What would be the main problem with reproduction if meiosis did not take place to form sex cells?

The zygote would have two nuclei.
Fertilization would result in a zygote with half as many chromosomes as the parents.
Fertilization would result in a zygote with twice as many chromosomes as the parents.
The zygote would have no nucleus.

I believe the correct answer is B. Detrital

Final answer:

The primary curves of the vertebral column are the thoracic curve and the sacrococcygeal curve. These curves increase the vertebral column's strength, flexibility, and ability to absorb shock.

Explanation:

The primary curves of the vertebral column are the thoracic curve and the sacrococcygeal curve. These curves are called primary curves because they are retained from the original fetal curvature of the vertebral column. The thoracic curve involves the thoracic vertebrae, while the sacrococcygeal curve is formed by the sacrum and coccyx. These curves increase the vertebral column's strength, flexibility, and ability to absorb shock.

A scientific law describes what occurs every time in a situation. A scientific law is a statement based that is developed from repeated experiments that describe any occurrence in the Universe that will apply anywhere under the same conditions. The term "scientific law" is traditionally associated with the natural sciences, though the social sciences also contain laws. An example of a scientific law in social sciences is Zipf's law. Newton's theory of gravitation, theory of gravitation, theory of gravity. law of gravitation, Newton's law of gravitation - (physics) the law that states any two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

The first of the three most basic scientific laws is the First Law of Thermodynamics. This law states that neither matter nor energy may be created or destroyed, but they may change forms. This law of science suggests that matter must be eternal.

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Final answer:

The gravitational acceleration (g) on the planet where a 70 kg person weighs 1750 N is calculated to be 25 m/s² by using Newton's second law (F = ma).

Explanation:

The question pertains to the calculation of gravitational force on a person with a known mass on a different planet and finding the acceleration due to gravity (g) on that planet. In this scenario, a 70 kg person weighs 1750 N on another planet. The formula to find the acceleration due to gravity is given by Newton's second law (F = ma), where F is the force (weight) and m is the mass, and a is the acceleration due to gravity.

To find the value of g on the planet, we rearrange the formula to solve for a (which represents g in this context): g = F/m. By substituting the given values, g = 1750 N / 70 kg, we can calculate the gravitational acceleration on the planet. The calculation is as follows:

g = 1750 N / 70 kg = 25 m/s²

Therefore, the value of gravitational acceleration (g) on the planet is 25 m/s².

Answer:

The formula of glucose here states that it has 6 carbon molecules, 12 hydrogen molecules and 6 oxygen molecules.

Explanation:

Glucose is a product of photosynthesis is formed by the combination of carbon dioxide molecules and water molecules in the presence of sunlight.

Here, six carbon dioxide molecules would have reacted with six water molecules to produce a glucose molecules and release of 6 oxygen molecules.

Answer:

The Coriolis force

Explanation:

The wind generally blows from a region of high pressure to a region of low pressure. This wind when blows in a much larger scale, that is moving from the polar region to the equatorial region, it gets deflected towards the right due to the earth's rotation about ts own axis. This effect is called the Coriolis force.

The Coriolis force is the force that occurs due to the continuous rotation of the earth. Due to this effect, the wind in the northern hemisphere moves in a clockwise pattern, whereas in the southern hemisphere, it moves in an anticlockwise direction.

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B. the importance and limits of political power

Niccolo Machiavelli was an eminent Italian author and statesman who in his best-known work, The Prince, described the means by which government may gain and maintain its power. He believed in gain of power by whatever means and to maintain it for long period of time. He said that gaining power is the only way to live with honor because the world is a place for the fittest people and not the weak ones. This famous theory is known as Realism in Political Science.

Answer:

B. The importance and limitis of political power

Explanation:

Machiavelli wrote The Prince in 1513, just after he was forced to leave Florence as a political exile. Dedicated to Lorenzo de’ Medici, the book is Machiavelli’s advice to the current ruler of Florence on how to stay in power. It was also his effort, though unsuccessful, to gain an advisory post in the Medici government. The Prince was not published until five years after Machiavelli’s death.

Machiavelli’s treatise makes a clear break from the Western tradition of political philosophy that preceded him. Beginning with Plato and Aristotle, the thinkers of this tradition were concerned with issues of justice and human happiness, and with the constitution of the ideal state. Until its final chapter, The Prince is a shockingly direct how-to manual for rulers who aim either to establish and retain control of a new state or to seize and control an existing one. Rather than basing his advice on ethical or philosophical principles, Machiavelli founds his political program on real-life examples. When explaining what a prince should or should not do in pursuit of his ambitions, Machiavelli cites the actions of well-known historical and contemporary leaders, both successful and unsuccessful. Throughout The Prince, Machiavelli explicitly aims to give an unsentimental analysis of actual human behavior and the uses of power. “I have thought it proper,” Machiavelli writes of a prince’s conduct toward his subjects, “to represent things as they are in a real truth, rather than as they are imagined” (p. 49).

Answer:

"two ages o'er his native realm he reign'd"

Explanation:

Peripheral neurons are of two types, sensory and motor. Sensory (afferent) neurons bring information about the world within and around the body from sense organs to the brain and spinal cord, while motor (efferent) neurons carry messages from the brain and spinal cord out to the muscles and glands.

The median nerve is most likely responsible for passing the information from the brain to the hand. As it furnishes motor functions to the wrist, hand, and forearm.

A nerve may be defined as a glimmering white cord-like bundle of fibers in the body of an organism that usually transmits impulses of sensation to the brain or spinal cord, and impulses from the brain to the muscles and organs.

The median nerve provides the motor function to the specific organs of the body through motor neurons. Motor neurons typically transmit impulses of sensation from the brain and spinal cord to the muscles and specific organs.

This function of motor neurons is very vastly studied under the classification of the Peripheral nervous system.

Therefore, it is well described above.

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Answer: Movement of pollutants through the groundwater.

Explanation:

Groundwater is the water that accumulates below the surface of earth crust. This water forms the part of geosphere. The water from river, lakes, ponds and rain seep below the surface of ground through small pores present between the soil aggregates and rocks.

According to the given situation, sand and gravel forms the part of earth crust. The water here is the part of groundwater. The food coloring here is the example of pollutants which seep inside the pores present between the sand and gravel. Hence, polluting groundwater.

Answer:

The correct answer would be none of the above.

Explanation:

Chordata has 5 major characteristics that they have at some stage in their lives, a dorsal tubular nerve cord, a notochord, pharyngeal gill slits, a post- tail, and a thyroid/endostyle gland.

The notochord is a flexible, rod-like structure that is present in the development stage of all chordates and reason for the name of the phylum. Nerve cord is rise from the ectoderm and develops into a hollow tube. pharyngeal gill slits let water enter and exit the mouth during feeding.

Thus, the correct answer would be none of the above.

Answer: Filtration of pollutants

Explanation: The filtration of pollutants is not a way by which the energy producing technologies will affect the aquatic viability.

This is because removing the pollutants from water will improve the overall quality of water and it will not affect the viability of water. The flowing water or still water is highly polluted and it affects the aquatic life adversely.

To conquer these problem filtration of pollutants is necessary and this technique removes all the pollutants from water and makes the water clean without affecting its viability.

Answer:

I am on the same question it wont let me comment on their answer but its a model of the moon

Explanation:

Science relies on observation, measurement, and experimentation. Ichthyology best be characterized as science. The correct options are a and d respectively.

Science is dependent on experimentation, measurement, and observation. By using methodical observation, measurement, and experimentation to comprehend and explain the natural world, science sets itself apart from other disciplines.

In order to create knowledge and make accurate forecasts, it applies the scientific process and empirical evidence.

Fish are studied in the scientific field of ichthyology, along with their morphological and behavioural traits.

It collects information, analyses discoveries, and adds to our understanding of fish biology by experimentation, observation, and the use of scientific methods.

Ichthyology is a recognised branch of research that adheres to the rules and procedures of the scientific process, setting it apart from mythology, cryptozoology, and pseudoscience.

Thus, the correct options are a and d respectively.

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Your question seems incomplete, the probable complete question is:

1) What distinguishes science from other disciplines that do not use scientific methods?

a) Science relies on observation, measurement, and experimentation.

b)Science relies on fixed experimental results that cannot be changed over time. c)Science can answer all questions about the natural world through d)experimentation. Science relies on anecdotal evidence that may or may not be measured and verified.

2)Ichthyology is an area of study that examines the physical and behavioral characteristics of fish by using experimentation. How would Ichthyology best be characterized?

A. Pseudoscience

B. Cryptozoology

C. Mythology

D. Science

Final answer:

Science is distinguished by its reliance on observation, measurement, and experimentation to study the natural world. Science is not static, adapts over time, cannot answer all questions, and does not rely on anecdotal evidence. Ichthyology is best characterized as a science.

Explanation:

Science is distinguished from other disciplines that do not use scientific methods by several factors:

Science relies on observation, measurement, and experimentation, which are methods for acquiring data about the natural world and developing testable hypotheses.

Science does not depend on fixed experimental results that cannot be changed over time. Instead, it is a dynamic process that allows for the evolution of understanding as new evidence comes to light.

While science tries to explain natural phenomena, it doesn't claim to have answers for all questions about the natural world, recognizing that some areas such as morality, aesthetics, or spirituality fall outside its scope.

Science does not rely on anecdotal evidence, which cannot be measured or verified consistently.

Concerning the study of ichthyology, it is characterized best as a science because it examines the physical and behavioral characteristics of fish by employing the scientific method through observation and experimentation.

Metamorphic rocks are unlikely to be found in a riverbed.

The correct answer is c. In a riverbed. Metamorphic rocks are formed through intense heat and pressure deep within the Earth's crust. While they can be found deep within a mountain (option a), two thousand feet below the Earth's surface (option b), and in an area where tectonic plates are colliding under great pressure (option d), they are unlikely to be found in a riverbed (option c) where erosion and transportation processes would prevent their formation.

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In which of the following places would you LEAST likely find a metamorphic rock?

a. Deep within a mountain

b. Two thousand feet below the Earth's surface

c. In a riverbed

d. An area where tectonic plates are colliding under great pressure

The three (3) common patterns of population distribution include the following:

I. Clumped.

II. Uniform (evenly spaced)

III. Random.

A population can be defined as the total number of living organisms such as animals, plants and human beings that are living together in a specific geographical region (location), at a particular period of time.

Population distribution can be defined as a pattern that describes where people are living in a specific geographical region (location), at a particular period of time.

Hence, population distribution shows the pattern of how people are spread across specific geographical region (location), at a particular period of time.

Generally, the three (3) common patterns of population distribution are:

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The hardness of the water increases as the scale grows from 1 to 10. Therefore, the statement is false.

The scale at which the hardness is measured is known as the Mohs scale. This scale is used to measure the concentration of the mineral in the water. The range of the scale is from 1 to 10.

The softest water will get a score of 1 whereas the hardest will be 10. For example, talc power is the softest having a score of 1 whereas diamond is the hardest material having a score of 10.

Identification of the hardness of the material is important to find out. The score of the hardness will help in understanding the properties of the material. The properties of water resistance are permanent distortion, penetration, and scratching.

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Answer:

B. Competitive Exclusion

Explanation: