental drift was largely dismissed by the mid-1900s. What new evidence was able to revive this theory, and why?
Continental ridges were found, suggesting that parts of the land used to be below sea level.
Sonar technology found mid-ocean ridges, where new ocean floor was being created.
The coastlines of South America and Africa were similar in shape, suggesting that they shared a common tectonic plate.
The mantle moves through radiation, suggesting that rock in the Earth is not solid.
Answer: Option (C)
Explanation: Wegener's theory of Continental drift was replaced by a modern theory called the 'plate tectonic theory'. This theory was able to prove what wegener could not and so was universally accepted.
The new evidences supporting this theory were-
The coastlines of east America and west Africa are similar in shape suggesting that they might have existed together once upon a timeSimilar fossils were found at different continents such as the glossopteris faunaSimilar rock sequences found at different places determined by the correlation methodHence the correct option that satisfies the above question is option (C)
Sonar technology found mid-ocean ridges, where new ocean floor was being created, played a crucial role in reviving Wegener's theory of continental drift. This discovery provided compelling evidence for the theory of plate tectonics, which superseded and expanded upon Wegener's original ideas.
the discovery of mid-ocean ridges using sonar technology was significant:
1. **Mid-Ocean Ridges**: Sonar technology allowed scientists to map the ocean floor in detail. They discovered the presence of vast underwater mountain ranges called mid-ocean ridges. These ridges are characterized by a long chain of mountains and valleys running through the ocean basins.
2. **New Ocean Floor Formation**: More importantly, scientists found evidence that new ocean floor was being created at mid-ocean ridges. This was observed through the study of magnetic striping on the ocean floor, where alternating bands of magnetic polarity aligned with the Earth's magnetic field. This phenomenon indicated that the ocean floor was spreading apart at these ridges, and new oceanic crust was forming as molten material from the mantle rose to the surface.
3. **Plate Tectonics**: The discovery of mid-ocean ridges provided a foundation for the theory of plate tectonics, which explained how the Earth's lithosphere (outer shell) is divided into large, rigid plates that move and interact with each other. This theory not only accounted for the movement of continents but also explained the formation and movement of mountains, earthquakes, and volcanic activity.
In summary, the revelation of mid-ocean ridges and the process of seafloor spreading observed through sonar technology provided strong empirical evidence for the theory of plate tectonics. This theory unified various aspects of Earth's geological phenomena and convincingly demonstrated that the continents were indeed moving over the Earth's surface, validating and revitalizing Wegener's earlier idea of continental drift.
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Analyze the given diagram of carbon cycle below. Part 1: What is happening at location G? Part 2: Which type of energy transformation is taking place at this location? Part 3: Justify why this process is a recycling of carbon in the carbon cycle. Use complete sentences to explain your answer.
What makes up an owl pellet?
Answer:
c
Explanation:
Sara measured the amount of potassium nitrate (KNO3) that could be dissolved in 100 grams of water at different temperatures. She repeated the test five times. The data from Sara's experiment is listed in the table below.
Which of the following is the best inference Sara could make based on her data?
Answer:
The amount of KNO3 that can dissolve in water increases as temperature increases
Explanation:
Study island
As temperature rises, all three solutes become more soluble. The greatest significant increase in solubility is seen with potassium nitrate, which goes from about 30 g per 100 g water to over 200 g per 100 g water. Sodium chloride's solubility virtually ever varies.
What affect the solubility by increasing the temperature?The average kinetic energy of the solute molecules increases along with the solution's temperature.
As a result, the molecules have a lower ability to bind together and dissolve more easily. When temperature rises, solid states become more soluble.
Because some heat is dissipated during the dissolving process, the tension is reduced. Therefore, as the temperature rises, so does the solubility (concentration).
Therefore, Temperature increases cause an increase in the amount of KNO3 that can dissolve in water.
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Which would be the impact on the environment if there were no estuaries
A. There would be a drought
B. There would be more pollutants in the ocean
C. There would be a decreased concentration of salt in the oceans
D. There would be less boating, fishing and swimming in local rivers
The absence of estuaries would result in increased pollutants in the ocean, harming marine life and water quality. Estuaries serve as vital natural filters and habitats for many species, and their loss would have significant ecological and economic impacts.
Explanation:If there were no estuaries, one of the impacts on the environment would be B. there would be more pollutants in the ocean. Estuaries act as natural filters trapping pollutants and sediments, which helps to maintain the quality of the ocean waters. Without estuaries, these pollutants would flow more freely into the ocean, leading to degraded water quality and potential harm to marine life. Furthermore, estuaries are areas where the salinity varies because they are transition zones between river environments and maritime environments. These habitats are essential for many species for part of or all of their life cycles, including commercially important fish species. The loss of estuaries can also affect the biodiversity of the area and disrupt the entire marine food chain.
The presence of estuaries is also significant for mitigating the effects of climate change. For instance, these environments can buffer against sea level rise and storm surges, protecting inland areas. Moreover, estuaries are important breeding and feeding grounds for many species of wildlife and are some of the most productive ecosystems in the world. Additionally, many human economic activities, like fishing and tourism, are directly linked to the health of estuary systems. Therefore, the disappearance of estuaries would not only affect ocean health but also the economy and well-being of human communities that depend on these biologically rich areas.
Dense Denise is an emergency room nurse at Hopeless Hospital. She notices that the hospital is running short on blood, so she decides to dilute the blood with water to make it last longer. Later, Dr. Dingo, the attending physician gets ready to give a patient a transplant. As a precaution, he puts a sample under the microscope, sees this image. He immediately begins angrily barking at Denise. What happened to the blood cells? A) The blood cells burst because they were placed in water, a hypotonic solution. B) The blood cells burst because they were placed in water, an isotonic solution. C) The blood cells burst because they were placed in water, a hypertonic solution. D) Denise did not dilute the blood enough, causing the cell walls to collapse onto the blood cells and make them burst.
Here, the core answer is that the blood cells burst because they were placed in water, a hypotonic solution. That is, in Option A, as the blood cells are placed in a hypotonic solution, such as pure water, the concentration of solutes outside the cells is lower than the concentration inside the cells.
What happens when the shape of a blood cell changes ?Blood cells are surrounded by a selectively permeable membrane that controls the movement of substances in and out of the cell. The movement of water across this membrane is influenced by the concentration of solutes (ions and other dissolved substances) on either side of the membrane. If the concentration of solutes is higher outside the cell than inside, water will move out of the cell in an attempt to equalize the concentration of solutes on both sides of the membrane. This can lead to cell shrinkage, known as crenation.
Hence, Here, the core answer is that the blood cells burst because they were placed in water, a hypotonic solution. That is, in Option A
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Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen.
Please select the best answer from the choices provided
T
F
Answer: True
Explanation:
Weathering is a process by which rocks or any other material get disintegrated into small sediments and parts under the influence of physical or chemical agents.
Frost wedging is a physical weathering process in which the water enters into the rock. The freezing of this water under the influence of cold external temperature condition can disturb the internal structure of the rock. This process will cause the disintegration of the rock into parts and small sediments.
Which pair of chromosomes can contain two very different chromosomes and still be considered normal ?
The sex chromosomes, X and Y, in a human can be very different yet still considered normal. This is because they carry different sets of genes, unlike other chromosome pairs, yet are essential for determining the sex of an individual and facilitating sexual reproduction.
Explanation:The pair of chromosomes that can contain two very different chromosomes and still be considered normal are the sex chromosomes, specifically the X and Y chromosomes. Most chromosomes in a cell are homologous pairs, with each member of the pair inheriting from one parent, and these pairs contain almost identical genetic information. Yet, the X and Y chromosomes, which determine the sex of an individual, are an exception to this rule.
In humans, females have two X chromosomes while males have one X and one Y chromosome. Unlike all other chromosomal pairs, the X and Y chromosomes carry different sets of genes. They have a small portion of similarity - necessary for the accurate production of gametes - but overall their genetic content is vastly different. This different pair of chromosomes is entirely natural and normal in the context of sexual reproduction, and it's why males and females have different secondary sex characteristics.
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Which statements about particle movement in the image to the right are true? Check all that apply. They are moving from an area of high concentration to an area of low concentration. It requires energy. It occurs naturally by diffusion. It involves the help of carrier proteins.
Answer:
It requires energy
It involves the help of carrier proteins
which is the animal that live for 100years
Which of the following is a true statement about cellular respiration?
A. Cellular respiration occurs only in plant cells.
B. Cellular respiration occurs only in animal cells.
C. Cellular respiration occurs in both plant and animal cells.
D. Cellular respiration occurs in some plant cells and some animal cells.
Answer:
The correct answer would be C. Cellular respiration occurs in both plant and animal cells.
Cellular respiration refers to the set of biochemical reactions involved in harnessing the energy from the nutrients in the food and convert it into more usable form that is, adenosine triphosphate (ATP).
ATP is then used for all the vital processes of the cell such as replication of DNA, transcription, repair et cetera.
It takes place in all the cells of both plants and animals. In both, most of reactions associated with cellular respiration take place in mitochondria.
Peppered moths come in two colors, black and white. What did Kettlewell show, with regard to peppered moth populations and tree coloring? (Recall that England at the time was heated mainly by coal in urban areas.)
A) In smoggy areas, dark moths have a higher survival rate than white moths.
B) White moths stand out in rural areas, and quickly disappear from those areas.
C) The black moth and white moth forms were actually two different species of moths.
D) Environmental conditions do not affect physical features of a species over a short time period.
Answer:
A
Explanation:
In smoggy areas, dark moths have a higher survival rate than white moths.
estudos apontam que o cerebro tem milhares de funçoes. qual a ciencial que estuda o cerebro?
Answer:k
Cognición y el cerebro
Aprendizaje y memoria
Margaret Semrud-Clikeman, PhD, LP, ABPdN, Facultad de Medicina de la Universidad de Minnesota
El cerebro comienza a madurar incluso antes del nacimiento. Aunque continúa madurando a lo largo de la mayor parte de la vida, el cerebro no madura al mismo ritmo en cada individuo.
Esto no debería sorprender. Después de todo, nuestros cuerpos crecen a diferentes ritmos: llegamos a la pubertad a diferentes edades y a nuestra madurez emocional en diferentes momentos también.
Explanation:
Which of the following might be affected by the loss of a plant species?
a.
Only organisms that feed directly off the lost plant species will be affected.
b.
Other plant species will be affected, but no other organisms will.
c.
Multiple organisms may be affected by the loss of a plant species.
d.
No other organisms would be affected.
Answer:
c. Multiple organisms may be affected by the loss of a plant species.
Explanation:
We all know that all the animals on this earth depend upon plants for food either directly or indirectly because they can't synthesize their own food. Herbivores depend upon plants directly for their food whereas carnivores depend upon plants indirectly for their food. Carnivores hunt herbivores so if herbivores will exist then only carnivores will survive otherwise they will starve.
In this case, if herbivores particularly feed upon this plant species which is lost then the population of these herbivores will be reduced because there will be less food and the herbivores will compete each other for the food intraspecifically or interspecifically. As a result of which the carnivores feeding on such herbivores will also undergo same type of competitions and their population will get reduced too.
Apart from this certain type of plant plant interactions also exist in nature. If this plant species is lost then some other plant species may get benefited. When this particular plant species will get vanished then some other plant species will find ample space to grow and there will be less competition for food and water for them because of destruction of this plant species.
So, multiple organisms will get affected.
Using the information gleaned from "Your Stress Scale", please state what your score is and write a brief statement pertaining to your score and to your stress level.
Answer: My score is 10/10 because work overload, few hours of sleep, and lack of time to finish university work.
Explanation:
Approximately how much of the energy available in the tissues of the producer is eventually incorporated into the tissues of a secondary consumer?
The main difference between heat and temperature is that temperature is solely dependent on the
Where would you most likely find an organism that belongs to the domain Archaea?
Himan Gut. Moldy Bread. Hot springs. and yogurt.
Moldy bread is the answer