Asexual reproduction involves one parent and produces genetically identical offspring, while sexual reproduction involves the combination of genetic material from two parents to produce genetically varied offspring. Asexual reproduction allows many offspring to be produced quickly, whereas sexual reproduction provides genetic diversity, potentially increasing offspring survival rates in changing environments.
Explanation:The main difference between asexual and sexual reproduction lies in the biological processes and resulting offspring. Asexual reproduction involves one parent and produces offspring that are genetically identical to that parent, while in sexual reproduction, genetic material from two parents combine to create offspring with genetic variation. Asexual reproduction methods include fission, budding, and fragmentation, making it possible for a single individual to quickly produce a large quantity of offspring that are ideally adapted to a stable environment.
In contrast, sexual reproduction creates a greater genetic diversity in offspring, providing them a higher chance of survival in changing or unpredictable environments. It typically includes processes such as internal or external fertilization of the female's eggs by the male's sperm. However, species that reproduce sexually need to maintain two types of individuals, males and females, which could be a disadvantage compared to asexual reproduction, especially when considered in terms of population growth and colonization of new habitats.
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What requires more energy: Raising the temperature of 20 g of iron (specific heat = 0.412 J/g/K) by 10 K or raising the temperature of 15 g of gold (specific heat = 0.129 J/g/K) by 15 K ?
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The _____ along a gene specifies the type of protein that will be produced.
A.order of RNA bases
B.number of DNA bases
C.order of DNA bases
D.number of RNA bases
ASAP LIKE RIGHT NOW PLEASE
After the discovery of the microscope, many microorganisms were placed into taxonomic categories. What characteristic of science does this show?
It changes with common beliefs.
It changes with new evidence.
It is fixed, since it follows the scientific method.
It is fixed, since it is based on experimentation.
identify each material as a compound or a mixture. Caffeine contains hydrogen, carbon, nitrogen, and oxygen atoms in a fixed ratio.
Answer: it’s a compound
Explanation:
I just did it on edge
Describe the observations that might be seen when a metal reacts with an acid?
Acid is known to be a very strong type of liquid because of it destructive and can wipe almost wipe everything. When it reacts with specific objects, gas is produced. When a metal is poured with acids, it reacts. Salt and hydrogen gas will be produced. Putting an ignited splint in the produced gas when an acid reacts with metal, it fired with a creaky sound, because of the hydrogen produced.
Identify the oxidizing agent in the reaction
SnO2(s)+2C(s)→∆ Sn(l)+2CO(g),
the production of metallic tin from tin(IV)
The oxidizing agent in the reaction is C and the reducing agent is SNO₂.
What are oxidizing and reducing agents?Oxidizing agents are the agents that accept electrons and act as oxidizing agents and do the process of oxidation. An example is hydrogen gas.
The reducing agent is the agent that reduces the reaction or does the process of reduction. Some compounds are reducing agents.
The given chemical reaction is
SnO₂(s)+2C(s)→∆ Sn(l)+2CO(g)
The reaction shows the production of metallic tin from tin IV. IN the given reaction, the reducing agent is the tin, because it does the process of reduction.
Here, the oxidizing agent is the carbon, C which reacts with the oxygen of the reaction and does the process of oxidation.
Therefore, the oxidizing and the reducing agent are C and SNO₂ respectively.
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HELP HELP ME PLEASE!!!!!!!
Which statement best summarize the relationship between the muscular system and the cardiovascular system?
A. The heart is protected from injury by the breastbone.
B. Nutrients are carried to the heart through arteries and veins
C. Messages are carried by nerves between the brain and the heart.
D. The heart contract and expands as it pumps blood through the body
And how do I explain that I know the answer???
Final answer:
The muscular system and the cardiovascular system are closely related. The heart, a key component of the cardiovascular system, is a muscular organ that pumps blood. Nutrients and other substances are transported throughout the body by arteries and veins.
Explanation:
The relationship between the muscular system and the cardiovascular system can be summarized as follows:
The heart is a muscular organ that contracts and expands as it pumps blood through the body. It is the central component of the cardiovascular system.
Nutrients, oxygen, hormones, and other substances are carried to the heart and throughout the body by arteries and veins, which are part of the cardiovascular system.
what is the definition of chemistry
the branch of natural science which deals with the study of matter properties constituent particle at a molecule its structure effect energy is called chemistry
chemistry is mainly concerned with the study of structure of matter composition property along with the method of transformation of one form of matter into another us anything which has mass occupies space is matter therefore chemistry is related with Whole Universe it is not only restricted to laboratory but is also related with the process occurring within around us it is in one of the Other form related with micro bacteria ripening of food it is etc
Kevlar is a synthetic polymer that was marketed for the first time in 1971. It is difficult to cut and does not shrink when exposed to cold temperature. It will not rust or corrode, and it can be immersed in water without being affected. Kevlar has low chemical reactivity and is an insulator. It is flame resistant and will not melt or soften at high temperatures. How could this negatively affect society? A) It will not chemically react to acid rain like many other materials. B) Tire companies will not sell as many tires since they would not fail as easily. C) It would be more difficult and costly to dispose since it does not naturally break down easily. D) Bullets will no longer be able to penetrate materials made of Kevlar as easily as other materials.
Answer:
The correct option is C
Explanation:
The negative impact of kevlar in the society is that it can not just be disposed via conventional methods. It's resistance to flame and and high temperature means burning it will not dispose it. Also, its water resistant property means kevlar will obstruct drainages if thrown in the drainage - because when it piles up, water will not be able to pass through it hence obstructing the flow of water. It being difficult to cut, with its low reactivity and it's non-corrosive property means it will be very difficult and expensive to dispose
As the puck falls Its Kinetic energy A. Stays the same B. Increases C. Decreases
As the puck falls, its kinetic energy increases. Therefore, the correct statement is option B.
What is law of conservation of energy?As the puck falls, its kinetic energy increases. This is due to the conversion of potential energy (stored energy due to the puck's position above the ground) into kinetic energy (energy of motion). As the puck falls, it gains speed and its kinetic energy increases.
Kinetic energy is the energy of motion that an object possesses. According to law of conservation of energy, energy cannot be created or destroyed, it can only be transferred from one form to another. As the puck falls, its kinetic energy increases due to the conversion of potential energy into kinetic energy (energy of motion).
As the puck falls, it gains speed and its kinetic energy increases. Therefore, as the puck falls and gains kinetic energy, an equivalent amount of potential energy is lost.
Therefore, when the puck falls, kinetic energy is increased.
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what is being cycled??
A mixture made of two or more elements, at least one of which is a metal, is called a(n)
A mixture made of two or more elements, at least one of which is a metal, is called an alloy.
Alloy is defined as a mixture of metallic phases or mixture of chemical elements in which one element must be a metal. For the formation of alloys two or more elements are mixed, on of which is essentially a metal. The other constituent in an alloy may or may not be metal.
A drought is best defined as
A car dives a constant speed of 65mph how far it traveled in 4 hours
Answer:
The car traveled 260 miles in 4 hours.
Explanation:
Speed of the car = S = 65 mile/hr
Duration of time when the car was at speed S = T = 4 hours
Distance covered by car in T time = D
[tex]Speed=\frac{Distance}{Time}[/tex]
[tex]Distance = Speed\times Time[/tex]
[tex]D=65 mile/hr\times 4 hr=260 mile[/tex]
The car traveled 260 miles in 4 hours.
When a green powder is heated,it turns black and gas is produced.Is this a reversible or irreversible change?Explain your answer.
Answer:
irreversible change
Explanation:
It is an irreversible process, since when the green powder is heated and turns black, producing a gas, new chemical compounds are formed. A similar example is the reaction to the decomposition of copper carbonate, which is heated to produce carbon dioxide. The reaction is as follows:
CuCO3 (g) → CO2 (g) + CuO (s)
Why does light refract or bend when going through glass or water
Answer: change in velocity of light at the boundary between two media.
Explanation:
The speed of light changes at the air-glass or air-water boundary. The speed of light in air is different from the speed of light in glass or water. Hence, as light approaches the interface of the two media, its speed changes accordingly thereby causing the light rays to bend at the interface of the two media. This bending of light is called refraction.
¿Cuál es el volumen (en mL) necesario para diluir 100.0 mL de una solución de CaC2 5.00 M
para obtener una solución 0.750 M CaC2?
Alexandra decides to climb Mt. Krumpett, which is 5000 m high. She determines that this will require a total of 1350 kcal of energy for the trip. For her food supply, she decides to take nutrition bars. The label states that each bar contains 50 g of carbohydrates, 10 g of fat, and 40 g of protein. How many nutrition bars does Alexandra need to take with her?
Alexandra needs to take 3 nutrition bars with her for the trip.
Explanation:To calculate the number of nutrition bars Alexandra needs to take with her, we need to determine the total energy provided by each bar. According to the label, each bar contains 50 g of carbohydrates, 10 g of fat, and 40 g of protein. To calculate the energy content, we can multiply the amount of each nutrient by the energy value per gram. Carbohydrates and proteins provide 4 kilocalories (kcal) per gram, while fats provide 9 kcal per gram.
Energy from carbohydrates: 50 g * 4 kcal/g = 200 kcal
Energy from fat: 10 g * 9 kcal/g = 90 kcal
Energy from protein: 40 g * 4 kcal/g = 160 kcal
Total energy per nutrition bar: 200 kcal + 90 kcal + 160 kcal = 450 kcal
To determine the number of bars Alexandra needs, we can divide the total energy required for the trip (1350 kcal) by the energy provided by each bar.
Number of nutrition bars needed: 1350 kcal / 450 kcal/bar = 3 bars
Question: A boy swimming in a lake smacks the surface of the water with his hand, creating sound waves that travel through the water and air. Which will hear the sound sooner, a fish swimming 5 m below the surface of the water, or a bird flying 5 m above the surface of the water? Justify your answer by discussing how sound travels through a medium.
Sound waves are the waves generated from the sound source and are composed of rarefactions and compressions, they are of longitudinal, pressure and mechanical wave types.
A fish swimming 5 m below the surface of the water will hear the sound first.
What are the characteristics of the sound waves?A sound travels in a medium depending upon the amplitude, time period, frequency, velocity and wavelength.
A sound wave travels faster in the water as the particles are closely packed compared to the air and the water is denser as compared to the air.
The particles in the air are loosely and distantly placed making them less dense and hence the sound travels slower in the air.
Therefore, fish will hear the sound first.
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Suppose you were doing the experiment with a 50 mL syringe. How many mL would you pull the plunger for each reading?
Final answer:
The mL increment to pull the plunger for each reading depends on the experiment's needs; for a 50 mL syringe, one might use 5 mL or 10 mL increments for convenience and ease of measurement.
Explanation:
To answer the question regarding how many milliliters (mL) you would need to pull the plunger of a syringe for each reading, it's crucial to understand that this will depend on the specific requirements of the experiment or what the experiment is aiming to measure. If no specific increments are given in the experiment details, a common approach is to pull the plunger in regular intervals that make sense for the total volume of the syringe and the level of precision required. For example, if you are using a 50 mL syringe, you might choose to pull the plunger 5 mL at a time to obtain ten readings for the full range, or 10 mL at a time for five readings, as these increments allow for relatively easy reading and measurement.
Which material is the lest likely to be recognized as a mixture by looking at it under a microscope ?
A . Suspension
B . A colloid
C . A homogeneous mixture
D . A heterogeneous mixture .
how does a combustion reaction differ from other types of chemical reactions?
A combustion reaction involves a substance reacting with oxygen to release energy, distinct from other chemical reactions by the presence of oxygen and energy production. Examples include the burning of methane or hydrogen gas, providing essential energy for society.
Explanation:A combustion reaction is a specific type of chemical reaction where a substance combines with oxygen (O₂) and releases energy in the form of light and heat. This is different from other chemical reactions because combustion specifically involves oxygen as a reactant and the production of energy. For example, the combustion of methane on a kitchen stove is represented by the equation CH₄ + 2O₂ → CO₂ + 2H₂O + Heat, where methane (CH₄) reacts with oxygen, producing carbon dioxide, water vapor, and heat. Other notable examples include the combustion of hydrogen gas, which produces water vapor: 2H₂ (g) + O₂ (g) → 2H₂O(g). Combustion reactions are essential in providing the energy that powers our societies, such as in producing electricity, transportation, and heating, but they are also a major contributor to global climate change.
what are fragments of dust, soil, salt, smoke and ash upon which water vapor condenses to make clouds
This is science btw
Answer:
Particulate matter
Explanation:
The particulate matters are defined as the aerosol particles that are found to be present freely in the atmosphere. They are the mixture of dust, soil, salt, liquid drops, smoke and ashes. They can be formed both naturally and from the anthropogenic activities. These smaller particles present in the water vapor undergoes condensation, forming liquid and ice on the surfaces of dust particles present in the atmosphere. With more frequent condensation of water vapor, results in the formation of clouds.
Bees and flowers both belong to the domain Eukarya. Using this information, how are bees and flowers similar?
Both must belong to the same kingdom as well.
Both are made of cells that contain a nucleus.
Both are made of cells without any membranes.
Both are some of the oldest types of organisms found on Earth.
40 points
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I think it would be both must belong to the same kingdom???
Which of the following can be used to find the identity of an unknown organism?
Branching tree
Derived shared characteristic
Cladogram
Taxonomic key
which part of the circulatory system is responsible for exchanging nutrients and waste
Sex-linked disorders occur more frequently in males than females because males have two X chromosomes and females have two Y chromosomes. is this true or false?
Hey man forgets that he said his coffee cup on the top of his car he starts to drive in the coffee cup rolls off the car onto the road how does the scenario demonstrate the first law of motion
Since the beginning of time, some people have believed that the Earth is flat. Beginning around 300 B.C., however, some began to wonder if the Earth is actually spherical in shape. Those that favored the flat Earth theory made the following observations: The Earth is stable because it is a flat landmass sandwiched between a flat layer of air and a flat layer of water. If the Earth is spherical, then oceans should be curved on top, but they aren't. Some rivers flow for hundreds of miles but only fall a few feet. The rivers should fall farther if the Earth is spherical. If the Earth is spherical, people and animals that inhabit the Earth would notice as they walked along its surface. Since mariners are able to use flat compasses to navigate their ships without crashing, the Earth must not be a sphere. Those that disputed the flat Earth theory countered the claim by observing that Christopher Columbus was able to sail around the Earth without falling off the edge and later, by presenting satellite imagery taken from space of a spherical Earth. This example demonstrates that
Answer:
argumentation is a necessary part of scientific inquiry.
Explanation:
Answer:
argumentation is a necessary part of scientific inquiry.
Explanation: