what scientist was influenced by malthus' paper and played a key role in developing the theory that existing species evolve from pre-existing species?
The scientist who was influenced by Malthus' paper and played a key role in developing the theory that existing species evolve from pre-existing species was Charles Darwin.
In 1838, Darwin read Thomas Malthus' "An Essay on the Principle of Population," which discussed the struggle for survival and competition for resources among individuals in a population.
This influenced Darwin's thinking about the process of natural selection, which he later elaborated on in his book "On the Origin of Species" published in 1859.
Darwin's theory of evolution by natural selection proposed that species change over time as individuals with advantageous traits are more likely to survive and reproduce, passing on their advantageous traits to their offspring.
Over many generations, these advantageous traits become more common in the population, while less advantageous traits become less common or disappear entirely.
This process can lead to the development of new species from pre-existing ones over long periods of time.
Darwin's theory revolutionized the study of biology and remains one of the most important scientific theories ever developed.
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for a sociology course: what skills from this course would you use to produce an annotated bibliography for your course research project?
An annotated bibliography refers to a list of citations to books, articles, and documents. It is essential for you to understand some skills from a sociology course that you can use to produce an annotated bibliography for your course research project.
Here are the skills:Ability to researchThe first skill that you can utilize from sociology is research. As you research, you can identify the required information to create an annotated bibliography. Sociology teaches students the importance of research as it is vital in collecting data, information, and facts that you will need to support your research project. This knowledge is useful because it equips you with the tools you need to find the right sources that provide your research paper's valuable information.
Ability to organizeThe second skill is the ability to organize. Sociology teaches students how to organize their thoughts, ideas, and concepts, which is essential in creating an annotated bibliography. This skill will enable you to organize your bibliography in a specific format. Sociologists need to organize their work well to give it meaning and direction.Ability to evaluateLastly, sociology teaches students how to evaluate sources.
An annotated bibliography requires you to select sources that provide valid and reliable information, and you must know how to assess the sources' credibility. Sociology teaches students how to evaluate and determine the validity of sources. This knowledge is beneficial when creating an annotated bibliography.
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2. Energy flows through Earth's spheres and changes along the way.
2a. Fill in each blank with the type of energy being described.
The sun gives off SOLAR energy, which enters the atmosphere. Plants absorb some of the energy and perform photosynthesis to convert it into LIGHT energy in the form of sugars. Plants and the animals that eat them then turn that energy into a different form of CHEMICAL energy, in the form of ATP. When plants and animals use the energy, it becomes KINETIC energy.
2b. Describe how energy is conserved in these systems. (2 points)
-
5. Cellular respiration is one of the main processes in the fast carbon cycle.
5a. Draw a diagram of cellular respiration that includes these labels: Oz, water, sugar, COz ATP.
5b. Add a star at the point where carbon enters the process and another star at the point where carbon exits the process.
6. Identify the inputs and outputs of photosynthesis.
7. Identify the inputs and outputs of cellular respiration.
Answer:
2a.
- Solar energy
- Light energy
- Chemical energy (ATP)
- Kinetic energy
2b. Energy is conserved in these systems through the principle of the conservation of energy, which states that energy cannot be created or destroyed, only transformed from one form to another. In the process of energy transfer between the sun, plants, and animals, the total amount of energy remains constant, but its form changes.
5a.
Oz Sugar
| |
v v
Water CO2
| |
v v
ATP*
*Carbon enters the process at the sugar stage and exits the process as CO2.
6. Inputs of photosynthesis:
- Carbon dioxide (CO2)
- Water (H2O)
- Sunlight (solar energy)
Outputs of photosynthesis:
- Oxygen (O2)
- Glucose (C6H12O6)
- Water (H2O)
7. Inputs of cellular respiration:
- Oxygen (O2)
- Glucose (C6H12O6)
Outputs of cellular respiration:
- Carbon dioxide (CO2)
- Water (H2O)
- ATP (chemical energy)
Do animals have more traits in common as adults, or as developing embryos? Explain your
answer.
Answer:
they do have a lot of traits in common as adult.
Question 2 of 10
What is the likely effect of increasing the use of fossil fuels?
O A. Pollution levels and their effects will decrease.
B. Global warming will steadily decrease.
C. Biodiversity will decrease in most ecosystems.
D. Ecosystems will become more resilient.
How is energy produced using solar energy
Answer:
by using the suns uv rays
Explanation:
Which of the following is considered the first receiver for the nicotine in a smocking person?
1.left atrium
2.right atrium
3.left ventricle
4.right ventricle
Answer:
i think nicotine travels through blood and we know blood reaches the right ventricle first
maybe right ventricle
what is the best test reagent for protein quantitation? why is that reagent considered to be the best reagent?
ProteOrange reagent is the best test reagent for protein quantitation.
The ProteOrange reagent's distinctive structure enables the precise protein detection in solutions with concentrations between 10 ng/mL and 10 g/mL. This degree of sensitivity is far higher than that attained by the Bradford assay, Lowry assay, BCA technique, or 280 nm absorption measurements.
ProteOrange Reagent- A fluorescent dye called ProteOrange is used to stain proteins in gels. SYPRO orange's equivalent is called ProteOrange.
Reagent- A substance that is used because of its chemical or biological effects (for example, in creating a product, developing images, or detecting or measuring a component).
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General PsychologyTopic 1 – Introduction to Psychology and Role of BiologyMini Brain ProjectDirections: Conduct research on a selected brain area or structure. Areas and structures available for research include: frontal lobe, parietal lobe, temporal lobe, occipital lobe, medulla, pons, cerebellum, reticular formation, thalamus, hypothalamus, limbic system, cerebrum, hippocampus, amygdala, corpus callosum, Broca’s area, OR Wernicke’s area. Conduct research using scholarly Internet sources, library sources, and the textbook. Where is the area or structure located?What are its major functions? What techniques are used to view or measure it?What happens when it is damaged?What other structures is it near?What other structures help or perform similar functions?References:
The frontal lobe is located infront of the brain and extends from the area located at the back of the forehead. It is responsible for higher cognitive functions like memory, emotions, impulse control, problem solving, social interaction, and motor function. The three frequently used techniques to measure the frontal lobe are Magnetic Resonance Imaging (MRI), magnetoencephalography (MEG) and electroencephalography (EEG).
Damage to the frontal lobe can cause several symptoms such as behavioral problems, depression, and loss of strenght in the muscles. Also conditions like stroke, head trauma, and dementia can be seen in individual with damage frontal lobe.
It is connected with a nerve pathways to other parts of the brain. It contains several structures like the anterior orbital gyrus, medial orbital gyrus, posterior orbutal gyrus, and gyrus rectus. the orbutal gyri which is connected to the vagus nerve plays an important role in the limbic system that controls emotional and automatic reactions.
A sediment core is retrieved from the middle of the North Pacific Ocean, about 1000 kilometers (620 miles) south of the Aleutian Islands (Alaska), and at a water depth of 5000 meters (16,400 feet). The core contains coral reef fossils, which are only found in shallow, tropical waters. Develop a hypothesis that could explain this occurrence. Also, develop a test for your hypothesis.
The presence of coral reef fossils in a sediment core retrieved from the middle of the North Pacific Ocean, far from shallow tropical waters, could be explained by the hypothesis that the area was once a shallow, tropical region that underwent geological changes or shifts over time.
The hypothesis suggests that the area where the sediment core was retrieved was previously a shallow, tropical environment. Geological processes, such as tectonic movements or sea level changes, could have caused the region to transition from shallow waters to its current deep ocean conditions. These geological shifts might have submerged the previously existing coral reefs, resulting in the deposition of their fossils within the sediment core. To test this hypothesis, several steps can be taken. Geological mapping of the area would provide insights into the rock formations, sediment layers, and other geological features, helping to understand the history of the region. Paleoclimate reconstruction techniques, such as analyzing oxygen isotopes or microfossils, would offer information about past temperature and environmental conditions.
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a helium atom contains 2 protons, 2 electrons, and 2 neutrons. Which would be considered an Isotope of heliuma. an atom with 2 protons , 1 electron and 2 neutronsb.all of thesec. an atom with 2 protons 2 electrons 1 neutron d. an atom with 1 proton 2 electrons 2 neutrons
Isotopes are different forms from the same element, they have the same number of protons but differ in the number of neutrons in their nuclei, this makes them have different atomic mass, altough their chemical properties remain the same.
Helium contains 2 protons, 2 electrons, and 2 neutrons.
Of the listed options, only c. has a different number of neutrons than the described atom. So this option represents an Isotope of Helium.
Which of the following samples is most often examined by a dissecting microscope instead of a compound light microscope?
Plant cells
Spore
Blood
Bacteria
plant cells is most often examined by a dissecting microscope instead of a compound light microscope.
What is a dissecting microscope used for?A dissecting microscope serves the purpose of observing larger entities characterized by considerable depth, such as plant cells, offering enhanced visualization capabilities.
Conversely, a compound light microscope caters to the examination of smaller, flatter specimens like bacteria, providing a greater level of detail.
Additionally, compound light microscopes are frequently employed for the scrutiny of spores and blood samples, facilitating intricate analysis and investigation.
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Which of the following mutations could result in the insertion of proline in place of alanine? A mutation in Alanyl-tRNA synthetase which ligates alanine to tRNAPro. A mutation in Prolyl-tRNA synthetase which ligates alanine to tRNAPro A mutation in tRNAPro that allows it to be recognized and aminoacylated by Alanyl-tRNA synthetase A mutation in tRNAAla that allows it to be recognized and aminoacylated by Prolyl-tRNA synthetase.
None of the mutations listed would result in the insertion of proline in place of alanine. Alanyl-tRNA synthetase is the enzyme responsible for attaching alanine to tRNAAla, not tRNAPro. Therefore, a mutation in this enzyme would not lead to the incorporation of proline in place of alanine.
Prolyl-tRNA synthetase is the enzyme responsible for attaching proline to tRNAPro, not tRNAAla. Therefore, a mutation in this enzyme would not result in the incorporation of proline in place of alanine. A mutation in tRNAPro that allows it to be recognized and aminoacylated by Alanyl-tRNA synthetase would lead to the incorporation of alanine in place of proline, not the other way around.
A mutation in tRNAAla that allows it to be recognized and aminoacylated by Prolyl-tRNA synthetase would result in the incorporation of alanine in place of alanine, not the incorporation of proline in place of alanine.
Therefore, none of the mutations listed would result in the insertion of proline in place of alanine.
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In Darwin's Theory of Evolution, he describes how offspring descend with
modification from their parents. All of the following illustrate this concept EXCEPT
Answer:
C.Darwin used this term to describe change in organisms over time, or evolutionary change.
Explanation:its called look it up and click on the quizlet flashcards link and it will give you all the answers on the whole quiz or assignment and it will just look like you are looking at studying flashcards.
Complete the following paragraph by adding the correct terms. Cells can make new cells. One cell can (a) ____________ into two new cells. This is called (b)__________________. The process of cell division goes through various states. First, the cell nucleus (c)________________ into two. A new cell surface membrane then (d)____________ the cell divides. The two new cells are called (e)_______________ and they are small. They will grow and become larger. They grow by getting (f)______________ from the food that is eaten. Once they grow to full size they can also (g)_____________. If cells divide more quickly than they should, or divide in the wrong way, (h)_____________ can develop.
One cell can divide into two new cells. This is called mitosis. The process of cell division goes through various stages. First the cell nucleus divides into two. A new cell surface membrane then severs the cell divides. The two new cells are called daughter cells and they are small.
What are the names of the two newly generated cells?The cell has double copies of everything. The DNA, genetic coding, and activities of the two new cells are identical. The first cell is referred to as the mother cell, while the two more cells are referred to as daughter cells.
A chromosome's end contains a stretch of repeating DNA sequences known as a telomere. Chromosome ends are protected from fraying or tangling by telomeres. The telomeres get a little bit shorter every time a cell divides. They eventually get so short that the cell can no longer properly divide, and the cell then perishes.
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The sinking of dense, salty, cold water in the ______region(s) drives the movement of the thermohaline circulation current.
A. polar
B. temperate
C. latitudinal
D. tropical
The sinking of dense, salty, cold water primarily occurs in the A. polar regions, driving the movement of the thermohaline circulation current.
What is the polar region?The primary location where dense, salty, and cold water sinks, propelling the thermohaline circulation current, is in the polar regions. This process is known as thermohaline circulation or the ocean conveyor belt.
The polar regions experience high rates of evaporation, resulting in the formation of dense, saline water. This water sinks and initiates a global circulation pattern that redistributes heat and nutrients throughout the world's oceans, influencing climate and oceanic ecosystems on a large scale.
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Which of these is one of the Milankovitch cycles?
Responses
changes in the length of Earth’s orbit
changes in the time between Earth’s seasons
changes in Earth’s tilt
changes in the distance between Earth and the sun
The one that is in Milankovitch cycles changes in Earth’s tilt. The correct option is C.
What is Milankovitch cycle?The eccentricity of Earth's orbit, the obliquity of its axis with respect to its orbital plane, and the direction of its spin axis are all factors that are considered in Milankovitch cycles (its precession).
The Earth's orbit, axial tilt, and wobble change over long periods of time due to Milankovitch cycles.
Long-term climate changes are influenced by these variations. They kick off ice ages and naturally occurring periods of global warming.
Eccentricity, obliquity, and precession are the three components of Milankovitch cycles. Eccentricity is a term used to indicate how elliptically the Earth's orbit around the Sun varies from being circular.
Thus, the correct option is C.
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The ocean is a vast reservoir of kinetic energy, but it's also a challenging place to generate electricity. Which of these does NOT present a challenge when using wave energy to provide electrical energy?
Answer:
d) Barnacles and other sea creatures can cling to exposed surfaces, blocking intakes and weighing down machinery.
Explanation:
Presence of marine animals is not a big challenge that prevent us from the production of electrical energy through the use of wave energy because there is no channel from which the sea creatures enters the machinery and cause damage to it but the machinery causes serious damage to marine animals if they comes in contact with the blades the blades can kills these marine animals due to their sharp needles so presence of marine animals is not threat for machinery.
a) Waves are too inconsistent to be useful.
b) Salt water can corrode metal components.
c) Storms and forceful waves can damage power systems or loosen them from their moorings
d) Barnacles and other sea creatures can cling to exposed surfaces, blocking intakes and weighing down machinery.
In evolutionary terms, an organism's fitness is measured by its mutation rate to gain new alleles stability in the face of environmental change contribution to the gene pool of the next generation ability to gain food in its environment ability to compete with other members of the species for a mate
An organism's fitness is the ability to survive and reproduce in its environment, including factors such as gaining food, competition, mutation rate, adaptability, and contribution to the gene pool of the next generation.
One of the key factors that contribute to an organism's fitness is its ability to find food. Organisms that are able to find and consume food in their environment are more likely to survive and reproduce than those that cannot.
Additionally, an organism's ability to compete with other members of the same species for a mate is also important. Organisms that are able to attract and secure a mate are more likely to reproduce and pass on their genetic traits to the next generation.
Another important factor that contributes to an organism's fitness is its ability to adapt to changes in the environment. Organisms that are able to adapt to changes in their environment, such as changes in temperature or the availability of food, are more likely to survive and reproduce than those that cannot.
Additionally, an organism's mutation rate also plays a role in its fitness. Organisms with a high mutation rate may be more likely to adapt to new environments and survive in the long term.
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which of the following is not one of the main hypotheses to explain primate origins? group of answer choices arboreal hypothesis aquatic ape hypothesis angiosperm hypothesis visual predation hypothesis
Three main theories have been put up to explain the genesis of primates and the characteristics that set our own order apart from other mammalian groups.
What are the two origin theories for the traits of primates?The Arboreal and Visual Predation Theories are two hypotheses for how various ape traits, like grasping or prehensile hands, forward-facing eyes, and depth perception, evolved.
Which theory about the origin of primates is the most plausible?The visual predation idea offers a potential justification for how primates first evolved. According to this view, primates originated from small mammals that lived in bushes on the forest floor. These tiny mammals consumed insects found on the forest floor.
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heeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelp ppl and thanks
Answer:
B
Explanation:
Answer:
B
Explanation:
hope this helps :D Have a great day :3
Based on what you learned about the roller coaster ride, which of the following statements
about energy transformations are true? select all that apply
-kinetic energy can be converted only into gravitational potential energy.
-an object’s kinetic energy changes whenever the objects speed changes.
-more than one type of energy can be converted into kinetic energy.
Answer:
I hope this really helps (A) is the answer
Explanation:
it can pysically
the population projection technique that allocates a projected population expansion to subregional areas is called:
The population projection technique that allocates a projected population expansion to subregional areas is called shift share approach.
What is population?
A community's inhabitants who belong to the same species. A population's makeup is influenced by things like density, sex ratios, birth and death rates, immigration, and emigration.
What is sub region?
A biogeographic region's major division. subregional.
Therefore, the population projection technique that allocates a projected population expansion to subregional areas is called shift share approach.
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i need help badddd. will give brainy
Answer:
ITS ALEXA
Explanation:
Chemicals released into the space between nerve cells that bind to receptors are calledQuestion options:A) action potentials.B) neurochemicals.C) neurotransmitters.D) platelets.
The correct answer is C) neurotransmitters. Neurotransmitters are neurochemicals that work between neurons' spaces. As the name describes, they transmit information between nerve cells.
.Which of the following statements about the genetic code are most accurate? Select all that apply.
An initiation codon sets the reading frame.
The genetic code is generally non-overlapping
The following statements about the genetic code are most accurate:
An initiation codon sets the reading frame.The genetic code is generally non-overlapping. Options 1 and 3 are correct.The initiation codon AUG sets the reading frame for translation, and it also codes for methionine, which is usually the first amino acid in a polypeptide chain. The genetic code is non-overlapping, which means that each nucleotide is only read once in a specific reading frame, and each triplet codon codes for only one amino acid. This ensures that the correct sequence of amino acids is incorporated into the polypeptide chain during translation.
The promoter region of a gene is responsible for initiating transcription, not setting the reading frame for translation. Three initiation codons are not necessary to set three possible reading frames, as the reading frame is established by the first AUG codon encountered. Overlapping genes do exist in some organisms, but the genetic code itself is not overlapping. Options 1 and 3 are correct.
The complete question is
Which of the following statements about the genetic code are most accurate? Select all that apply.
An initiation codon sets the reading frame.The promoter sets the reading frameThe genetic code is generally non-overlappingThree initiation codons set the three possible reading framesThe genetic code is generally overlappingTo know more about the Genetic code, here
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an organism, is found that has the following trraits has a backbone has lungs can reproduce on land what kinfdom does this organism most likely belong in
Animalia is the kingdom this organism belongs to.
What is animalia?A taxonomic kingdom encompassing both living and extinct animals is called Animalia. Eukaryotic, multicellular, heterotrophic, without a cell wall, and primarily motile are characteristics of this kingdom's members.
Animals are typically divided into two categories:
Vertebrates (animals having a backbone) (animals with a backbone)Invertebrates (vertebrate creatures) (animals that lack a backbone)However, they are divided into numerous phyla.
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During the normal wound healing process, bleeding may occur from even a minor injury because: Question 5 options: 1) there is a substantial decrease in the number of platelets in and around the wound, which increases the risk of bleeding. 2) histamines released by the immune system constrict the blood vessels, which increases the pressure within them. 3) new capillaries that stem from intact capillaries are delicate and take time to become as stable as the preexisting capillaries. 4) bacteria and other microorganisms invade the wound site and damage the capillaries, which makes them more prone to bleeding.
New capillaries that stem from intact capillaries are delicate and take time to become as stable as the preexisting capillaries.
What causes bleeding?When skin is cut with a sharp object, it begin to bleed. This is because blood vessels in that area are damaged. Bleeding serves a useful purpose because it helps to clean out a wound but too much bleeding can cause adverse effect on your body so we can conclude that New capillaries that stem from intact capillaries are delicate and take time to become as stable as the preexisting capillaries.
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Describe two reasons why
a species might not be able
to expand its range.
In your own words, what is the definition for substrate with enzyme.
can someone please help with this?
Answer:
enzyme subtract complex
Explanation:
its a molecule that is temporary and is formed when an enzyme comes comes into direct and perfect contact with it's substrate