Answer:
When you think about it - this is a similar case that happens in our species as well. You have groups of people who want to emigrate to different countries in hope for better grassland.
They emigrate but are immigrants from the perspective of the grassland where they will be.
The other factors that might cause individuals in this antelope herd to emigrate are immigration, increasing birth rate, and decreasing death rate.
What is emigration?When an animal emigrates, it's because its habitat is no longer ideal for it and it needs to move to a new location with a better habitat. Animals that migrate or emigrate never go back to the place they were originally from.
This is a similar situation to one that occurs in our species. There are various groups of people who want to immigrate to various nations in search of better grasslands. From the perspective of the grassland where they will be, they migrate but are immigrants.
Therefore, Immigration, a rising birth rate, and a declining death rate are some additional factors that could result in members of this antelope herd leaving the group.
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Some people worry that the increasing number of cell phones will cause cancer because of the energy of the radio waves they emit. Cell phones are a new technology that only recently became widely used. And because cancer takes years to develop, the amount of risk is not yet known.
Answer:
No.
Explanation:
There is no clear evidence which indicates that cell phones will cause cancer because they emit very low intensity of radio waves but it can cause other diseases. Diseases such as brain tumor, male infertility and ear hearing function can be adversely affected by using cell phones due to the radio wave they emit. So we can say that cell phones will not the cause of cancer disease.
Answer:
No, the increasing number of cell phones will not the cause of cancer because it emits low intensity of radio waves. Radiations such as x-rays, gamma rays, alpha particles, beta particles, and neutrons are responsible for causing damage to the cell and the main cause of cancer. High intensity of radio waves heats up the cells not causing cancer disease so we can conclude that the increasing number of cell phones will not cause cancer disease in humans.
Explanation:
All carbonate minerals contain the elements
A. carbon dioxide and oxygen
O B. silicon and oxygen
O C. sulfur and four carbon oxygen atoms
O D. carbon and three oxygen atoms
Answer:
D. Carbon and three oxygen atoms
Explanation:
All carbonate minerals contain one carbon atom bonded to three oxygen atoms.
The correct option is A. All carbonate minerals contain the elements
carbon, oxygen, and also one or more metal elements.
How carbonate ion is made?The carbonate ion (CO32-) consists of one carbon atom and three oxygen atoms, and it is this ion that forms the basis of all carbonate minerals.
When carbon dioxide (CO2) dissolves in water, it forms carbonic acid (H2CO3), which can then react with minerals that contain metal ions, forming carbonate minerals. Examples of carbonate minerals include calcite, dolomite, and aragonite.
The most common carbonate mineral is calcite, which is a polymorph of the mineral calcium carbonate (CaCO3). Other carbonate minerals include aragonite, dolomite, magnesite, and siderite.
These minerals are important economically because they are used as building materials, as sources of metals such as magnesium and iron, and in a wide range of industrial applications.
Carbonate minerals are also important in the geological record because they can provide information about the environmental conditions in which they formed.
For example, the isotopic composition of carbon and oxygen in carbonate minerals can be used to determine the temperature and salinity of the water in which they formed. Carbonate minerals can also be used to study the history of Earth's climate, as changes in the amount of carbon dioxide in the atmosphere are reflected in the isotopic composition of carbonate minerals in sedimentary rocks.
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An organic compound is one that:
a contains carbon in all living things
b is slightly acidic in animals that live in water
c forms long chains in some living things
d is soluble in water in animals that live on land only
HURRY I NEED HELP PLEASE
which of the following is an example of the changes that take place in an ecosystem during secondary succession
Explanation:
An example of secondary succession in an ecosystem is: Shrubs and trees regrow quickly in an area that has been burned during a forest fire.
Why might the amount of current and voltage in a circuit need to be juggled?
a.
Because too little current cannot travel far
c.
To keep power constant
b.
To avoid burning out wires
d.
In order to get the most power possible from a given voltage
Please select the best answer from the choices provided
A
B
C
D
To get maximum power from a given voltage, the amount of current and voltage needed to juggle in a circuit. So, the correct option is (D).
What is Voltage?Voltage is also called electric pressure, electric tension or potential difference which can be defined as the difference in electric potential between two points. In a static electric field, it describes the work required per unit charge to move a test charge between two points.
To maintain a certain amount of current passing through a circuit the voltage of a circuit is changed which is directly proportional to the current. Lowering the voltage will reduce the flow of current, when we assume that the resistance of the circuit remains the same depending on the demand the voltage changes and the current automatically changes.
Thus, to get maximum power from a given voltage, the amount of current and voltage needed to juggle in a circuit. So, the correct option is (D).
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A couple has a daughter with Turner syndrome, a condition in which only a single copy of the X chromosome is present. This results from nondisjunction, the failure of the X chromosome to segregate properly during meiosis. During which meiotic division, and in which parent, could nondisjunction have occurred to produce a child with this condition
Turner syndrome (XO) in women have to give up end result from non-disjunction for the duration of Meiosis II.
Meiosis II withinside the mother, wherein she may be capable of produce 50% eggs having 2X chromosomes at the same time as the rest 50% will now now not have any X chromosome. When the latter type (O) of eggs fuse with the X chromosome containing sperms paperwork the father, it will be a XO genotype female with Turners syndrome Another possibility is non-disjunction for the duration of Meiosis II withinside the father. In meiosis II, the sister chromatids separate, making haploid cells with non-duplicated chromosomes. There are divisions in meiosis; the primary department is meiosis I: the quantity of cells is doubled however the quantity of chromosomes is not. This consequences in half of of as many chromosomes in line with cell. The 2d department is meiosis II: this department is like mitosis; the quantity of chromosomes does not get reduced.
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What are examples of environmental variations?
Examples of environmental variations:
Hair length: The length at which you want to wear your hair.Scars from your own accidents .Your muscle strength is based on how much exercise you get.Piercings: whether you decide to get them or not.Environmental variation refers to an organism's capacity to significantly vary its PHENOTYPE in response to environmental factors. Plants exhibit the phenomenon the most clearly, possibly because they are permanently rooted in the earth. For instance, if a dandelion is planted in a garden border with other plants, it will develop an upright posture with long blossom stalks. If cultivated on a garden lawn, a different dandelion with a similar genotype will result in a PROCUMBENT habit with short flower stalks.
Climate, diet, accidents, culture, and way of life are only a few examples of the variables that might have an impact on an animal's or plant's characteristics. For instance, you will put on weight if you eat too much, and you will lose weight if you eat too little.
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Please help! best answer gets brainliest
Answer:
help with what ? theres nothing there
Which structure fuses to form a diploid zygote during sexual reproduction?
Answer:During sexual reproduction, two haploid cells, called gametes, fuse to form a diploid cell called a zygote. In animals, the gametes are sperm and eggs, and the process by which they fuse is called fertilization. In plants, the gametes are produced by the male and female reproductive cells, called the microgametes and the megagametes, respectively, and the process is called syngamy.
During fertilization in animals, the sperm penetrates the egg, and the nuclei of the sperm and egg fuse, combining their genetic material. This forms the diploid zygote, which then undergoes cell division to form a multicellular organism.
In plants, the fusion of the microgametes and megagametes occurs at the tip of the pollen tube and the egg cell. This process is called double fertilization, which leads to the formation of a diploid zygote and a triploid cell called the endosperm, which provides nourishment for the developing seed.
In both case, sperm and egg or micro and mega gametes are the structure fusing to form diploid zygote during sexual reproduction.
How is local humidity influenced by a flow of energy and the movement of matter in the form of water?
Answer: Evaporation!
Explanation:
One way in which energy can influence local humidity is through the process of evaporation. When energy is added to water, it can cause the molecules to vibrate more rapidly, which can eventually cause them to break free from the surface and turn into a gas. This process, called evaporation, can increase the amount of water vapor in the air, leading to higher humidity.
Answer:
The local humidity is influenced by the flow of energy and the movement of water in the air because these factors determine the amount of water vapor that the air can hold. The amount of water vapor that air can hold is directly related to its temperature - as the air temperature increases, the air can hold more water vapor. When the air is already saturated with water vapor, any additional moisture will condense into visible droplets, such as dew or fog. This process is known as condensation.
The movement of water in the air can also affect local humidity. If moist air moves into an area, it can increase the humidity in that area. Conversely, if dry air moves into an area, it can decrease the humidity. The movement of water in the air can be caused by a variety of factors, including differences in temperature and pressure, the presence of physical barriers, and the force of the wind.
Explanation:
David is growing algae in a closed bottle for an experiment. The bottle is half full of water and half full of air. David floats the bottle in a pond for three weeks. At the end of the three weeks, David notices that lots of algae grew, but the bottle did not sink lower in the pond. Why didn't the bottle of algae grow heavier
The growth of the algae came from the air and water in the bottle. A typical summertime annoyance is the proliferation of algae. These little creatures enjoy attaching to cracks in used returnable bottles. Algae can grow rapidly in a bottle of water because of the sunlight and warmer temperatures.
The organisms are quite tough, even after the bottles have gone through the water cycle. The algae can then receive sunlight as a result. Clear plastic and glass containers are both suitable options. You may use something smaller, like a plastic water bottle, or something bigger, like a tiny aquarium, to cultivate algae for a science air project. Algae can also grow in environments that are highly wet but are not aquatic. For instance, the rocks next to a creek or river might be sufficiently moist to support a thick layer of algae.
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Describe the possible effect of a thick cuticle layer in drought conditions.
esto da como resultado una tasa de transpiracion y una disminucion de de transpiracion por depocito de capa de lipidos en la superficie de las hojas en exposicion a sequia moderada
9. What is the name of the test used to detect the presence of mutagens?
What is the role of mucus and cilia in the respiratory tract?
The role of mucus and cilia in the respiratory tract is to block foreign particles from entering the nose.
The respiratory tract consists of the nasal cavities, pharynx, larynx, trachea, bronchi, bronchioles, alveoli and lungs. The nasal cavity in the respiratory system has a function to continue the incoming air then leads to the throat.
In the nasal cavity there is a mucous membrane which is the receipt of the mucous membrane and cilia of the nose hair which is very fine. Mucus is made of mucin and water which forms a sticky gel whose role is to trap bacteria, viruses, dirt and dust from outside so it doesn't enter the nose. While the cilia play a role in filtering air through their fine hairs which will prevent dirt from entering the nose.
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question what was the name of the gene that was affected by this condition . Tell the function of this gene-what does it code for be very specific
The gene affected by this condition is known as the KCNH2 gene. This gene is located on the long arm of chromosome 7 and encodes a voltage-gated potassium channel.
The voltage-gated potassium channel is an integral membrane protein that is responsible for controlling the flow of potassium ions into and out of cells.
The KCNH2 gene is important for the normal functioning of cells in the body. It is essential for the maintenance of the resting membrane potential by regulating the flow of potassium ions. It is also involved in mediating the electrical activity of the heart and plays a critical role in cardiac repolarization. Mutations in the KCNH2 gene can lead to a variety of cardiac arrhythmias and other cardiac conditions, including long QT syndrome.
Long QT syndrome is a genetic disorder that affects the electrical activity of the heart and can cause syncope, cardiac arrest, and even sudden death. The KCNH2 gene is one of the genes that has been linked to this disorder. Mutations in this gene affect the normal functioning of the voltage-gated potassium channel, which can lead to a prolonged QT interval on an electrocardiogram (ECG). This can result in an increased risk of life-threatening arrhythmias and cardiac arrest.
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Which evidence best supports the claim that mutations are a source of inheritable genetic variation?
ANSWER: Mutations affect protein synthesis which impacts the way traits are expressed.
Sickel cell anemia. What type of mutation error has occurred to cause the disorder shown?
ANSWER: substitution
Examine the two strands of DNA below. Which kind of mutation occurred?
Original strand: AGC GTA CCC TAC
New strand: AGC GTA ACC TAC
ANSWER: substitution
Millions of years ago, the ancestors of giraffes had short necks and used to eat leaves from the bushes on the ground. A genetic mutation caused one giraffe's neck to be taller. This long-necked giraffe was able to eat leaves that were higher up on trees. This gave it an advantage as it was able to access more food than other giraffes. Over millions of years, all of the giraffes became long-necked. Which type of environmental factor caused this mutation to be inherited?
ANSWER: food availability
What is one way that a frameshift mutation could occur?
ANSWER: two nucleotides are deleted
The insertion or deletion of nucleotide bases in amounts that are not multiples of three is referred to as a frameshift mutation in a gene.
What is Frameshift mutation?This is significant because a cell reads the genetic code for proteins in groups of three nucleotides.
These so-called "triplet codons" each stand for one of the 20 different amino acids that go into making a protein.
The entire gene sequence after the mutation will be misread if a mutation alters this regular reading frame. This may lead to the incorrect amino acids being added to the protein or the development of a codon that prevents the protein from getting longer.
Therefore, The insertion or deletion of nucleotide bases in amounts that are not multiples of three is referred to as a frameshift mutation in a gene.
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What is a characteristic displayed in an organism?
Answer: All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing.
How many total permanent teeth should an adult have, assuming none have been lost or removed? -8 -16 -20 -32
Answer:
The correct answer is 32 teeth.
Explanation:
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help me please will give brainly
There are several terms that are used to describe invasive species. What are some of them? Try and come up with at least two other terms.
Pest species.
Nuisance species.
Weeds (In reference to plants)
Harmful non-native species.
Which factor determines if you'll hear an echo of your voice half of a hard surface? A--your mass. B-temperature of the wall c--your height D-your distance from the wall
Answer:
D
Explanation:
What is it called when natural selection favors a certain trait?
A. directional selection
B. the wrong direction
C. natural selection
D. one direction
Answer:
C. natural selection
Explanation:
I hope this helped :)
Answer:
C
Explanation:
Why is the structure of a nucleosome so important?
A. It allows DNA to fit in the nucleus.
B. It helps the DNA exit the nucleus.
C. It tangles the chromatin.
D. It replicates the DMA.
Answer:
Hi, I'm going to say A since The DNA supercoils itself with the help of various proteins to get a compressed shape so that it can fit and be packaged inside the nucleus of the cell.
Please correct me if I am wrong :)
Have a nice day
Explanation:
In the digestive system many large molecules, such as proteins, are broken down into much smaller molecules. State what happens to these smaller molecules following digestion.
Smaller molecules are taken up into the bloodstream by epithelial cells that line the walls of the small intestine. The waste continues to the colon where water is absorbed and the dried waste is compacted into feces. It is stored until excreted from the anus through the digestive system
The digestive system breaks down the food we eat into its simplest forms: glucose (sugar), amino acids (which make up protein), and fatty acids (which make up fat). Absorbed by the flow, the nutrients are carried to every cell in the body.
The human digestive system consists of the gastrointestinal tract and the accessory digestive organs. Digestion breaks down food into smaller and smaller components until they are absorbed and absorbed by the body.
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Albinism results in the body being unable to make a protein needed for production of melanin, which gives up our skin, hair, and eye pigment. According to this pedigree, what kind of trait is albinism?
a. operon
b. recessive
c. dominant
d. sex-linked
Answer:
B. Recessive
Explanation:
Albinism is developed in an autosomal recessive pattern
1. Which of the following is not a microorganism, but helps bread rise in baking?
Yoghurt
Yeast
Bicarbonate of soda
Salt
In a far-off galaxy, an astronomer observes a moon orbiting a planet. The moon stays in orbit because of the planet’s gravity.
Which scenario would increase the gravity of the planet?
What claim can you make about whether any of the individuals in one population have arm lengths similar to the individuals in the other population?
Subject is UCSD vs Laguna Mt juncos
Due of the larger range in the blue population's largest tower's height than in the yellow population.
They don't have to worry about the planet providing for them because they have a stable climate, which allows them to have children virtually all year round, and human-provided resources. Your traits, which are features or characteristics that you inherit from your parents, are determined by the information carried by your genes (say: trates). In the human body, each cell has between 25,000 and 35,000 genes. A common garden experiment reveals that individuals in the UCSD population had shorter wings and tails than those in the adjacent mountains, and the physical variations are genetically based.
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What are the main features of a bacteria do we use to classify them?
Bacteria can be classified on the basis of some of their main features which include their shape, mode of nutrition, mode of respiration and composition of their cell wall.
Bacteria are single-celled organisms which are able to survive in a wide range of conditions are found almost everywhere in the environment. They can be classified on the basis of some of their main features. The first feature is shape. Bacteria in nature can be found in different shapes which include rod-shaped, sphere, spiral etc. Another feature is their mode of nutrition which can be either heterotrophic or autotrophic.
The third feature can be their mode of respiration which can be either anaerobic or aerobic. Another feature is the composition of cell wall. The cell wall can be either peptidoglycan or lipopolysaccharide cell wall.
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WILL GIVE BRAINLIEST 20 POINTS
A young woman, who has acutely poor nutrition (due to her bulimia) and frequently takes various pharmaceutical drugs for recreational purposes, goes on a three-week vacation. She becomes incredibly sick on the first day with the flu, spending the entire vacation in bed. Five weeks after her return, she discovers that she is pregnant and in her 10th week. Which of the following is the greatest concern that a doctor may have about her pregnancy in regard to the effects of her lifestyle?
A.
neural tube defect
B.
poor milk production
C.
sleeplessness
D.
paternal genetic profiling
E.
fetal eating disorders
Answer:
neural tube defect
Explanation: