According to young age creationism, there should be very few transitional forms or intermediate species in the fossil record.
Each species was created "after its kind" and did not evolve into a different species throughout time, according to young-age creationism. As a result, the fossil record ought to reveal distinct and independent species with little proof of evolutionary change or intermediary forms.
Contrary to the idea of evolution, which contends that species indeed evolve over time and that transitional stages between various species should be visible in the fossil record, is this viewpoint.
Such transitional forms, such as Archaeopteryx (a dinosaur that resembled a bird) or Tiktaalik (an amphibian that resembled a fish), are seen to provide substantial evidence for evolution but are not predicted by young-earth creationism.
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what is extinction? what evidence do we have that some species have become extinct? what are some factors that can lead to extinction events? why would they potentially lead to extinction events?
ACAUGGAUC AGAUGGAUC what would be the result of this muation
A error in DNA replication could be the cause of a spontaneous mutation. During mitosis and meiosis, mutations can also happen.
The amount of genetic material or DNA is only increased by mitosis and DNA replication. Both the daughter cells and the parental cell retain the same number of chromosomes. This keeps the cell's ploidy intact.
An induced mutation is a mutation that is brought on by a mutagen, or environmental element.
What results from a genetic mutation?
Such changes result in the synthesis of new proteins or the early termination of existing proteins. Synonymous mutations, in contrast to nonsynonymous mutations, do not alter an amino acid sequence, despite the fact that they are by definition limited to sequences that code for amino acids.
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Cork is a material that is often used to make bottle stoppers and bulletin boards. This material is made from cork oak trees.
In 1665, a scientist named Robert Hooke examined a thin slice of cork under a microscope. The slice was made up of many small compartments, which Hooke called cells.
What part of cell theory does Hooke's discovery best support?
A.
Energy flow, or metabolism, occurs within cells.
B.
All new cells come from pre-existing cells.
C.
Cells are the basic building blocks of all living organisms.
D.
Cells contain genetic material that is passed to daughter cells.
Answer:
C. Cells are the basic building blocks of all living organisms.
In ventilation-perfusion coupling, bronchodilation occurs under what conditions?
Bronchodilation occurs in areas of the lungs with increased ventilation in order to match airflow with blood perfusion.
Ventilation-perfusion coupling refers to the matching of airflow (ventilation) and blood flow (perfusion) in the lungs to optimize gas exchange.
In areas of the lungs where there is increased ventilation (more air reaching the alveoli), bronchodilation occurs to widen the airways and facilitate increased airflow. This makes sure that ventilation and perfusion are balanced properly, enabling effective gas exchange between the alveoli and the circulation.
Bronchodilation helps to maximize the oxygenation of blood and the removal of carbon dioxide in regions with increased ventilation.
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When there is a larger ventilation-to-perfusion ratio (V/Q ratio) in the lungs, ventilation-perfusion coupling results in bronchodilation. This indicates that the blood flow (perfusion) in the surrounding capillaries is less than the air flow (ventilation) in the alveoli.
The expansion or dilation of the bronchial airways is referred to as bronchodilation. It enables better lung ventilation and higher airflow. When more oxygen is needed or when carbon dioxide needs to be removed effectively, it happens.
Situations where bronchodilation takes place specifically include:
Exercise: As a result of the increased demand for oxygen brought on by physical exercise, the bronchial airways widen and allow for more airflow to satisfy the body's increased oxygen requirements.
Stress or excitement: The body's fight-or-flight reaction can cause bronchodilation as a part of the process to increase oxygen intake and be ready for probable physical activity.
In general, when the body needs more oxygenation and better ventilation to meet the metabolic demands, bronchodilation occurs in ventilation-perfusion coupling.
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The amount of memory used by an array depends on the array's data type and the number of elements in the array. Group of answer choices True False
Answer: True.
Explanation:
an example of a sessile benthic organism is a . multiple choice question. snail starfish sea anemone
An example of a sessile benthic organism is a sea anemone.
Sessile organisms are those that are permanently attached to a substrate and do not have the ability to move freely. They remain fixed in one place throughout their life. Benthic organisms live on or near the bottom of aquatic environments such as oceans, seas, or lakes. Sea anemones are an example of sessile benthic organisms. They are marine animals that belong to the phylum Cnidaria. Sea anemones are typically attached to substrates such as rocks or coral reefs on the ocean floor. They have a cylindrical body with a central mouth surrounded by tentacles. Sea anemones are known for their striking colors and can be found in various marine habitats worldwide. As sessile organisms, they rely on capturing prey that comes within reach of their tentacles rather than actively pursuing food.
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The enormous cloud of gas and dust initially condensed due to particle attraction. What force then pulled the cloud into a flat disk shape?
The force that pulled the cloud into a flat disk shape is called angular momentum conservation.
When the enormous cloud of gas and dust initially condensed due to particle attraction, it started to rotate. As it rotated, the cloud experienced a force known as the conservation of angular momentum.
This force caused the cloud to flatten out into a disk shape. This is because, in order to conserve angular momentum, the rotating cloud needed to redistribute its mass and minimize the distance between particles from the rotation axis.
So, the force responsible for pulling the cloud into a flat disk shape is the conservation of angular momentum, which occurred due to the cloud's rotation.
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10. Which of the following describes how DNA determines genetic inheritance?
A. A single nucleotide codes for a genetic trait
B. A pair of complementary nucleotides codes for a genetic trait.
C. A set of three nucleotides in a specific order codes for a genetic trait.
D. A long sequence of nucleotides in a specific order codes for a genetic trait.
Answer:
d
Explanation:
Your DNA contains a set of instructions that determine how much of a particular protein to create, which is called “gene expression.” And a number of different factors can influence the expression of a particular gene.
According to genetic inheritance, the correct option is "D" A long sequence of nucleotides in a specific order code for a genetic trait.
What is inheritance?Inheritance is the procedure by which genetic data is passed on from parent to child. This is why components of the same family tend to have similar characteristics. Inheritance describes how genetic material is passed on from parent to child.
Thus, the correct option is "D".
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Which human job is most similar to the role of a producer?
A
Business entrepreneur
B Energy plant worker
C
Waste management specialist
D
Restaurant critic
male pattern baldness has a genetic switch that turns on in response to:
Male pattern baldness has a genetic switch that turns on in response to a combination of genetic factors and hormones. The primary genetic factor involved is an inherited sensitivity to the hormone dihydrotestosterone (DHT).
DHT is a byproduct of testosterone that binds to hair follicles and causes them to shrink over time. The genetic switch, known as the androgen receptor gene, is activated in the presence of DHT, leading to a process called miniaturization.
Miniaturization gradually reduces the size and productivity of hair follicles, resulting in thinner and shorter hair strands until they eventually stop producing new hair altogether. While hormonal factors trigger the genetic switch, the underlying cause of male pattern baldness is primarily genetic in nature.
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DNA double helix. Hydrogen bonds break and helix opens. Each strand of DNA acts as a template for synthesis of a new, complementary strand. Replication produces two identical DNA double helices, each with one new and one old strand.
Answer:
The process described above is known as DNA replication.
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Which components of the female reproductive system are not physically connected?.
The components of the female reproductive system that are not physically connected are the cervix and uterus.
The female reproductive system is a system that produces the female sex cells and transports them to the place where they are fertilized by sperm. It also gives the place for the fetus to develop.
Cervix is the passage at the opening of the female reproductive system while the uterus is the place where a fetus develops. Both of them are not physically connected to one another.
Most of the other components of the female reproductive system, such as ovaries, fimbriae, and fallopian tubes are physically connected with each other in some ways.
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In a population experiencing exponential growth, as the size of the population increases, the number of new individuals getting added to the population each generation remains the same each year.
a) true
b) false
Answer:
false
Explanation:
because some people pass on and it's not possible for humans to increase every decade
MATCHING match the macromolecules with its function and example.
A) proteins
B) nucleic acids
C) lipids
D) carbohydrates
Answer: i dont know the others but i think 92.) is carbohydrates
Explanation:
The Smiths went to dinner at Cheesecake Factory and their bill was $123.75 plus 7.5% sales tax. What is the total bill? Round to the nearest cent.
The total bill that was given to the Smiths at the Cheesecake factory was $133.03
An equation is an expression used to show the relationship between two or more numbers and variables.
Given that the Smiths bill was $123.75 plus 7.5% sales tax. Hence:
Total bill = $123.75 + Sales tax
Sales tax = 7.5% of bill = 0.075 * $123.75 = $9.28
Total bill = $123.75 + $9.28 = $133.03
The total bill that was given to the Smiths at the Cheesecake factory was $133.03
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30 POINTSSSSS !!!!!!!!!! NEEEED HELPPP what is a organism (NOT A PLANT) that uses chemosynthesis, photosynthesis, and cellular respiration??
Answer:
Bacteria and Fungi uses the above.
Answer:
Bacteria and fungi.
Explanation:
In the example illustrated in the image above, a substance is moved _______BLANK its concentration gradient using the energy of ______________BLANK.1. Against; an electrochemical gradient.2. Against ATP3. Down; and electrochemical gradient.4. Down; ATP.
In the example illustrated in the image above, a substance is moved Against ts concentration gradient using the energy of an electrochemical gradient.
Differential concentrations of a substance across a space or a membrane are called simple concentration gradients. However, gradients in living systems are more complicated. There is also an electrical gradient, or difference in charge, across the plasma membrane because proteins in cells, which are mostly negatively charged and do not move across the membrane, and ions move into and out of cells. The extracellular fluid in which living cells are bathed has an electrically negative effect on their interior.
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What is visual reinforcement audiometry?
VRA is a safe and non-invasive procedure that can be used on infants as young as six months old.
How we can more study about VRA?Visual reinforcement audiometry (VRA) is a type of hearing test that is commonly used to assess the hearing ability of young children who are unable to cooperate with traditional hearing tests.
During the test, the child sits on a parent's lap or in a highchair in a soundproof room.
The audiologist or hearing specialist uses speakers to emit sounds at different frequencies and volumes.
When the child looks toward the direction of the sound, a visual reward, such as a flashing light or a toy, is activated.
This reinforces the child's response to the sound and encourages them to continue responding.
The sounds are presented at increasingly quieter levels to determine the softest level at which the child can hear.
The results of the test can help to identify any hearing impairments that the child may have and inform recommendations for appropriate intervention or treatment.
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¿Cómo puede el río cambiar el lugar de la topografía?
Answer:
Los mapas topográficos utilizan el sistema de representación de planos acotados, mostrando la elevación del terreno utilizando líneas que conectan los puntos con la misma cota respecto de un plano de referencia, denominadas curvas de nivel, en cuyo caso se dice que el mapa es hipsográfico.
Explanation:Además de los campos mencionados anteriormente, la topografía es fácilmente aplicable a cualquier trabajo o proyecto donde se necesite realizar planos, obtener datos de un terreno y ubicar puntos en la superficie terrestre con gran precisión y rigurosidad técnica.Es posible determinar la posición de un punto sobre un plano horizontal: a partir de un solo punto conocido, por levantamiento de poligonales , un método que consiste en medir distancias horizontales y azimut a lo largo de una línea quebrada (ver Sección 71);
How could the movements of the planets in the solar system be used as evidence for how the solar system formed?
These differences in the planets' characteristics suggest that they formed differently in the early solar system.
The movements of the planets in the solar system can be used as evidence for how the solar system formed in several ways. The formation of the solar system is believed to have occurred around 4.6 billion years ago from a giant cloud of gas and dust.
Here's how the planets' movements can be used as evidence:Planets revolve around the sunThe planets in the solar system move around the sun in elliptical orbits. This phenomenon is Kepler's First Law, which states that planets move in ellipses with the sun at one focus.
This observation confirms that the sun's gravity played a crucial role in the formation of the solar system. The gravitational pull of the sun caused the matter in the cloud to move toward the center, eventually forming the sun. Similarly, it caused the leftover material to clump together and form planets.
Planets move in the same planeThe planets of the solar system orbit in the same plane. This is Kepler's Second Law, which states that planets sweep out equal areas in equal times. This observation is consistent with the theory that the planets formed from a spinning disc of gas and dust around the sun.
Planets' rotational and orbital characteristics varyThe solar system's inner and outer planets have different rotational and orbital characteristics. The inner planets (Mercury, Venus, Earth, and Mars) are small and rocky, while the outer planets (Jupiter, Saturn, Uranus, and Neptune) are larger and gaseous.
The inner planets are close to the sun and have short orbital periods, while the outer planets are far from the sun and have longer orbital periods.
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What is the quotient of 513 divided by 19
Dendritic cells present _____ antigens on class i mhc through a process known as cross presentation. a. endogenous b. exogenous c. bacterial d. viral e. complex
Dendritic cells present exogenous antigens on class I MHC through a process known as cross presentation.
A particular class of immune cell that is present in tissues like the skin and stimulates immunological responses by exposing antigens to other immune system cells. A form of phagocyte and antigen-presenting cell(APC) is a dendritic cell .
MHC class II (MHC II)-bound antigen-derived peptides are presented by dendritic cells (DCs) and B cells for recognition by CD4-positive T lymphocytes. By controlling the ubiquitination of MHC II, DCs manage the intracellular movement of peptide-MHC II complexes.
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Jorge wants to gain weight, primarily as lean tissue. In addition to performing resistance exercise regularly, he should Multiple Choice avold berobic activities on the days he doesn't in welghts and out about 50% of total calories from saturated fat Increase his protein intake to 60% of total energy intake, est more complex carbohydrates, and take a multivitamin/multimineral supplement O supplement his diet with essential amino acids and limit bis total fat intake to no more than 10% of total kilocalories add nutrient-dense, healthy sources of energy to his diet, including futty fish, whole grain cereais, nuts, peanut butter and olive oil
Answer:50% + 60%+ 10% =120
Explanation:
Jorge wants to gain weight, primarily as lean tissue. In addition to performing resistance exercise regularly, he should (B).Eat more complex carbohydrates and take a multivitamin/multimineral supplement is correct option.
To gain weight primarily as lean tissue, Jorge should focus on a balanced and nutritious diet along with his resistance exercise routine. Increasing protein intake is important, but an intake of 60% of total energy is excessive and not recommended. Instead, a moderate increase in protein intake is advisable.
Adding complex carbohydrates will provide energy for workouts and recovery, and a multivitamin/multimineral supplement can help ensure he's getting all necessary nutrients. The other options mentioned may not be suitable or balanced strategies for Jorge's goal.
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1. Which of the following groups of organisms are homeotherms?
a. reptiles and birds
b. birds and mammals
c. mammals and reptiles
d. reptiles, birds, and mammals
Answer:
Birds and mammals is a group of homeotherms
true or false? in most fungi, fertilization is complete after the cells fuse together.
Answer:
True
Explanation:
In most fungi, fertilization is complete after the cells fuse together. in most fungi, fertilization is a two-step process consisting of the fusion of cells and then the fusion of nuclei in the fused cells. Where does meiosis occur in a mushroom?
define and describe osmosis
Answer:
Movement of a solvent (such as water) into a solution with a higher solvent concentration by means of a semi-permeable membrane (as from a live cell), which tends to equal solute concentrations in the membrane on both sides.
Explanation:
Osmosis, the spontaneous transition, distribution, or diffusion of water and other solvents over a semipermeable membrane. In 1877, a German physiologist, Wilhelm Pfeffer, researched the process, which is important in biology.
Osmosis is the passage of water down its concentration gradient, across a semi-permeable membrane. An everyday example is a plastic wrap in your kitchen: it allows air and water vapor to move across it, but no water or food. The membranes of cells are semi-permeable, too.
Which of the following answer choices BEST supports the idea that most attempts by scientists to create new elements will fail?
The answer choice which best supports the idea that most attempts by scientists to create new chemical elements will fail is that: (D) scientists have to repeat their experiments an enormous number of times; if it works once it's seen as a success.
What is a chemical element?A chemical element can be defined as a pure substance that comprises atoms having the same atomic number (number of protons) in its nuclei and as such, it is the primary constituent of matter. Also, a common characteristics for all chemical elements found on the periodic table is mass and volume.
In Chemistry, some examples of a chemical element include the following:
Carbon (C)Oxygen (O)Argon (Ar)Sodium (Na)Potassium (K)Mercury (Hg) Hydrogen (H)Zinc (Zn)In this scenario, we can reasonably infer and logically deduce that a statement which indicates that an attempt by scientists to create new chemical elements will fail is stating that "scientists have to repeat their experiments an enormous number of times; if it works once it's seen as a success." because an experiment to create new chemical elements must be tested and they all should have multiple successful results.
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Complete Question:
Which of the following answer choices BEST supports the idea that most attempts by scientists to create new elements will fail?
(A) Scientists have to create a target with a carefully chosen atom; this is a process that takes months.
(B) Scientists have to smash atoms together and get them to stick; a positive charge makes them repel each other.
(C) Scientists have to bombard particles with specific protons; specialized atoms combine with neutrons.
(D) Scientists have to repeat their experiments an enormous number of times; if it works once it's seen as a success
superior vena cava syndrome is a result of a progressive increase of which process?
superior vena cava syndrome is a result of a progressive increase of thrombosis or external compression
Thrombosis occurs when blood clots block your blood vessels. There are 2 main types of thrombosis: Venous thrombosis is when the blood clot blocks a vein. Veins carry blood from the body back into the heart.
Venous thromboembolism (VTE) is a condition that occurs when a blood clot forms in a vein. VTE includes deep vein thrombosis (DVT) and pulmonary embolism (PE). DVT occurs when a blood clot forms in a deep veins, usually in the lower leg, thigh, or pelvis.
Being sedentary due to bed rest or sitting too long without moving, such as during travel. Family history of blood clots. Having a long-term (indwelling) catheter, a tube in a blood vessel. Obesity.
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Why does the author present Redi’s experiments first, followed by Pasteur’s experiments?
Redi’s experiments were more important than Pasteur’s.
The author wanted to present the experiments in historical sequence.
Redi’s experiments completely changed the belief in spontaneous generation.
The author wanted to focus on the maggots that were found in the rotted meat.
Answer:
ThE aNsWeR iS b
Explanation:
Bc I gOt It RiGhT
Answer:
B
Explanation:
What can you infer about its phylogeny? place its class on the correct branch of the phylogenetic tree. Identify the key derived characters that distinguish this animal from invertebrate chordates.
Phylogenetic inference is the practice of reconstructing the evolutionary history of related species by grouping them based on shared ancestry.
How to distinguish this organism from invertebrate?If this organism belongs to vertebrates then the notochord is replaced with a spinal cord. This difference is the main feature that separates invertebrate from vertebrate with a backbone.
So we can conclude that presence of backbone is the main difference between invertebrate and vertebrate organism.
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