The diagram that shows how the Sun's energy is transferred in a food chain that ends with a chicken sandwich and you, is attached as image and explained as follow:
The food chain is given below is the representation of the flow of energy from the sun to a man by eating a chicken sandwich:
Sun's light energy trapped into Plants → grasshoppers →chicken→ human
The Sun is the ultimate source of energy that is converted by the plant into sugar molecules therefore, plants are the primary source of food in a food chain.
The animals that feed on plants are called primary consumers like the grasshopper in this chain. The organisms feeding on primary consumers will be the secondary consumers like chicken.
Humans depend on both plants and animals so, feed on chickens in this food chain as a chicken sandwich.
Energy flow:
An energy pyramid for three of the organisms can be shown as follows:
Human (10 kilocalories)
↑
chicken (100 kilocalories)↑
Grasshopper (1000 Kilocalories)↑
Plants ( 10000 kilocalories)
The loss of 90% of the energy of the previous trophic level in the pyramid is based on the 10% law of energy flow which says only about 10% of the energy travels from one trophic level to another.
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You are a farmer starting an orchard and interested in breeding citrus trees. In grapefruits, big fruit (B) is dominant over small fruit (b), and silky skin (S) is dominant over rough skin (s). You cross a homozygous tree that has big fruit and silky skin, with a homozygous tree that has small fruit and rough skin. You self-cross the F1 to produce the F2.
Required:
a. What will be the phenotypic ratios in the F2?
b. If you backcross an F1 tree with the big, silky skin parent, what phenotypes and proportions would you expect in the offspring?
c. If you backcross an F1 tree with the small, rough skin parent, what phenotypes and proportions would you expect in the offspring?
On the retina of the eye, the area having no sensory cells is called
A) Rod cells
B) Blind spot
C) Yellow spot
D) Cone cells
Answer:
b.
blind spot
that's the answer
A group of researchers transformed E. coli to express
dsRNA that matched a transcription factor, eaf-1. They
then fed these E. coli to C. elegans worms. When the
researchers examined the C. elegans, they found that
they had fewer offspring and were smaller individuals,
with similar characteristics to C. elegans in which eaf-1
had been knocked out.
The students suggested several hypotheses based on
these observations about how RNAi worked:
1. The dsRNA inhibited gene transcription.
2. The dsRNA inhibited mRNA processing.
3. The dsRNA inhibited translation of mRNA into protein.
4. The dsRNA inhibited protein folding.
Mark this and return
The researchers then performed a series of experiments
to determine which hypothesis was correct. The C.
elegans were found to be transcribing eaf-1 into mRNA,
but not producing eaf-1 protein. When the students
directly injected C. elegans with dsRNA and tracked
tagged mRNA, they found the mature mRNA was
degraded in the cytoplasm, and ribosomes were not
binding to it. Which hypothesis is supported by these
observations?
The hypothesis that is supported by these observations is that the dsRNA inhibited the translation of mRNA into protein (third option).
What does the experiment reveal about dsRNA?In this experiment, the C. elegans worms were transcribing eaf-1 into mRNA but not producing the eaf-1 protein. This phenomenon shows that dsRNA inhibited the translation of mRNA into protein related to the action of E. coli on the worms.
This also explains why the worms affected by this bacteria had fewer offspring and the offspring were smaller.
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Which is an unseen factor that affects the carrying capacity of the ocean? (1 point)
A. water chemistry
B. water availability
C. space
D. sunlight
Answer:
SPACEExplanation:
Carrying capacity, or the maximum number of individuals that an environment can sustain over time without destroying or degrading the environment, is determined by a few key factors: food availability, water, and space
Look at the albino whale people have named Migaloo. The white color is the result of mutations in the genes that code for the proteins responsible for skin color. Is Migaloo’s white color likely to be an advantage in its current environment? Explain your answer.
No, the white color of Migaloo is not most likely an advantage in its current environment. This is because white is the color that is easily perceived by predators.
What is the Mutation?A mutation may be defined as sudden, stable, and inheritable changes in the genetic material of an organism. An organism that undergoes an event of mutation is known as a Mutant. The agents of mutation are known as mutagens.
White color is easily perceived by predators as compared to black, brown, grey, etc. So, it somehow reduces the fitness and survivability of Migaloo. This white color is the result of mutations in the genes that code for the proteins responsible for skin color.
Therefore, the white color of Migaloo is not most likely an advantage in its current environment.
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The condition that is most likely causing M’Kenna’s symptoms is
How are most traits inherited
Along with Earth’s crust, which portion of the upper mantle forms the lithosphere?
A.
cooler, more rigid outer portion
B.
hotter, liquid-like inner portion
C.
cooler, liquid-like inner portion
D.
hotter, more rigid outer portion
Answer:
A = cooler, more rigid outer portion
Explanation:
Plato answer is A
Answer:
edmentum :)
Explanation:
en las tumbas egipcias era habitual econtrarse con ánimales embalsados similares a los que se podían encontrar con su vida en el momento de que los descubrimientos. considerando que el pueblo antiguo egipto existió hace aproximadamente 5 mil años porque creen que estos hallazgos apoyaron la teoría de que las especies eran fijas y no tenían transformaciones con el tiempo
Answer:
I will help you but I don't understand the language sorryyyy
The sodium-potassium pump does not do which of the following actions?
-Moves sodium molecules against their concentration gradient into the cell
using ATP.
-Moves sodium molecules against their concentration gradient out of the cell
using ATP.
-Maintains the cell's physiological needs by establishing an electrochemical
gradient.
-Moves potassium molecules against their concentration gradient into the cell
using ATP.
The sodium-potassium pump does not allow the movement of sodium molecules against their concentration gradient into the cell with the use of ATP molecules.
In sodium-potassium pump, the sodium moves outside the cell whereas potassium moves inside the cell with the help of using ATP molecules. The sodium-potassium pump maintains the gradient of higher concentration of sodium extracellularly means outside the cell and a higher level of potassium intracellularly means inside the cell. This process is done only in the presence of ATP molecules that provides a force for the movement of sodium and potassium so we can conclude that no movement of sodium occur inside the cell in the sodium-potassium pump.
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Answer: Moves sodium molecules against their concentration gradient INTO the cell using ATP.
Explanation:
The sodium-potassium pump moves sodium molecules against their concentration gradient out of the cell and moves potassium molecules against their concentration gradient into the cell. It also helps to regulate internal physiological needs through gradients. However, it doesn’t move sodium ions into the cell—that occurs through passive transport.
PENN
Which is not a property of a mineral
A: magnetism
B: color
C: reflection
D:cleavage
1. Angelman syndrome and Prader-Willi syndrome are used as examples of epigenetic inheritance.
a. Explain the symptoms and effects of each of these diseases.
Angelman syndrome is characterized by intellectual disability, severe speech impairment, ataxia, seizures, and a happy demeanor. Prader-Willi syndrome involves hypotonia, hyperphagia, obesity, intellectual disability, behavioral problems, and short stature.
Angelman syndrome and Prader-Willi syndrome are two distinct genetic disorders that are often discussed in the context of epigenetic inheritance. Both conditions result from abnormalities in a specific region of chromosome 15, but they have opposite effects due to differential genetic imprinting.
Angelman syndrome is characterized by developmental delays, severe intellectual disabilities, speech impairments, and motor coordination problems.
Individuals with Angelman syndrome often exhibit a happy and excitable demeanor, with frequent episodes of laughter and a fascination with water. They may also experience sleep disturbances, seizures, and a lack of speech development.
On the other hand, Prader-Willi syndrome manifests with distinct symptoms such as hypotonia (poor muscle tone) during infancy, hyperphagia (insatiable appetite) leading to obesity, developmental delays, learning difficulties, and behavioral challenges.
Individuals with Prader-Willi syndrome often have a compulsive need for food and struggle with weight management. They may also experience hormonal imbalances, growth hormone deficiency, and behavioral issues such as temper tantrums and obsessive-compulsive behaviors.
Epigenetic inheritance refers to the transmission of information from one generation to another that affects gene expression without altering the underlying DNA sequence.
In the case of Angelman and Prader-Willi syndromes, these conditions result from epigenetic changes, specifically imprinting, in the chromosomal region involved. Imprinting refers to the process by which certain genes are marked or silenced based on their parental origin.
In Angelman syndrome, the paternal copy of the UBE3A gene is deleted or silenced, leading to a lack of functional UBE3A protein in the brain. In Prader-Willi syndrome, the maternal copy of the same gene is affected. These imprinted genes play critical roles in brain development and function, leading to the distinct symptoms observed in each disorder.
It is important to note that while both Angelman and Prader-Willi syndromes are considered examples of epigenetic inheritance, the underlying mechanisms and specific epigenetic changes involved are complex and continue to be studied.
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1 point
The Venus flytrap is a carnivorous plant that grows best in nutrient-poor,
acidic soil. They typically grow in certain longleaf pine savanna ecosystems
in the Carolinas. Which of the following terms best describes this species?
OA keystone species, because it is carnivorous
OA generalist species, because it is advantaged in changing habitats.
OAn invasive species, because it competes with other plants for water and sunlight.
OA specialist species, because it thrives only in soils with low pH and nutrient levels
Answer:
a
Explanation:
The term that best describes the specified species is:
D. A specialist species, because it thrives only in soils with low pH and nutrient levelsAccording to the given question, we are told that the Venus flytrap is a carnivorous plant which thrives in an acidic and nutrient-poor soil.
This means that this plant is a survivalist specie because it is able to grow best and survive in a situation where the pH levels and nutrient content of rhe soil is low.
A survivalist specie is one that is able to adapt easily to poor environment and still produce fruits effectively.
Therefore, the correct answer is option D.
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Can someone please help me on this assignment I really need help
For this assignment, you will be writing an abstract of a scientific paper. (25 points)
An abstract is a short, concise summary of a scientific study or literature review.
Use the links below to guide you when reading and writing your scientific abstract.
Rough draft due: 4/20 Final draft due 4/25
Please click this link for the scientific paper you will read and write an abstract on.
I provided pictures of reading
Be sure you summarize each section of the research paper in your abstract.
Keep your abstract under 250 words
Be concise!
The abstract about Prokaryotic genomics is given below
The AbstractProkaryotic genomics is the study of the genetic makeup of bacteria and archaea. Advances in sequencing technology have led to a vast amount of genomic data that has provided insights into the diversity and evolution of prokaryotes.
Comparative genomics has allowed for the identification of genes associated with specific traits, such as virulence, antibiotic resistance, and metabolism.
Additionally, genomic studies have provided a better understanding of the mechanisms of horizontal gene transfer, which plays a significant role in prokaryotic evolution.
Prokaryotic genomics has the potential to contribute to the development of new antibiotics and to the understanding of the microbial ecology of diverse environments.
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In South America near the Andres Mountains and in Africa near Mt. Kilimanjaro, the climate is cold. Why do you think this is so?
The cold climate near the Andes Mountains in South America and Mt. Kilimanjaro in Africa is primarily due to their high elevations. As air rises over mountain ranges, it cools and loses moisture, resulting in lower temperatures and arid conditions on the leeward side of the mountains.
What is the height of Mt. Kilimanjaro?Mount Kilimanjaro is the highest peak in Africa, rising over 19,000 feet above sea level. The mountain's height and location near the equator result in a unique climate that includes freezing temperatures at the summit despite its proximity to the hot and humid tropics below.
The cold climate near the Andes Mountains and Mount Kilimanjaro is a result of their high elevations and their location on the leeward side of mountain ranges, where air cools and loses moisture as it rises.
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Please answer 8,9, and 10 for 20 points plus brainliest :) link=reported, those dont help
Answer:
8. T= d/s = 139/13 = 11.1 seconds (rounded to 1dp)
9. d= sxt = 3 x 15 = 45m
10. d= sxt = 2.5 x 5 = 12.5m
Explanation:
A new strain of rice was developed to be resistant to popular weed killers. What could be a negative outcome from the production of this new rice variety?
A.
The rice crops will be more productive due to less competition with other plants.
B.
If it accidentally spreads to areas where it is unwanted, it will be difficult to remove.
C.
There are no possible negative outcomes from this new strain of rice.
D.
Farmers will be able to spray weeds growing near the rice without worrying about killing the rice.
A new strain of rice gives more production but a negative outcome is spread to unwanted areas, hence option b is correct.
What is a strain of rice?Due to agricultural laws that prohibit the keeping of seeds from harvests and the planting of plants of a different genetic make or made by a different company.
You need to locate a pesticide that your plants are resistant to, find each one of them individually, and pluck them, or treat your entire garden with a pesticide that would kill all of your plants but not the resistant variety.
Therefore due to the spread in unwanted areas, new strains of rice have a negative impact.
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which particular type of drug is obtained from ergot
Answer:
What drugs are in ergot?
Dihydroergotamine and ergotamine belong to the group of medicines known as ergot alkaloids. They are used to treat severe, throbbing headaches, such as migraine and cluster headaches. Dihydroergotamine and ergotamine are not ordinary pain relievers.
Explanation:
What drugs are in ergot?
Dihydroergotamine and ergotamine belong to the group of medicines known as ergot alkaloids. They are used to treat severe, throbbing headaches, such as migraine and cluster headaches. Dihydroergotamine and ergotamine are not ordinary pain relievers.
Answer:
diethylamide, also called lysergide, potent synthetic hallucinogenic drug that can be derived from the ergot alkaloids (as ergotamine and ergonovine, principal constituents of ergot, the grain deformity and toxic infectant of flour caused by the fungus Claviceps purpurea).
hope it help you
Where do most transform boundaries occur?
Answer:
QUESTION:
Where do most transform boundaries occur?
ANSWER:
Transform Plate Boundaries are locations where two plates slide past one another. The fracture zone that forms a transform plate boundary is known as a transform fault. Most transform faults are found in the ocean basin and connect offsets in the mid-ocean ridges.
Explanation:
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Which is not a characteristic of glycogen?
[] soluble in lipids
[] soluble in water
[] polysaccharide
[] occurs in the liver
Answer:
2
Explanation:
I I thought know what is the mean of that
Answer:
soluble in lipids
Explanation:
gkycogenis a fatty acid. fatty acids are not soluble in lipids
Nobody has been able to figure out this question can anybody help me I only have about 10 more minutes
Answer:
I think its the absolute age of the fossil
Explanation:
I am not sure tho
evolutionary significance of bryophytes
The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.
Here are some key evolutionary significance of bryophytes:
Adaptation to land: Bryophytes are considered some of the earliest land plants.
They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.
They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.
Moisture retention: Bryophytes have adaptations that enable them to retain moisture.
They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.
This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.
Soil formation: Bryophytes, especially mosses, contribute to soil formation.
They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.
Their decomposed remains also contribute organic matter to the soil, enriching its fertility.
Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.
Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.
They contribute to the overall biodiversity and ecosystem functioning.
Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.
Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.
Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.
Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.
Monitoring bryophytes can provide insights into the health and integrity of ecosystems.
Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.
Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.
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The bryophytes, which include mosses, liverworts, and hornworts, have significant evolutionary significance in the plant kingdom despite their relatively small size and simple structure, they played a crucial role in the colonization of terrestrial environments and the subsequent evolution of higher plants.
Here are some key evolutionary significance of bryophytes:
Adaptation to land: Bryophytes are considered some of the earliest land plants.
They were the first plants to transition from aquatic to terrestrial habitats, paving the way for the colonization of land by other plant groups.
They developed strategies to overcome challenges such as desiccation, limited nutrients, and anchorage to the soil.
Moisture retention: Bryophytes have adaptations that enable them to retain moisture.
They possess specialized structures, such as rhizoids and mucilage, that help absorb and retain water.
This ability to retain water and survive in relatively dry environments was an important adaptation for the conquest of land.
Soil formation: Bryophytes, especially mosses, contribute to soil formation.
They can grow on bare rocks and soil, where their rhizoids aid in weathering and breaking down substrates.
Their decomposed remains also contribute organic matter to the soil, enriching its fertility.
Habitat creation: Bryophytes provide habitat and microenvironments for other organisms.
Their dense mats or cushions create shelter, moisture, and temperature buffering for a variety of organisms, including insects, small invertebrates, and microorganisms.
They contribute to the overall biodiversity and ecosystem functioning.
Reproductive strategies: Bryophytes have unique reproductive strategies. They produce spores that can disperse and colonize new habitats.
Their reproductive structures, such as gametophores and sporophytes, exhibit various adaptations that allowed for successful reproduction in terrestrial environments.
Ecological indicators: Bryophytes are sensitive to environmental changes, making them valuable ecological indicators.
Their presence, abundance, and diversity can indicate environmental conditions such as air quality, moisture levels, and habitat disturbance.
Monitoring bryophytes can provide insights into the health and integrity of ecosystems.
Overall, bryophytes played a crucial role in the evolution and colonization of land by plants.
Their adaptations, ecological roles, and evolutionary history make them important subjects of study for understanding plant evolution, ecosystem dynamics, and the colonization of terrestrial environments.
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Question 10 of 10
In which two processes do cells make a small amount of ATP for every
glucose molecule split in two?
A. Glycolysis
B. Fermentation
C. The electron transport chain
D. The Krebs cycle
SUBMI
Glycolysis and Kreb's cycle are two processes in which cells make a small amount of ATP for every glucose molecule split in two.
Describe glycolysis.
The process by which glucose is broken down to provide energy is known as glycolysis. It generates two pyruvate molecules, ATP, NADH, and water. There is no need for oxygen throughout the process, which occurs in the cytoplasm of a cell.
An overall net of two ATP molecules will be created during fermentation and glycolysis. To prevent glycolysis from ceasing, fermentation will produce 2 ATP, and glycolysis will produce 2 ATP through substrate level phosphorylation. There is no electron transport system involved in fermentation, and no ATP is produced during the fermentation process itself. Two ATP, six NADH +H+, and two FADH2 were created during the Krebs cycle. Due to the two pyruvic acid molecules that enter the system for every glucose molecule, two ATP molecules are produced.
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Seeds are produced during sexual reproduction. Describe one function of the seeds produced by plants
Answer:
they (the offsprings) grow into new plants
Explanation:
How can natural selection and genetic drift impact the evolution of a species?
Answer:
Both natural selection and genetic drift can impact the evolution of a species in different ways. Here are some examples:
Natural selection can cause the evolution of new adaptations that improve the fitness of a population. For example, if a population of birds lives in an environment with two types of seeds, birds with larger beaks may be better able to crack open the larger seeds and have a higher chance of survival and reproduction. Over time, the frequency of the larger beak trait may increase in the population, leading to the evolution of a new adaptation.
Genetic drift can cause the loss of genetic diversity within a population, which can reduce the ability of a population to adapt to changing environmental conditions. For example, if a population of insects experiences a severe reduction in population size due to a natural disaster, certain alleles may be lost from the population due to chance events. This can reduce the genetic diversity of the population and make it more vulnerable to environmental changes in the future.
Explanation:
Marijuana is an accepted medical treatment for the nausea and vomiting associated with chemotherapies.
Numerous small studies have demonstrated that smoking marijuana helps to reduce nausea and vomiting brought on by cancer chemotherapy.
Several studies have shown that marijuana can be smoked or vaporized to reduce neuropathic pain (pain caused by damaged nerves).
Marijuana use enhances food intake in HIV patients, according to studies. There are no studies on the effects of hemp or marijuana oil on people. Studies have long shown that patients who ingested marijuana extracts during clinical trials tended to use painkillers less frequently.
More recently, scientists found that THC and other cannabinoids like CBD destroyed or reduced the growth of several cancer cells growing in test dishes. According to several animal studies, some cannabinoids may inhibit the growth and spread of various malignancies. There have been preliminary clinical trials using cannabis to treat human cancer, and additional studies will likely follow.
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Which of these is an example of variation?
Identical twins having identical DNA.
Two potato plants that are clones of each other.
Two Guinea pigs having different coloured fur.
Two human beings having similar body parts.
Answer:
Two Guinea pigs having different coloured fur
Explanation:
the variation is that there are differences between the colours, so that is the variation
Answer:
Two Guinea pigs having different coloured fur is an example of variation.
Variation refers to differences or diversity within a population. Identical twins having identical DNA and two potato plants that are clones of each other have no variation because they are genetically identical. Two human beings having similar body parts is too vague to be considered an example of variation.
Animal and plant organs are organized into organ systems, thus resembling the way you organize
nimal and plants organs are organized into organ systems,much like you organize your homework in. ... The animals in which cells are organized into structural and functional units ... You organize files by storing
What type of object are on the sun
Answer:
fire
Explanation:
According to the Law of Conservation of Mass, there need to be the samenumber of atoms on each side of a chemical equation. Photosynthesis andcellular respiration have been described as opposite reactions. In order toshow the Law of Conservation of Mass, which of the following must be truefor these two reactions?F. Photosynthesis uses more hydrogen atoms, but both reactions use thesame number of carbon atoms.G. Photosynthesis uses more carbon atoms and cellular respiration hasfewer oxygen atoms.H. Photosynthesis uses the same number of oxygen atoms as cellularrespiration, but cellular respiration uses more hydrogen.1. Photosynthesis and cellular respiration each use the same number ofcarbon, hydrogen, and oxygen atoms.
Solution:
Note that Photosynthesis is represented by the following chemical formula:
On the other hand, Cellular respiration or aerobic respiration is represented by the following chemical formula:
According to the above information, note that Photosynthesis and cellular respiration each use the same number of carbon, hydrogen, and oxygen atoms. So that, we can conclude that the correct answer is the last option:
Photosynthesis and cellular respiration each use the same number of carbon, hydrogen, and oxygen atoms.