Answer:
did not suffer any major wars
Explanation:
Answer:
The Roman Empire, at its height (c. 117 CE), was the most extensive political and social structure in western civilization.
Terms in this set (8)
gov. a federation of many self-ruled cities and states rather than a uniform bureaucratic state.
citizenship, laws, and legal penalties. not uniform but varied according to the status. ...
senate. ...
infantry. ...
other religions. ...
slaves. ...
patriarch of a family. ...
roman women.
Explanation:
What is the difference between a mature and immature animal?
Answer:
A mature animal will have been fully developed whereas an immature animal will not be fully developed. In a mature animal, all stages of development will have occurred whereas in an immature animal not all developmental stages would have occurred.
A mature animal will be better adapted to live in an environment as compared to an immature animal.
Mature animals have reached reproductive age, can survive independently, and have learned behaviors that aid their survival, while immature animals are still developing physically and behaviorally, and depend on parental care.
Explanation:Difference Between Mature and Immature Animals
The terms mature and immature refer to distinct life stages in the development of animals. A mature animal has reached a stage where it can reproduce and has developed sufficient physical and behavioral characteristics to survive independently in the wild. On the other hand, an immature animal is still in the process of growth and development, and typically relies on parental care. Immature animals may not yet have the full capability to survive on their own and have not reached sexual maturity. For example, in mammals, this period of immaturity is longer as compared to other animals, involving learning social and physical environmental aspects.
Mature animals often have advantages over immature ones, including better survival skills learned through experience, which in the evolutionary context, means that they are more successful in propagating their genes. Furthermore, mating rituals and societal behaviors may favor the reproductive success of mature animals over their younger counterparts.
These differences can be crucial, particularly in species that nurture their offspring over a significant period, as investment in the development of an immature animal is substantial. Thus, the distinction between mature and immature animals is not only based on physical maturity but also includes learned behaviors and the ability to successfully interact with their environment.
How is energy gained through the process of photosynthesis
Answer:
Energy is gained when the light energy that gets taken in by the chloroplasts turns water and carbon dioxide into glucose, which the plants use as food, and oxygen gas, which is released.
RS = 4(x-3)+6 and RT = 5(2x-6)
The value of x = 4
Explanation:
RS = 4(x-3)+6
= 4x-12+6
= 4x-6
RT = 5(2x-6)
= 10x-30
Showing left hand side is equal to right hand side.
4x-6 = 10x-30
Divide both left hand side and right hand side by 2, we get:
2x-3 = 5x-15
Rearrange both the sides
-3+15 = 5x-2x
12 = 3x
x = 4
Thus, the value of x is 4
Euglena is a unicellular organism with both chloroplasts and mitochondria. If scientists remove all of the chloroplasts from a Euglena and can no longer perform photosynthesis? How would it have to get its food?
Answer: euglena can feed as an heterotrophs (feeding on other organism)
Explanation:
Euglena takes in nutrient by taking in dissolved organic compound by osmosis for nutrition, and can survive without light.
Euglena absorbs the food directly through the cell membrane , entraps the food particles in a vacoule for digestion.
energy is a form of "smart" energy that can be used to heat water for homes. (1 point)
Electrical
Nuclear
Solar
Chemical
Answer:
Solar energy is a form of smart energy that can be used to heat water for homes.
Explanation:
Solar radiation, as it's well known, is capable of providing light and heat to the planet. The characteristics of the energy provided by the sun make it possible the use as an accessible, clean and cheap energy source.
Solar energy has properties that make it a form of smart energy:
It's a natural energy sourceClean energy and doesn't represent a risk for the environment. It's a renewable energy source. It's always available and economical.Solar panels are devices that have been designed to capture energy from the sun and turn it into a source of energy for households. When talking about smart energy, solar energy represents a useful alternative for home use, including the action of heating water.
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Final answer:
Solar energy can be used to heat water for homes through various methods such as photovoltaic panels. It is a form of "smart" energy and renewable and sustainable source of energy.
Explanation:
Solar energy is a form of energy that can be used to heat water for homes. It can provide direct heat or make electricity via photovoltaic (PV) panels or in a utility-scale solar thermal installation.
Other forms of energy commonly encountered include electric energy, chemical energy, radiant energy, nuclear energy, and thermal energy.
Scientists and engineers have developed various ways to harness energy from the sun, such as using solar cells to directly convert sunlight into electricity.
4. What can color, texture, and porosity tell us about the quality of the soil?
All the soils are made up of water, organic matter, air, and the mineral particles, but the combinations of all these elements determine the soil’s texture, colour, and porosity. This will help the people to identify the fertility soil.
Explanation:
Soil’s structure referred to the size of the particle which made the soil. Soil texture is very helpful to understand whether the soil is free from draining, how easy to grow plants and how much soil can hold water.Soil’s porosity means the pores which are present in the soil. Pores are very helpful for the movement of water and air through the soil. Healthy soil will have many pores in them.The colour of the soil can vary from black to red to white. The source of the soil colour is from iron and organic matter. The topsoil will be dark due to the presence of organic matter. The single colour indicates that the soil is very drained.what is the action force in a cell?
Answer:
action force. The push of the first object on the 2nd object. friction. A force that opposes the motion of an object.
Explanation:
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Why is the average annual high temperature in Cape Hatteras, NC higher than the average annual high temperature in Monterey, CA?
a) A warm water surface current flows along the east coast of the United States and a cold water surface current flows along the west coast of the United States.
b) A cold water surface current flows along the east coast of the United States and a warm water surface current flows along the west coast of the United States.
c) A cold water deep current flows along the east coast of the United States and a warm water deep current flows along the west coast of the United States.
d) A warm water deep current flows along the east coast of the United States and a cold water deep current flows along the west coast of the United States.
The annual high temperature in Cape Hatteras, North Carolina, is higher than the annual high temperature in Monterey, California, because a warm water surface current flows along the east coast of the United States, which is in Option a.
What is the significance of the warm water?It has many implications, such as the fact that warm water plays a critical role in the ocean's circulation patterns, which have a significant impact on marine life, and that warm water leads to sea-level rise and has a significant impact on coastal communities.
Hence, the annual high temperature in Cape Hatteras, North Carolina, is higher than the annual high temperature in Monterey, California, because a warm water surface current flows along the east coast of the United States, which is in Option a.
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Codominance occurs when
genes are neither recessive nor dominant
O two genes are equally recessive
O two genes are equally dominant
O genes are linked with the X or Y chromosome
Answer: two genes are equally dominant.
Explanation: codominance is a phenomenon in which two genes are able to express themselves phenotypically in an equal proportion in an organism. For instance, a gene for black fur (B) in cattle is dominant and the gene for white fur (W) is also dominant, a cattle that inherited the two genes will have black and white fur mixed together in equal proportion. This is known as codominance.
its d cuz it has to be like Rr or Ss or something like that for it to be co
because R or S is dominate over r or s so it cant be equal domnites or recessive above me is wrong he lies why do you think its called Co dominates oof cant spell
Which situation is not an example of the maintenance of homeostasis in an organism?
A. Guard cells contribute to the regulation of water content in a geranium plant.
B. A runner perspires while running a race on a hot summer day.
C. The release of insulin lowers the blood sugar level in a human after eating a big meal.
D. Water passes into an animal cell causing it to swell
D.
Water passing into an animal cell causing it to swell is NOT an example of the maintenance of homeostasis in an organism.
To make this homeostatic, the cell has to regulate the water by eliminating excess water probably via vacuoles. This way, the cell would not swell.
Explanation:
Homeostasis means the maintenance of steady conditions in the body for the proper functioning of tissues. Homeostasis is governed by positive and negative feedback mechanisms that act in antagonisms in a steady balance to maintain the right parameters. An example is the way glucagon and insulin hormones work antagonistically to maintain the right blood sugar levels at all times even after satiation and in starvation.
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As blood pressure increases and the hearts is working harder the most vulnerable arteries area? Located near the heart, because they are absorbing the most shock or located near your toes, because they are the farthest away from the heart.
As blood pressure increases and the hearts is working harder the most vulnerable arteries area are those Located near the heart, because they are absorbing the most shock.
Explanation:
When the heart pumps blood, the highest pressure is felt close to the heart. This is why the aorta, the artery that carries blood away from the heart is made up of thick walls to withstand this pressure, otherwise, these vessels would rupture. Away from the heart, this pressure lessens, and the blood vessels are not so thick-walled.
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Which of the following are reactants in the process of photosynthesis?
A.
glucose and oxygen
B.
carbon dioxide and water
C.
glucose and water
D.
carbon dioxide and oxygen
Answer:
C
Explanation:
Which element is found in both DNA and protein?
sulfur
sodium
nitrogen
chlorine
The element found in both DNA and protein is nitrogen.
Explanation:
All the living things especially 99% of the human body is made up of six elements, which are carbon, nitrogen, oxygen, calcium, phosphorus, and hydrogen. In DNA, we have a phosphate group which allowing the nucleotide to be linked. Sugar-phosphate is the backbone of the nucleic acid. The nitrogenous bases are creating a genetic alphabet by contributing letters. The nucleic acids are composed of oxygen, nitrogen, carbon, phosphorus, and hydrogen. The proteins are made up of different kinds of amino acids. In addition, they have hydrogen, carbon, sulfur, oxygen, selenium, and nitrogen.
Answer:
Nitrogen
Explanation:
Some people have dimples; other people do not. Having dimples is dominant over not having dimples.
If the allele for having dimples is represented with the letter D, what allele combinations can result in having dimples?
a. Dd only
b. dd only
c. DD only
d. DD, Dd
The allele combinations resulting in a person having dimples, a dominant trait, can be either DD (homozygous dominant) or Dd (heterozygous). The individual will not have dimples if they have two recessive alleles (dd).
Explanation:In genetics, dominant traits are those that are expressed or visible when inherited. In your question, having dimples is a dominant trait and is represented by the letter D. The presence of at least one 'D' in the allele combinations will result in having dimples. Therefore, the correct answer is DD, Dd. This means individuals with homozygous dominant (two same dominant alleles like DD) or heterozygous (one dominant and one recessive allele like Dd) will have dimples. The only combination that does not produce dimples is when you have two recessive alleles (dd).
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PLEASE HELP IM DESPERATE
Answer:
8. D
9. A
10. A
11. C
12. D
Explanation:
8. Natural selection works on variation that exists in the genes of organisms. Antelopes who have genetic variation that makes their legs more muscular are at an advantage because they can outrun predators. This increases the chance that they will reach reproductive age, and be able to pass this advantageous trait onto their offspring. Over time, this selection pressure makes the variant more common in a population.
9. Beneficial traits are those that give a selective advantage. This could be one that helps it outrun predators (like above), avoid illness and death, gives it a reproductive advantage (i.e. more attractive to mates), or makes it better able to digest certain foods, for example. The formation of cancer cells would be harmful for an organism, reducing its fitness and perhaps leading to death. The inability to reproduce would mean genetic info is not passed on to the next generation, and stopping the production of an essential protein would likely lead to death. However, resistance to a virus would help an organism avoid illness and death, improving fitness.
10. Genotypes are what organisms inherit from their parents, i.e. the genetic information that is passed on. However, the way in which different alleles interact and are expressed is the phenotype. If we take the above example, natural selection is acting on the phenotype of muscular legs. If an antelope had the muscular leg genotype but for some reason it was not being expressed (maybe another gene is interfering with it), then the antelope would not have a selective advantage, and natural selection could not be act on the trait.
11. A trait that better suits an organism to its environment will be selected for by natural selection. This is because that organism is more likely to survive due to the trait, giving it a selective advantage. Therefore, if a mutation arose making the giraffe more adapted to the environment, it would be positively selected for, and through evolution would become more common.
12. This is an example of selective breeding, which has been happening for generations. Farmers spot desirable traits, and cross horses with these traits in an attempt to enhance the trait or to ensure it is passed on to the next generation. This is not natural selection, because farmers are making it happen artificially. It is not cloning or recombinant DNA, which are terms scientists use for actually manipulating the DNA in the lab.
In a recent experiment, anti-bacterial hand sanitizer was compared to hand soap. Students washed their hands using the sanitizer or soap and warm water for two minutes; then they dried their hands with a paper towel. The standard of comparison was rubbing hands vigorously for 2 minutes in warm water, without any soap or sanitizer, and then drying with a paper towel. The sanitizer advertisement claimed to kill bacteria more effectively than any soap. After washing, hands were swabbed and then the swab applied to a culture plate and incubated. Finally, the bacterial cultures were counted and recorded in the data table.
What would be a valid conclusion to draw from this data?
A) All methods are effective in killing bacteria.
B) Both soap brands out perform hand sanitizer in killing bacteria.
C) Warm water is as effective as soap or sanitizer in killing bacteria.
D) Hand sanitizer is more effective than either soap in killing bacteria.
Answer:
B
Explanation:
The soap brands cultivated less bacteria culture than the warm water and hand sanitizer.
Hand sanitizer is more effective than soap in killing bacteria.
therefore correct option (D).
Explanation:The valid conclusion to draw from this data is that hand sanitizer is more effective than soap in killing bacteria. The experiment compared the effectiveness of hand sanitizer and soap in killing bacteria by swabbing the hands of students after washing and applying it to a culture plate. The bacterial cultures were then counted and recorded. The results showed that hand sanitizer was more effective than soap in killing bacteria.
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what group is a fish found in?
Answer:
Species: buccinator
Genus: Cygnus
Family: Anatidae
Explanation:
which of the following most accuratley describes most scientists current under standing of the evolution of humans? a) humans evolved from gorillas and other primates. b) gorillas evolved from humans and chimpanzees. c) humans, chimpanzees, and other primates share a common ancestor. d) humans have not evolved.
Answer:
a) humans evolved from gorillas and other primates.
Explanation:
What Darwin proposed, in fact, is that apes and humans have a recent common ancestor that places both apes and humans in the group of primates. This is the theory currently accepted to explain the evolution of humans, so the correct answer to your question is the letter A.
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What might happen to the ecosystem if toucans were removed
When toucans are removed from an ecosystem it leads to loss of hardwood trees, deforestation, and global warming.
Explanation:
Toucans are very attractive brightly colored large birds which are fruigivore (fruit-eaters). They are specially adapted with a large, sharp but lightweight bill which helps the toucans to reach to branches to pick fruits, berries, seeds mostly which are larger and difficult for the smaller birds to eat.
Their main habitat for the toucan is the rainforests. They are woodland birds and stay mostly on hardwood trees.
Toucans help the rainforest ecosystem to grow by dispersing the seeds of the fruits they eat all around the forest as they keep flying. This makes the species of trees from which toucans pick their fruits to increase and makes the rainforest healthy.
When toucans are removed, then dispersal of seeds becomes less and spreading of hardwood trees will be reduced slowly leading to deforestation and drying up of forest lands.
Bigger hardwood trees play a major role in reducing carbon footprint compared to the softwood smaller trees and this increase in carbon will lead to global warming.
during translation, the code for genetic information changes from-
A. proteins to amino acids
B. nucleic acids to amino acids
C. proteins to nucleic acids
D. amino acids to nucleic acids
Answer:
B. ) Nucleic acids to amino acids
Explanation:
Translation happens after DNA has already been copied into RNA and is now going to be translated from its form as RNA to a protein/ Amino Acid.
(04.03 MC) Which description properly describes a step involved in cellular respiration? (4 points) Glucose is created, then the energy gained is transferred to the energy molecule. Carbon dioxide and water are released after the energy molecule is charged. Water is divided into carbon dioxide and glucose. Oxygen is combined with ATP to energize it.
Answer:
Carbon dioxide and water are released after the energy molecule is charged
Explanation:
Cellular respiration is a metabolic reaction in which glucose and oxygen molecules used to produce, carbon dioxide, water and, ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.
On the other hand, other options are not right because glucose molecules are used in the reaction rather than produced. Water molecules are produced as a result of consuming glucose and oxygen.
A description which properly describes a step involved in cellular respiration is; Carbon dioxide and water are released after the energy molecule is charged.
Discussion:
The totality of the cellular respiration process is characterized by the production of energy (ATP) in the body alongside Carbon dioxide and water from the oxidation of the energy molecule.
The energy molecule in this context is Glucose.
Upon metabolism (oxidation); Carbon dioxide and oxygen are produced alongside energy in the form of ATP.
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4. Larger squirrels can carry larger acorns to their burrows, and they outcompete smanet Oy
acorn supplies are limited. What type of selection will most likely occur?
a. stabilizing selection
d. sexual selection
b. directional selection
e. selective breeding
c. disruptive selection
f. none of the above
"Directional selection" will most likely occur.
Answer: Option B
Explanation:
Directional selection or positive selection is an organic selection mechanism in population genetics, this scrutiny is an intense phenotype is preferred over certain phenotypes, allowing the intensity of the allele to migrate over moment towards that phenotype.
For an instance directional selection are fossil statistics showing that the scale of black bears in Europe diminished throughout ice ages interglacial phases however grew at each glacial period. A further example is the scale of the beak in a finch group.
Directional selection is the type of selection that will most likely occur when larger squirrels outcompete smaller ones for acorns, as it favors one extreme of a trait.
Explanation:In the scenario where larger squirrels can carry larger acorns and they outcompete smaller squirrels when acorn supplies are limited, the type of selection that will most likely occur is directional selection. This is because directional selection occurs when natural selection favors one extreme of a trait, leading to a change in the phenotype frequency over time. In this case, the trait for larger size is advantageous due to the competitive advantage it provides in accessing food resources.
Which chemical equation is properly balanced?
A. 4Ba + S, → 2BaS
B. 4HgO + 4Hg + 30,
C. 2FeO + 4C → Fe + CO,
D. Sil, + 2Mg → Si + 2Mgl,
The properly balanced chemical equation is option A. 4Ba + S, → 2BaS.
Explanation:The properly balanced chemical equation is option A. 4Ba + S, → 2BaS.
To balance a chemical equation, the number of atoms of each element should be the same on both sides of the equation. In option A, there are 4 barium (Ba) atoms and 1 sulfur (S) atom on both sides. Therefore, this equation is properly balanced.
In the other options, there is an imbalance in the number of atoms of one or more elements.
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A human is a big organism containing ______________ of cells. Question 1 options: hundreds thousands millions trillions
The most promising technology for combating the effects of climate change lies in the use of renewable resources like the sun and wind. True or False
Explanation:
Renewable resources such as sun and wind helps in reducing the effects of climate change.Sun is the source of solar energy. It is absorbed by wind turbines, in capturing wind that generates wind power.The renewable energy technologies have an advantage over conventional energy systems.They have a much less impact on the environment.Hence, the most promising technology for combating the effects of climate change lies in the use of renewable resources like the sun and wind.bone marrow can be found in the many hollow spaces in the blank of this type of bone
Answer:
Bone marrow can be found in the many hollow spaces in the spongy type of bone.
Answer:
Your answer is spongy. Or Bone marrow can be found in the many hollow spaces in the spongy type of bone.
Explanation:
Take a look at the picture it is proof!
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Select the correct answer from each drop-down menu.
.The
A gene on a chromosome lies close to another gene controlling a different trait. This indicates that the genes are
first gene contributes to the expression of the second gene. This indicates
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Answer:
A gene on a chromosome lies close to another gene controlling a different trait. This indicates that the genes are strongly linked . The first gene contributes to the expression of the second gene. This indicates polygenic inheritance.
Answer:
A gene on a chromosome lies close to another gene controlling a different trait. This indicates that the genes are strongly linked . The first gene contributes to the expression of the second gene. This indicates polygenic inheritance .
Explanation:
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why silkworm is called queen of fibre?
Answer:
Because it’s the most beautiful of all texile fibers
5 Points
Which is mostly studied by meteorologists?
O A. Rocks
O
B. Weather
O
C. Volcanoes
O
D. Fossils
SUBMIT
Answer:
The answer is B. Weather
Final answer:
Meteorologists primarily study b) Weather, focusing on atmospheric phenomena and weather patterns, unlike geologists or paleontologists who study rocks and fossils respectively.
Explanation:
Meteorologists mostly study B. Weather. Although climate and geological events like volcanic eruptions can impact weather patterns, the primary focus of meteorology is the atmosphere and its phenomena, including wind, rain, storms, and temperature variations. Rocks, on the other hand, are generally studied by geologists; volcanoes are a part of both geology and volcanology; and fossils are within the realm of paleontology.
Which of these organisms most recently had a common ancestor with modern humans?
bear
dog
Homo erectus
chimpanzee