Malthus' essay suggested to Darwin that populations do not grow unchecked, and that not all offspring survive.
Thomas Malthus' "An Essay on the Principle of Population" taught Darwin that populations do not grow unchecked and that not all children survive. Malthus argued that since population growth will always outrun food production, which can only increase arithmetically at most, poverty and misery are inevitable.
Charles Darwin's theory of evolution explains how natural selection propels the evolution of species over time. Natural selection is the process through which organisms that are better adapted to their environment survive and reproduce. With time, this process may alter the characteristics of a population, leading to the eventual development of new species.
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Malthus' essay suggested to Darwin that populations do not grow unchecked, and that not all offspring survive to reproduce.
Thomas Malthus was a British economist who wrote an essay in 1798 entitled "An Essay on the Principle of Population." In this essay, Malthus argued that human populations tend to grow faster than their food supply, leading to a population "crisis" in which many individuals suffer from hunger and poverty. Malthus suggested that this crisis could be averted through moral restraint, such as delaying marriage and having fewer children.
Darwin read Malthus' essay in the early 1830s, and it influenced his thinking about the process of natural selection. Darwin recognized that populations tend to produce more offspring than can survive, and that the individuals that are best adapted to their environment are more likely to survive and reproduce. This process of "survival of the fittest" leads to changes in the genetic makeup of a population over time, as advantageous traits become more common and disadvantageous traits become less common.
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Which of these renewable resources results in an increase in pollution when used to produce energy?
a. water
b. wind
c. biomass
d. geothermal
When used to produce energy, biomass, a renewable resource, contributes to more pollution. Therefore, option c is correct.
Organic material from plants and animals is known as biomass. It is a sustainable and renewable source of energy that may be utilized to produce power in other forms, such as electricity.
It displays how the community is distributing its resources and energy. Carbon dioxide from the atmosphere is recycled by plant biomass because it collects it during growth and releases it during combustion.
Similar to burning other solid fuels like coal, burning biomass also produces significant amounts of pollutants. Burning organic material releases hazardous air pollutants such as mercury, lead, and other particulates, nitrogen oxides, carbon monoxide, and sulfur dioxide.
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2. Which category of organisms is correctly described by its method of nutrition and site of digestion?
Consumer -> Heterotrophic -> internal
Heterotrophs are correctly described by their method of nutrition and site of digestion.
Heterotrophs are organisms that obtain their energy and nutrients from consuming other organisms.
They digest their food in specialized structures such as the stomach and intestines.
They cannot produce their own food like plants, which are known as autotrophs.
Heterotrophs include animals, fungi, and some bacteria. Some heterotrophs are predators and feed on other animals, while others feed on dead organic matter. The site of digestion can be internal or external, depending on the organism. Examples of heterotrophs include humans, lions, and mushrooms.
[Note: The question should look like this:
Which category of organisms is correctly described by its method of nutrition and site of digestion?
Category of organism - consumer
Method of nutrition - heterotrophic
Site of digestion - internal]
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construct an argument giving scientific reasons to compare the advantages and disadvantages of gene therapy over the use of drugs (i.e pharmacotherapy for the treatment of diseases)
Explanation:
advantages - more effective and therefore a higher chance of success. since a genome is usually produced prior to procedure, risks and allergic reactions can be reduced effectively. little to no side effects are noticed as a genome analysis is done before. often the problem can be solved from the root in gene therapy.
disadvantages - ethical issues as often people are not comfortable in genome analysis. can be too expensive as gene therapy requires advanced technology. in the case of using radioactive elements, it may lead to mutations that may be a bigger issue than the disease itself.
hope it helps. :)
foods that have a higher risk for contributing to foodborne illness are O high in protein and waterO low in water and fat O high in protein and acidity O low in protein and acidity
Foods that have a higher risk for contributing to foodborne illness are those that are high in protein and water content, as well as those that are low in water and fat.
Here, correct option is A and B.
High protein foods are particularly vulnerable to bacterial growth and can easily lead to foodborne illnesses if not cooked or stored properly. Additionally, foods that are high in acidity can also promote the growth of bacteria, as acids can neutralize the natural protective factors against the growth of bacteria.
Low protein and low acidity foods are naturally more resistant to bacterial growth, making them less likely to cause foodborne illnesses. When handling and preparing foods, it is important to practice safe food handling procedures and to ensure that all food is cooked to the appropriate temperature and stored safely.
Therefore, correct option is A and B.
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complete question is :
foods that have a higher risk for contributing to foodborne illness are
A. high in protein and water
B. low in water and fat
C. high in protein and acidity
D. low in protein and acidity
PLEASE HELP FAST
NO LINKS OR TROLL ANSWERS I WILL REP0RT
brown eyes because baby’s are most likely to have brown eyes when there born.
Juliet started working with a radioactive substance. In 1997, she started with 200 g. When she measured again in 2002, she had 100 g left. In 2007, she had 50 g.
Which substance is she most likely measuring?
rubidium-91
iodine-131
cobalt-60
carbon-14
A radioactive substance that Juliet is most likely measuring is known as the cobalt-60. Thus, the correct option for this question is C.
What is a Radioactive substance?A radioactive substance may be defined as a type of substance that significantly radiates as a result of nuclear decay or transition of nuclear energy level, and possesses a specific radioactivity.
Cobalt-60 is a synthetic radioactive isotope of cobalt with having a half-life of approximately 5.2714 years. It is produced artificially in nuclear reactors.
This type of radioactive element is deliberately utilized in industrial production and relies on neutron activation of bulk samples of the monoisotopic and mono Nucleo cobalt isotope.
Therefore, cobalt-60 is a radioactive substance that Juliet is most likely measuring. Thus, the correct option for this question is C.
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9. Which type of molecule (small or large) has an easier time diffusing in/out of the cell
membrane?
Answer:
small
Explanation:
I learned this in the 7that grade
The change in leaf color on these trees is one way the trees maintain what
If your lab partner asked you to explain how light that enters the eye is transduced into a neural signal, which of the following would you most likely say? a. Photons of light travel through the eye and optic nerve into the optic chiasm, where they activate their receptors and create a neural signal. b. Photons of light travel through the eye and optic nerve into the cerebral cortex, where they activate their receptors and create a neural signal. c. Photons of light contact the retina's receptors, changing their electrical potential and creating a neural signal. d. Photons of light contact receptors on the lens, changing their electrical potential and creating a neural signal that goes through the retina into the optic nerve
If my lab partner asked me to explain how light that enters the eye is transduced into a neural signal, I would most likely say that photons of light contact the retina's receptors, changing their electrical potential and creating a neural signal.
This process, known as phototransduction, occurs in the rods and cones of the retina, which are specialized cells that detect light and convert it into neural signals. When photons of light strike the retina's receptors, they cause a series of chemical reactions that generate a flow of ions, which alters the electrical potential of the receptor cell. This change in electrical potential creates a neural signal that is transmitted to the brain through the optic nerve.
Overall, the transduction of light into neural signals is a complex process that involves multiple stages of signal processing and integration. However, the initial step of phototransduction is crucial for converting light into a language that the brain can understand, and it is what allows us to perceive the visual world around us.
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Which of the following options BEST describes the conditions present in the origins of planet Earth?
The oceans of early Earth contained complex organic molecules that formed simple inorganic molecules over time.
Earth's early atmosphere contained oxygen but no ozone and high amounts of UV radiation.
Before cyanobacteria, Earth's early atmosphere had high amounts of UV radiation, no ozone layer and no oxygen.
Protists were the first organisms that evolved and provided oxygen for the atmosphere.
Before cyanobacteria, Earth's early atmosphere had high amounts of UV radiation, no ozone layer and no oxygen.
Incidence without oxygen in the atmosphere as well as the ozone layer, UVC and UVB levels would be extraordinarily high, requiring life to exist in dimly lit, gloomy surroundings. The development of photosynthesis led to the formation of the ozone layer and boosted atmospheric levels of free oxygen.
Cyanobacteria- Photosynthesis is carried by by the cyanobacteria taxon of microbes. They are not algae, despite the fact that they were once referred to as blue-green algae. It belongs to the phylum of bacteria and includes over 1500 distinct species. According to the endosymbiont theory, cyanobacteria are the ancestors of chloroplasts (plastids). Their DNA profile demonstrates this.
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Choose the correct answer :
The opposite figure shows protein
substances in one of the enzymatic
reactions in the digestive system, which
of them represent enzymes ?
a (1) and (2).
(b) (1) and (3).
HCI
Che
(2)
(2) and (3).
(3)
(3) and (4).
BERBAN
The enzymes are represented by 1 and 2 because they are joining and releasing after the product formation.
Enzymes are the biocatalysts that are responsible for the feasibility of the reaction and to increase the rate of reaction it is done by enzymes because they lower the activation energy which is needed by the substrate to move forward to make products and this is the minimum or threshold energy without which the substrate cant make products and if it is high then to lower
it enzymes help and also enzymes have the property of specificity as they will fix only with their substrate they are supposed to help to and also they work only at optimum ph and temperature because if there is even a slight difference the enzymes will not work properly and will denature or change their conformation so in the given diagram it can be seen that 1 and 2 are
enzymes because firstly 1 is combining with the substrate to form the enzyme substrate complex and in 2 the enzyme is being activated by using the hydrocholric acid and in 4th position also we can see that there are some enzymes which are being released as after the formation of products they are not needed anymore and enzymes are very important for all the cellular function to work properly.
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why agricultural plants are more affected then natural growth plants
Answer:
One reason is that agricultural plants are often grown in large quantities and are often monoculture crops, meaning that they are all the same species. This can make them more susceptible to pests and diseases, as these organisms can quickly spread through a monoculture crop and cause significant damage. Natural growth plants, on the other hand, are often more diverse and may not be as vulnerable to these types of problems.
Which of the following air pollutant can be released by natural wild fires?
ozone
mercury
smog
carbon monoxide
Answer:
the answer i got was ozone
Answer:
carbon monoxide
Explanation:
which brain structure responds to stimuli, conducts electrical impulses, and releases neurotransmitters
Answer:
Neurons
Explanation:
what is the process of evolution
Answer:
The process of evolution are "natural selection"
Hope this help u ⊹⋛⋋( ●´⌓`●)⋌⋚⊹ and have a great day btw
Explanation:
name:
country his from:
what did he invent:
Explanation:
i think he is from england
Increased sea surface temperature has the potential to kill vast areas of coral because of this phenomenon:
A.) invasive species
B.) coral bleaching
C.) ocean acidification
D.) oligotrophic
Answer:
B.) Coral Bleaching
Explanation:
Increased temperatures can cause coral to 'bleach' or lose their symbiotic zooxanthellae algae
Increased sea surface temperature has the potential to kill vast areas of coral because of the coral bleaching.
What do you mean by coral bleaching?Bleached coral Healthy coral Coral bleaching is the process when corals become white due to various stressors, such as changes in temperature, light, or nutrients.
When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn completely white. This is called coral bleaching. When a coral bleaches, it is not dead.
Coral bleaching can be caused by a wide range of environmental stressors such as pollution, oil spills, increased sedimentation, extremes in sea temperatures, extremes in salinity, low oxygen, disease, and predation.
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Which of the following pairs of structure are homologous?.
The wings of grasshopper is not an Homologous structure.
What is Homologous structure?Homologous structures are structures that have the same fundamental basic structure similar that are found in the same organisms who have the same ancesto. Examples include The forelimbs of frog, human, reptile and feathered creatures.
Therefore, the Wings of Grasshopper and forelimbs of Flying Squirrel'. are homologous structures.
The question is incomplete here are the options from another website.
the Wings of Grasshopper forelimbs of Flying Squirrel'.The tentacles of Hydra.Learn more about homologous structures here.
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List 5 things wehave in common with bacterium
Answer:
Here are a few characteristics of life that humans and bacteria share
Explanation:
- Reproduction
- Evolution and adaptations
- Organization
- pH homeostasis
- Responds to stimuli
what is up to 10 words and should describe the data
Mucosa-associated lymphatic tissues (MALT) include the:
a. thoracic duct
b. plasma B cells
c. tonsils
d.cytotoxic
Mucosa-associated lymphatic tissues (MALT) include the tonsils. The correct answer is c.
Mucosa-associated lymphatic tissues (MALT) are a component of the immune system that are located in mucosal surfaces throughout the body.
These tissues serve as a defense mechanism against pathogens that may enter the body through the mucosal membranes. MALT includes various lymphoid structures, such as the tonsils, adenoids, Peyer's patches in the intestines, and the appendix.
The thoracic duct, on the other hand, is a major lymphatic vessel that collects lymph from the lower body and left upper body, and drains it into the bloodstream. It is not specifically considered a part of MALT.
Plasma B cells are a type of immune cell that produces and secretes antibodies to target specific pathogens. While plasma B cells play a role in the immune response, they are not directly considered a component of MALT.
"Cytotoxic" refers to cells or substances that are capable of destroying or damaging cells. This term does not specifically pertain to MALT but rather describes a function or characteristic of certain immune cells, such as cytotoxic T cells or natural killer (NK) cells.
Hence, the right option is c.
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what are the building blocks of protiens
a- the empire state
b- washington monument
c- amino acids
d- your mom
Answer:
amino acids
Explanation:
amino acids in protein build up muscle and provide energy storage. I hope this helps
a cell wall can increase a bacterium's virulence because cell wall lipid a
Yes, a cell wall can increase a bacterium's virulence because cell wall lipid A is an endotoxin that can cause inflammation and fever in the host. Additionally, the cell wall can protect the bacterium from the host's immune system, allowing it to replicate and cause further harm.
Some bacteria can also modify their cell wall composition to evade the host's immune response and enhance their virulence. Therefore, understanding the role of the cell wall in bacterial virulence is important for developing effective treatments and vaccines against bacterial infections.
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Two autosomal genes have a recombination frequency of 16%. Which of the following conclusions can be drawn regarding these genes?
A) The two genes are closely linked on the same chromosome.
B) The two genes are linked but on different chromosomes.
C) Recombination between these two genes cannot occur in the cell during meiosis.
D) The genes are located on the X chromosome.
A recombination frequency of 16% between two autosomal genes concludes that (A) the genes are likely to be loosely linked on the same chromosome.
Recombination frequency is a measure of the distance between genes on a chromosome. The closer two genes are to each other, the lower the probability of recombination occurring between them during meiosis.In this case, a recombination frequency of 16% indicates that, on average, 16 out of every 100 offspring will show recombination or genetic exchange between the two genes. This suggests that the genes are somewhat separated on the chromosome, allowing for recombination to occur, but not to a high degree.
If the two genes were located on different chromosomes, they would assort independently during meiosis, resulting in a recombination frequency of 50% (assuming no interference). Therefore, option B is incorrect.Option C is also incorrect because the presence of recombination suggests that the genes can undergo genetic exchange during meiosis.Option D is unlikely because the question states that the genes are autosomal, which means they are located on non-sex chromosomes. Based on the information provided, option (A) is the correct answer.
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Which of the following statements about community supported agriculture is correct?
A) Only organic fruits and vegetables are grown on community supported farms.
B) It benefits both farmers and consumers.
C) It increases the costs of fruits and vegetables.
D) None of these choices are correct.
The correct statement about community supported agriculture (CSA) is B) it benefits both farmers and consumers. CSA programs allow consumers to purchase a share of a local farm's harvest, providing a steady income for the farmer and fresh, locally-grown produce for the consumer.
This direct relationship cuts out middlemen and allows farmers to receive a fair price for their goods, while consumers benefit from a reliable source of fresh, healthy food. While some CSA programs may focus on organic or sustainable farming methods, not all farms are exclusively organic farming. Additionally, since CSA programs eliminate the costs associated with shipping and distribution, it often results in lower costs for consumers. Overall, CSA is a win-win for both farmers and consumers, promoting a healthier food system and stronger local communities.
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Which best describes the genetics of the afflicting allele in the following pedigree.
i. autosomal dominant
ii. autosomal recessive
iii. X-linked dominant
iv. X-linked recessive
v. Y-linked dominant
vi. Y-linked recessive
An autosomal recessive trait best describes the genetics of the afflicting allele in the following pedigree (option ii).
What is an autosomal recessive genetic trait?An autosomal recessive genetic trait is any phenotypic feature linked to an inheritance pattern that is associated with genes located on the autonomic chromosomes, they may be evidenced in a pedigree by tracing the inheritance per equal in both males and females.
Therefore, with this data, we can see that an autosomal recessive genetic trait is based on inheritance in the same way in males and females.
Complete question:
The question seems incomplete because the pedigree is missing here, I have attached it here to complete the question.
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PLEASE HELP URGENT
how are temperature and energy related?
THIS IS SCIENCE
Answer:
Temperature and energy are closely related in science. Temperature is a measure of the average kinetic energy, or movement, of the particles in a substance. When the particles in an object have more kinetic energy, they move faster and collide more frequently.
As a result, the object's temperature increases. Conversely, when particles have less kinetic energy, they move slower and collide less often, causing the temperature to decrease.
Therefore, temperature can be considered as a way to measure the amount of energy present in a substance, where higher temperatures correspond to greater energy levels.
Answer:
Temperature is a measure of the average kinetic energy of the particles in a substance. Kinetic energy is the energy of motion, and it depends on the speed and mass of the particles. The faster the particles move, the more kinetic energy they have, and the higher the temperature of the substance. The relationship between temperature and energy is also affected by the specific heat capacity of the substance, which is the amount of energy needed to raise the temperature of one gram of the substance by one degree Celsius. Different substances have different specific heat capacities, depending on their molecular structure and interactions. For example, water has a high specific heat capacity, which means it takes a lot of energy to change its temperature, while metals have low specific heat capacities, which means they heat up and cool down quickly.
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Choose True or False.
1) Tools are helpful to scientists because they use them to learn about organisms and diagnose problems.
A. True
B. False
2) Choose True or False.
Microscopes magnify or enlarge images of specimens so scientists can examine them with the human eye.
A. True
B.False
Answer:
Both are true
Explanation:
Energy to run a maximal 400-meter race (i.e., 50 to 60 seconds) comes from aerobic metabolism without interference from anaerobic systems. a combination of aerobic/anaerobic metabolism, with most of the ATP coming from anaerobic sources. mostly aerobic metabolism with some anaerobic metabolism. the ATP-CP system exclusively since the runner is supplementing with creatine.
The energy needed to run a maximal 400-meter race for 50 to 60 seconds is mainly derived from a combination of aerobic and anaerobic metabolism. While aerobic metabolism contributes most of the energy needed, anaerobic metabolism also plays a significant role, with most of the ATP coming from anaerobic sources.
This is because the intense nature of the race requires the muscles to contract very quickly and forcefully, which consumes ATP at a rapid rate.
However, it is important to note that the energy source for the race can vary depending on the athlete's fitness level and training regimen. For instance, highly trained athletes may rely more on aerobic metabolism than anaerobic metabolism. Additionally, some athletes may supplement their energy stores with creatine, which is a naturally occurring compound that helps produce ATP. In such cases, the runner may rely exclusively on the ATP-CP system to provide energy during the race.
Overall, while the exact energy source for a maximal 400-meter race may vary depending on individual factors, it is safe to say that both aerobic and anaerobic metabolism play important roles in providing the necessary energy.
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bracketing is often the first step in a descriptive phenomenologic stufy. what is one method of facilitating bracketing?
One method of facilitating bracketing is content-loaded bracketing. Bracketing is the first step in a descriptive phenomenological study.
What is Bracketing?Bracketing is a systematic method of reflecting on preconceptions and prejudices in order to attain a more open attitude toward the experience being researched. In research studies, this technique is employed to ensure that the investigator's previous experiences and prejudices do not interfere with the outcomes of the study.
This technique aids in the discovery of the underlying meaning of an experience, which is essential in phenomenological inquiry. Content-loaded bracketing is one technique that may be used to encourage bracketing.
Content-loaded bracketing is a technique for making the content of an experience the focus of reflection. In this technique, the researcher is guided to reflect on the experience's context, specifics, and dynamics. The method assists researchers in becoming more aware of the various ways that experiences can be interpreted.
The method involves asking oneself what, where, and how questions about the experience's content. This procedure can be done during data collection or after data collection. During data collection, researchers can engage in content-loaded bracketing by noting their preconceptions about the experience being researched.
Researchers may reflect on their biases and opinions in the same way they do with the experience being researched. In this way, the study is more likely to result in a more objective understanding of the experience.
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