The statement that best describes the theory put forth by Charles Darwin in "On the Origin of Species" is All living species, including humans, see the strong survive through evolution.
Option D is correct.
What is evolution?Evolution is described as the change in heritable characteristics of biological populations over successive generations.
Three basic ideas made up Charles Darwin's theory of evolution:
variation among species members occurred randomlya person's traits might be passed on to their offspring; and only those with advantageous traits would survive due to competition for survival.Learn more about evolution at:
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Which trophic levels would be impacted by lower yields of fungi (mushrooms) due to, for example, acid rain?
Fungi belong to the decomposer topic level because they decompose organic matter and return the elements to the producer for reuse. Therefore, if mushrooms have low yields, less material to break down, and fewer minerals are available to them, they will be directly affected.
It also indirectly affects everything above the nutritional stage, which depends on the producer.
Another nutritional stage, the decomposer or transformer, is composed of organisms such as bacteria and fungi that break down dead organisms and waste into nutrients that the producer can use.
The decomposer forms the final trophy level. When living things produce waste or die, inanimate objects remain. Nutrients and organic matter are trapped in this substance. Decomposers like fungi break down waste and return it to raw nutrients.
In a system of five trophic levels, organisms are classified according to their lifestyle. The five levels include primary producers (plants), primary consumers (herbivores), secondary consumers, tertiary consumers, and detritivores (decomposers).
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Use what you know about fossils to choose the correct answers from the drop-down menus to complete each
statement.
If the same organism appears on two different continents, this is evidence of
Fossils show how organisms change, or
v over time.
Fossils provide a record of animals that are
x], or no longer living.
The answer to the questions include the following:
If the same organism appears on two different continents, this is evidence of plate movement.Fossils show how organisms change, or evolve over time.Fossils provide a record of animals that are extinct or no longer living.What is a Fossil?This is defined as the remains of plants and animals which have been preserved in the earth crust. Fossils helps in the study of organisms and how they evolved from others as a result of a change in their living conditions. This happened so as to enable them survive thereby giving rise to more fit offspring.
Fossils provide a record of animals that are extinct or no longer living such as dinosaurs etc. Similar organisms being present on different continents is as a result of plate movement thereby making it the most appropriate choices.
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I need help sooo much. I really appreciate it
Answer:
D
is the answer because as you see the percentage increase
Answer:
900
\
Explanation:
What were the independent, dependent, and control variables in your investigation? Describe the variables for the simulation with the moths and birch trees.
The experiment is not found here but dependent variables may include the growth rate of moths, whereas the independent variable may be the temperature and the control is water.
What is a dependent variable?A dependent variable is the variable that is being modified by the conditions of the experiment (in the example, the growth is dependent on the temperature).
Moreover, a control variable is any condition that remains constant throughout the experiment (in this case, the amount of supplied water).
In conclusion, dependent variables is the growth rate, whereas the independent variable is the temperature and the control is water.
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What amino acid sequence does the following dna nucleotide sequence specify? 3′−tacagaacggta−5′.
The amino acid sequence for the following DNA sequence is Met-Ser-Cys-His.
What is transcription and translation?
Transcription is the process of conversion of genetic information carried by the DNA into messenger RNA (mRNA).
Sense strand of DNA is the one which runs in 5’ to 3’ direction and carries the information while antisense strand runs in 3’ to 5’ direction and serves as a template.E.g.: Antisense strand 3′−TACAGAACGGTA−5′mRNA sequence 5’−ATGTCTTGCCAT−3’
Translation is the process of conversion of information carried by the mRNA into an amino acid sequence.
The genetic code is read as a sequence of 3 nucleotides together at a time and is called codon.For example: 'ATG' is a start codon coding for methionine.Here, mRNA sequence 5’−ATGTCTTGCCAT−3’
Amino acid sequence: Met-Ser-Cys-His
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Part a label the structures of an animal cell. drag the appropriate labels to their respective targets.
Animal cells are eukaryotic cells protected by a semipermeable membrane, and composed of several organelles immersed in the cytosol. Genetic material is in the nucleus.
What is an animal cell?These are eukaryotic cells. They carry their genetic material in the nucleus and mitochondria. Their organelles are located in the cytosol, and the whole cell content is protected by a flexible semipermeable cell membrane.
Among the organelles, we can mention,
Vesicles and vacuoles whose function is to store water, ions, and waste intracellular substances. Mitochondria in charge of energy productionThe endoplasmatic reticulum and Golgi complex are involved in protein synthesis, maturation, and transport.There are also structures like microtubules and actin filaments that provide structure, shape the cell, and are involved in intracellular transport.
Animal cells also have pigments that provide color to tissues like the hair, the skin, or the eyes.
Depending on the cells and their function, we can also find cilia, flagella, or microvillus on their surface. Microvilli are fingerlike projections.
Now, we can laber each structure of the animal cell. You will find the image in the attached files.
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Answer:
Explanation:this is the answer guide
Cytotoxins induce:___.
a. the creation of peptide fragments
b. perforations in the cell membrane
c. cell division
d. apoptosis
Cytotoxins induce perforations in the cell membrane and apoptosis. So the correct option is (b) and (d).
By releasing two different types of preformed cytotoxic proteins—the pore-forming protein perforin, which creates holes in the target cell's membrane so the granzymes can enter, and the granzymes, which appear to be able to induce apoptosis in any type of target cell—cytotoxic CD8 T cells kill their target cells.
Particularly, the production of TNF-alpha and IFN-gamma by cytotoxic T cells promotes macrophage activation. Infected cells are attacked and eliminated by macrophages, which also stop uncontrolled cell proliferation like tumours.
Therefore, Cytotoxins induce perforations in the cell membrane and apoptosis. So the correct option is (b) and (d).
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What is the Universal Genetic code?
A) All living things have DNA and RNA
B) All living things have the same size and shape of cells
C) The same type of cell membranes and cell walls are in both plant and animal cells
D) All DNA and RNA are contained in the nucleus of the cell
Answer:
A.
Explanation:
Every living organism needs a way to create energy and new cells, and to do that, they need something to direct that, which is where DNA and RNA come in. So therefore, all living things not only need, but have DNA and RNA.
It is that the living beings all are made up of both DNA and RNA. The correct answer is option A.
What is the full form of DNA and RNA ?It stands for deoxyribonucleic acid and ribonucleic acid.
The genetic code of the universe is universal. That is like the all of the known kind of the living organisms just use same genetic code. It shows by nearly all of the organisms which share a common kind of evolutionary history. The present genetic code is just unambiguous. Each of the codon codes is just one amino acid .
A genetic code that is shared by the diverse organisms which helps to provide important kind of evidence for common origin of the life on the Earth. That is like many of the species on the Earth today are likely just evolved from the same ancestral organism in that the genetic code is already present.
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The distance between the right eye and left eye provides a cue for depth perception known as?
Answer:
PUPILLARY DISTANCE (PD)
all but which of the following can work against a viral infection
The question is incomplete but antivirals, cells of the immune system and antibodies can work against viral infection.
What is a viral infection?A viral infection is any disease caused by a virus that is able to infect and produce harm to a suitable host.
The immune system consists of different barriers to fight against viral infections, one of which is composed of immune cells and antibodies that work together to recognize and destroy pathogenic viruses.
For example, the cells that can work against a viral infection include cytotoxic T cells, macrophages and NK cells.
In conclusion, antivirals, cells of the immune system and antibodies can work against viral infection.
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Answer: Antibiotics
Explanation:
Which of the following is not an example of diffusion?
A:a drop of food coloring spreading through a glass of water
B:perfume filling a room
C:salt spilled onto the table
D:air leaking from a tire
The spilled salt does not actively spread or disperse throughout the table. Option C does not show diffusion.
Diffusion is the movement of particles or molecules from an area of higher concentration to an area of lower concentration, resulting in their even distribution.
When salt is spilled onto a table, it does not undergo diffusion. Instead, it remains localized in the area where it was spilled.
The random movement of particles from a region of high concentration to a region of low concentration is known as diffusion, although in this situation, the salt spilled is not actively spreading or moving over the table.
When a drop of food colouring is added to a glass of water, the food colouring molecules spread out evenly throughout the water due to diffusion.When perfume is sprayed in a room, its scent spreads throughout the air in the room, reaching all areas evenly, thanks to diffusion.When air leaks from a tire, the high-pressure air inside the tire moves to areas of lower pressure outside the tire, leading to the even distribution of air molecules due to diffusion.Thus, the correct option is C.
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What do traits of anatomically modern humans include?
The traits of the anatomically modern humans include the following below:
High vertical foreheadRound and tall skullSmall browridges.What is Anatomy?This is defined as a branch of science which involves the study of the body structure of humans, organisms etc and how they are responsible for certain types of activities performed by certain parts of the body. For example, the skull is a structure which helps to protect the brain and other vital organs which are present in the body system.
Due to evolution, the modern experienced some changes anatomically which include round and tall skull and a high vertical forehead with the other features which are mentioned above. This helps it to see objects from different directions.
This is therefore the most appropriate anatomically modern human traits present today.
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List one factor that you imagine would limit settlement on top of living organisms. The panels hang vertically from the side of a dock. Animals such as crabs and snails live on the dock and can crawl onto the panels. The ocean can be stormy at times, and heavy rains mix freshwater into the ocean surface waters.
One factor that would limit the settlement on top of living organisms is the panels hang vertically from the side of a dock.
The factors that affect settlements can explain how an organism adapts to its environment. There can be numerous factors based on the situations that can limit the settlement of an organism in its new environment. Competition, predation, disturbances, resources, etc can affect the establishment of a species in an area.
A set of panels hanging vertically can hinder the settlement on top of living organisms. Many organisms are known to survive in the harsh stormy seas and many are known to live in places where freshwater and ocean surface water mix (estuaries). But if the place where the animal such as crabs and snails have to reach is hung vertically it might be difficult for them to establish themselves as it will be harder for them to reach and hang on to the panels.
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how does precipitation helps in formation of soil
Answer: increase the degree of weathering and therefore the extent of soil development.
Explanation:
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__________ is the neurotransmitter used to carry a message from a motor neuron to a skeletal muscle fiber.
Natural resources, or land, can include the fertility of the land, minerals below it, and what other aspects? human resources human resources water water human capital resources
Natural resources, or land, can include the fertility of the land, minerals below it, and water.
Natural resources are those that are derived from nature and used largely unaltered. This encompasses the origins of desirable traits like those used for business and industry, aesthetic appeal, scientific curiosity, and cultural significance. Natural resources include things like stone, sand, metals, oil, coal, and natural gas. Air, sunlight, soil, and water are examples of other natural resources. Plants, fish, birds, and animals are all examples of natural resources. Food, fuel, and raw materials for the manufacture of commodities are all made with the help of natural resources.One of the most significant natural resources that emerges from forests is water.
Natural land regions benefit from the nutrients, water, oxygen, and heat provided by the soil.
The third essential resource for people, animals, plants, and all other living things in a natural environment is air.
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You are studying two species of dung beetles, one of which rolls its dung balls during the day and rests at night. The other rolls its dung balls at night and rests during the day. These species will not breed because of
one of which rolls its dung balls during the day and rests at night. The other rolls its dung balls at night and rests during the day. These species will not breed because of Temporal isolation.
When two species are divided based on when they operate, it results in the phenomena of temporal isolation. The difference in their mating seasons or the time of day they are active could be the reason for this divergence. This type of isolation reduces the likelihood of interbreeding between the two species, which may eventually lead to speciation.Because two species of beetles in the provided question are active at separate times of the day and do not cross-pollinate, it can be said that these species are exhibiting a temporal form of isolation.learn more about Temporal isolation here: https://brainly.com/question/469933
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100 points:
are these declarative memories or non declarative memories?
Put D for declarative and N for non declarative:
-Deciding on his favorite ice cream
-Recalling a synonym for the opposite of the word "good"
-Riding a bicycle
-Conveying the nature of his condition
- Deciding on his favorite ice cream - N
- Recalling a synonym for the opposite of the word "good" - D
-Riding a bicycle - N
-Conveying the nature of his condition - N
Nondeclarative memory(N) is a grouping of different memory types that work automatically and store data that cannot be accessed by conscious remembrance. Declarative memory(D) is the capacity to consciously recall declarative knowledge, usually in response to a specific request to remember, after having retained it for a long amount of time.
Therefore, Deciding on his favorite ice cream , Riding a bicycle and Conveying the nature of his condition are all non declarative memory(N)and Recalling a synonym for the opposite of the word "good" is a type declarative memory(D).
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Pancreatic amylase catalyzes the breakdown of oligosaccharides to disaccharides with the addition of water. What classification of enzymes would amylase be in
If you want to see something in fine detail, you should focus the light on which part of your retina?
If you want to see something in fine detail, you should focus the light the cornea. The lens works together with the cornea to focus light correctly on retina.
When light hit on retina special cells called photo receptors turn the light into electrical signals. The lens are the clear part of eyes behind the iris that help to focus light and image on retina to see something clearly.Lens is the important part of eye when it comes to focusing light so that we can see perfect clear image.
The retina is the most sensitive part which can effect by more light because retina convert incoming light into electrical impulse.
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Which sensory receptors would play the biggest part in alerting you when you have forgotten to wash your gym socks for 3 weeks
Olfactory receptors would play the biggest part in alerting you when you have forgotten to wash your gym socks for 3 weeks.
How are the olfactory receptors activated?Olfactory receptor, often known as the "smell receptor," is a protein that can bind odor molecules and is essential for the perception of smell (olfaction). Arthropods, terrestrial vertebrates, fish, and other creatures all share these receptors. Airborne odor molecules that reach the nasal cavity and bind to olfactory receptors can be detected by olfactory receptors.
The bipolar neurons themselves are specialized because each olfactory sensory neuron has a single type of receptor on its cilia, and those receptors are designed to detect particular odorants. The hypothalamus receives information from the olfactory tracts. In the mucus, odorants break down and attach to receptors. The olfactory bulbs get impulses from mitral cells.
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What evidence suggests that the development of schizophrenic disorders is not entirely explained by genetics?
None of the twin studies have found a concordance rate that even approaches 100 percent. This evidence suggests that the development of schizophrenic disorders is not entirely explained by genetics
Identical twins were studied for relation of schizophrenia to genetics. There is a less than 0.5 association between identical twins with identical genomes and schizophrenia. As a result, it can be concluded that schizophrenia is not solely a genetic disorder.Although schizophrenia frequently runs in families, no one gene is known to be the cause. It's more likely that particular gene combinations increase a person's susceptibility to the illness. Nevertheless, schizophrenia is not a guarantee if you have these genes.The possibility that a person may acquire the illness is influenced by environmental risk factors such as pregnancy and birth problems, childhood trauma, migration, social isolation, urbanization, and substance misuse, operating alone and in combination throughout time at various levels.learn more about schizophrenic disorders here:https://brainly.com/question/7201954
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what do you think is the greatest challenge to survival faced by both plants and anivlams that live in the desert
Getting and keeping enough water in their bodies
Water loss is the greatest challenge to organisms that live in a desert biome
What do you think is the greatest challenge to survival faced by both plants and anivlams that live in the desert ?They face scorching hot air and ground temperatures during the summer season, and unpredictable and limited water even during the rainier seasons.
In order for plants to survive in the desert, they have adaptations that allow them to collect and store water and moisture and, prevent moisture lossAnimals survive in deserts by living underground or resting in burrows during the heat of the day.Learn more about Dersert plants and animals here:
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The initiating event in the development of nephrotic syndrome is a derangement in the glomerular membrane that causes increased permeability to which substance
The initiating event in the development of nephrotic syndrome is a derangement in the glomerular membrane that causes increased permeability to plasma proteins.
Nephrotic syndrome can be understood as a kidney disorder in which the glomeruli filter of the kidney gets damaged due to which it is unable to filter the proteins and passes an excess amount of protein in the urine.
Glomeruli filter consists of clusters of small blood vessels in the kidneys that function in filtering the waste and excess water from the blood. It also sweeps the blood protein which is necessary to maintain the correct amount of fluid in the body, from seeping into the urine. But when it gets damaged glomeruli stop sweeping the protein from the urine as a result too much blood protein leaves your body, leading to nephrotic syndrome.
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Which is a strain or tear on any of the muscles that straighten the hip and bend the knee:________
A strain or tear on any of the muscles that straighten the hip and bend the knee: Hamstring strain.
Three muscles that run from your thigh to your knee on the back of your leg—the biceps femoris, semitendinosus, and semimembranosus—help you bend and extend your knee and hip.The hamstring is the name given to them all. A hamstring strain will frequently feel abrupt and acute in the back of your thigh. The feelings of "popping" or tearing are also conceivable. Swelling and soreness frequently start to show up within a few hours. Each year, hamstring strains affect both sportsmen and non-athletes on an equal basis. Even though certain injuries can heal naturally with time and rest, you run the risk of not fully recovering if you put off seeking medical attention.learn more about hamstring strain here: https://brainly.com/question/13619683
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Evidence that supports the prokaryotic origins of mitochondria and chloroplasts are all of the following except __________.
Your question was incomplete (please check below the full content). The evidence that supports the prokaryotic origins of mitochondria and chloroplasts do not include multiple DNA copies associated with inner membranes.
What is organellar DNA?The organellar DNA is the genome contained within mitochondria and chloroplasts, which is independent of nuclear eukaryotic DNA.
The organellar DNA contains multiple DNA molecules, which are found in association with the inner membrane, ant is not found in prokaryotic life forms.
The complete question in this case is: "Evidence that supports the prokaryotic origins of mitochondria and chloroplasts are the presence of mitochondria, a eukaryote engulfing prokaryotic photosynthetic cells, and non-photosynthetic eukaryotes, EXCEPT."
The endosymbiotic theory states that mitochondria and chloroplasts evolved from prokaryotic microorganisms that entered into a primitive eukaryotic cell.
This theory is supported by certain features of mitochondria and chloroplasts such as a similar size to prokaryotes.
In conclusion, evidence do not include the arrangement of the organellar DNA.
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The prototype approach assumes that stimuli are classified into different concepts based on features that are ________.
The prototype approach assumes that stimuli are classified into different concepts based on features that are set of entities within the category that represent a prototypical member.
The acquisition of a prototypical representation of a category through some sort of abstraction process, according to prototype theory, is how categorization is accomplished. According to Posner (1969) and Neumann (1977), the prototypical representation is thought to be a summary representation that represents the "central tendency" of all the examples that have been encountered. Then, new examples can be categorized according to how closely they resemble this "best example." Think about what happens when someone is asked to envision a category like "tree," for instance. Usually, a representative example of this category comes to mind right away.learn more about prototype approach here: https://brainly.com/question/9558609
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Which type of neuron sends information from the central nervous system to the muscles to generate movement?
Efferent neurons are a specialized type of neurons that send information from the central nervous system to the muscles to generate movement.
What are efferent neurons?Efferent neurons, also called motor neurons, are specialized types of nerve cells associated with the muscle cell to modulate controlled voluntary movements in the body.
These types of neurons (efferent neurons) are well-known to transport stimuli from the cerebrum to the peripheral nervous subsystem of the nervous system.
In conclusion, efferent neurons are a specialized type of neurons that send information from the central nervous system to the muscles to generate movement.
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The invention that led to the widespread transport of livestock was the railroad system.
True
False
Answer:
false
Explanation:
Barbed wire had a major impact on the cattle industry of the Western U.S so many farmers used barbed wire.
A part of the shoulder complex, also referred to as the breastbone, is the _____.
Answer:
sternum
Explanation:
sternum, also called breastbone, is the elongated bone in the center of the chest