explain how coevolution can result from a long-term positive interaction or long-term negative interaction between species.
Answers
In an interaction, adaptations that provide one species a fitness advantage are likely to be offset by adaptations in the other species that take away this advantage.
Coevolution is the process by which two or more species change jointly due to their interactions.The reciprocal evolutionary change that occurs throughout time as a result of interactions between a group of interacting populations is known as coevolution, or coevolution. The populations that interact most frequently are those of distinct species, such as host-parasite, predator-prey, or plant-pollinator.
Positives include the hummingbird's evolution of a beak for nectar and the aid to flower reproduction.
Negative: As a result of competition for survival, crabs have developed stronger pincers for opening shells (murex).
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Related Questions
Why is a food chain is the simplest model of energy flow between trophic levels in an ecosystem?
Answers
because it represents only one pathway of energy flow:
Explanation:
Al is analyzing the musculature involved in the athletes he coaches. Today he is observing a basketball player executing a jump shot. Which muscles are involved at the hips, knees, and ankles as the athlete jumps? which muscles are involved at the shoulders, elbows, and wrists as the athlete shoots the basketball?
Answers
Muscles of the hips and ankles are involved at the hips, knees, and ankles as the athlete jumps. The muscles of the arm, forearm, and hand are involved as the athlete shoots the basketball.
When landing from a jump, the muscles of the hips (gluteals), knees (quadriceps and hamstrings), and ankles (calves) that increase jump height are just as important. The flexors of the arm (anterior deltoid, biceps, coracobrachialis), forearm (brachialis), and hand during the handling phase, as well as the extensors (triceps) and pronators (pronator teres) of the forearm during the finishing stage of the shot, are the primary muscle groups of the upper limb that intervene during the action of the shooting. Until the player does not bend, the lower limb muscles contract isometrically and work concentrically (knee flexors) during the bending step.
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anaerobes outnumber aerobes in all of the following locations, except a. skin. b. oral cavity. c. gastrointestinal (gi) tract. d. genitourinary tract.
Answers
Anaerobes can't outnumber aerobes in skin. This is because the skin is more accessible to oxygen and increases the number of aerobes. So option a is suitable.
Aerobic microorganisms are those organisms that survive in the presence of oxygen. And anaerobic microorganisms are those organisms that survive without the presence of oxygen. The examples of aerobic microorganisms are E. Coli, Klebsiella, and Citrobacter. And examples of some anaerobic microorganisms are Prevotella, Clostridia, Bacteroides, and Fusobacterium.
In the body, anaerobic microorganisms grow in the deep surfaces or tissues as normal flora like the mouth or oral cavity, genital tract, and gastrointestinal tract. Most aerobes are found on the skin surface which is more accessible to oxygen. Therefore, the correct option is a.skin.
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what would happen if the phosphoinositide 3-kinase enzyme disappeared from the system above? group of answer choices irs-1 would still bind to the insulin receptor. true akt would still be activated. false insulin would not interact with the receptor. true the cell would become insulin-resistant. true
Answers
The insulin receptor will still bind to IRS-1.
What occurs when insulin is absent?Without adrenaline, your body will start metabolizing its own fatty acids and muscle, which will make you lose weight. This can result in diabetic ketoacidosis, a dangerous short-term disease. At this point, the bloodstream turns acidic, you start to experience dangerously high blood ketone levels, and you start to experience acute dehydration.
What effects does insulin have?In order for blood sugar to be utilised as fuel by the body's cells, insulin aids in its absorption. The liver receives a signal from insulin to store glucose levels fer later use. When sugar levels enters cells, blood sugar levels fall, which tells insulin to do the same.
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calculate the expected change in heterozygosity under genetic drift from this generation to the next generation for the following randomly mating population.
Answers
The expected change in heterozygosity under genetic drift from one generation to the next in a randomly mating population is zero.
Genetic drift is a random process that can lead to changes in allele frequencies within a population over generations. Heterozygosity refers to the presence of different alleles at a particular genetic locus in an individual. Under genetic drift, the expected change in heterozygosity from one generation to the next is zero. This means that, on average, the overall level of heterozygosity within the population remains unchanged over time. Genetic drift occurs due to chance events, such as random sampling of individuals for reproduction and the subsequent loss or fixation of alleles. However, because genetic drift is a stochastic process, its effects can be unpredictable in any given generation. Nevertheless, when considering the average across multiple generations, the expected change in heterozygosity under genetic drift is effectively zero.
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What solution makes an egg swell the most? The solution needs to be attainable from home.
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what does digital darwinism imply? group of answer choices organizations which can adapt to the new demands placed on them for surviving in the information age are doomed to extinction organizations which cannot adapt to the new demands placed on them for surviving in the information age are doomed to extinction organizations which can adapt to new information systems are doomed to extinction organizations which cannot adapt to new information systems are doomed to exile
Answers
Digital darwinism implies that organizations that cannot adapt to new demands placed on them for surviving in the information age are likely to be extinct.
Extinction happens while species are faded because of environmental forces consisting of habitat fragmentation, weather trade, natural disaster, over exploitation by using people, and pollution, or because of evolutionary modifications in their members (genetic inbreeding, poor reproduction, decline in population numbers).
An extinction occasion is a giant and fast decrease inside the biodiversity in the world. Such an occasion is recognized via a pointy change inside the diversity and abundance of multicellular organisms.
The main cutting-edge causes of extinction are the loss and degradation of habitat (Deforestation), over exploitation, invasive species, climate exchange, and nitrogen pollutants.
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Scientist have discovered many fossils of dinosaurs. However, they have
not discovered any dinosaur's fossils in rock layers that are younger than
65 million years old. What conclusion can be drawn from this evidence?
Answers
Answer: kjb.xdkz3c1kzsd BCjhsd,
Explanation:ac kSHBCikas;BVCVJSVajcvjhcvsajhacvA thats why
The nutrition label shows the total amount of carbohydrates in grams. One gram of carbohydrates provides four calories of energy. 2 column 19 row table titled Nutrition Facts, Serving Size 5 ounce (120 grams), Servings Per Container 4. Amount Per Serving. Calories, 33. Calories from Fat, 0. Row headings are Total Fat, Cholesterol, Sodium, Total Carbohydrate, Protein, Vitamin A. For this food, the number of calories obtained from carbohydrates is?
Answers
The correct answer is 64 calories of power can be obtained by the carbohydrate located within the packed food.
The nutritional label of the food indicates the total quantity of carbohydrates within the packet of meals.
If one gram of carbohydrates yields four energy of strength.
The packet suggests that it contains 16 grams of carbohydrates, then the entire electricity that is received by means of eating 16 grams of carbohydrates may be 16*four = 64 calories.
Carbohydrates are one of the three macronutrients essential for human nutrition, alongside proteins and fats. They are primarily found in plant-based foods, such as fruits, vegetables, grains, and legumes. Carbohydrates serve as the body's main source of energy, providing glucose to fuel bodily processes and physical activity.
Carbohydrates are composed of carbon, hydrogen, and oxygen molecules and can be categorized as simple or complex. Simple carbohydrates, also known as sugars, include glucose, fructose, and lactose, which are found in fruits, honey, and milk, respectively. Complex carbohydrates, on the other hand, are made up of multiple sugar molecules and include starches and fibers, which are found in grains, vegetables, and legumes.
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The air you EXHALE contains the products of which process? *
Answers
answer:
um
explanation:
the question literally makes no sense lol
Which of the following is NOT an example of homeostasis?
As humans age, they become more susceptible to disease and cancer.
During rigorous exercise the heart rate increases to deliver more blood to the cells.
When blood glucose is high, the hormone insulin reduces blood glucose.
When body temperature rises, nerve impulses cause sweat glands to release more sweat.
Answers
As humans age, they become more susceptible to disease and cancer.
The statement "As humans age, they become more susceptible to disease and cancer" is not an example of homeostasis. Homeostasis refers to the ability of an organism or system to maintain a stable internal environment despite external changes. It involves the regulation and balance of various physiological processes.
The other options provided in the question are examples of homeostasis:
During rigorous exercise, the heart rate increases to deliver more blood to the cells. This is a mechanism by which the body maintains an adequate supply of oxygen and nutrients to the working muscles during increased physical activity.When blood glucose is high, the hormone insulin reduces blood glucose. This is an example of the body's regulation of blood sugar levels to maintain them within a specific range.When body temperature rises, nerve impulses cause sweat glands to release more sweat. This is a response that helps regulate body temperature by cooling the body through evaporation of sweat.In contrast, the statement about aging and increased susceptibility to disease and cancer does not describe a mechanism of maintaining internal stability or balance. Aging is a natural process that is associated with various changes in the body, including a decline in certain physiological functions and an increased risk of developing diseases. It does not directly relate to the concept of homeostasis.
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10. Why are most species that have ever lived on Earth extinct?
Answers
Explanation:
At least 571 species have been lost since 1750, but likely many more. The main cause of the extinctions is the destruction of natural habitats by human activities, such as cutting down forests and converting land into fields for farming.
Answer:
Some animals have gone extinct due to over hunting on them for skin, while some have died of because they weren't able to adapt to their environment because it change over time, causing them to go extinct
Explanation:
what factors are responsible for increasing the size of a population?
Answers
Answer:
Economic development
Explanation:
1. Natural increase: This refers to the difference between the number of births and the number of deaths in a population. If the number of births is greater than the number of deaths, the population will grow.
2. Immigration: If people move into a population from other areas, it can contribute to population growth.
3. High fertility rates: A high fertility rate, or the average number of children a woman has during her reproductive years, can also contribute to population growth.
4. Increased life expectancy: If people are living longer due to advances in medicine and public health, the population will grow.
5. Changes in social norms: Changes in social norms, such as the acceptance of smaller families, can also impact population growth.
It's worth noting that population growth is not always a positive thing, as it can put strain on resources and the environment. Some countries have implemented policies to encourage smaller families and slow population growth.
Pls award brainliest!
What is medicine and surgery ? Plzz clear me in easy word
Answers
Answer:
Explanation:
Medicine refers to the discovery, diagnosis and treatment for a particular disease or ailment including prescription of the proper medication
Surgery refers to the process in which an individual is treated for a range of conditions by manipulation or incision with particular instruments
T/F: active transport differs from passive transport primarily because it requires energy because it is being pumped against the concentration gradient.
Answers
True. Active transport is the movement of molecules or ions across a cell membrane against their concentration gradient, meaning they are moving from an area of lower concentration to an area of higher concentration.
True. Active transport is the movement of molecules or ions across a cell membrane against their concentration gradient, meaning they are moving from an area of lower concentration to an area of higher concentration. This process requires energy, usually in the form of ATP (adenosine triphosphate), to power the transport proteins that move the molecules against the concentration gradient. Passive transport, on the other hand, is the movement of molecules or ions across a cell membrane down their concentration gradient, from an area of higher concentration to an area of lower concentration. This process does not require energy and occurs spontaneously. In summary, the key difference between active and passive transport is that active transport requires energy to move substances against their concentration gradient, while passive transport does not require energy and moves substances down their concentration gradient.
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is a heat pack safe for period pain ?
Answers
Answer:
I hope this hepls :)
Explanation:
Heat therapy is said to work because of its analgesic properties or its ability to bring blood to the area which can penetrate deep into the muscular tissue. However, heat therapy is also said to work because it is comforting on a psychological level. According to Lorimer Moseley “to reduce pain, we need to reduce credible evidence of danger & increase credible evidence of safety” and applying heat makes us feel safe. Why? Because the cold kills!
Despite this, there is little evidence to show that it helps alleviate pain at certain trigger points (small patches of acutely sensitive soft tissue) in the body and there is less evidence to show that it works for period pain. One study has claimed that heat can work for period pain however the researchers failed to differentiate if their exercise programme or the psychological effect of feeling warm eased their pain. This kind of testing means that other variables influence participants’ perception of pain and we can’t be certain if the heat therapy actually helped. What we do know is there are certainly drawbacks to this kind of treatment.
Solid water is less dense than liquid water. Explain the ecological significance of such a property when considering a small pond freezing over for the winter.
Answers
Answer:
When the process of freezing occurs within water, the air molecules within the hydrogen bonds will attract other oxygen bonds, creating a less dense substance.
Explanation:
Cara Lott i 26 year old and i aving for retirement. Which one of the following mutual fund portfolio would bet uit her ituation if he i willing to accept a moderately high amount of rik in exchange for long-term capital appreciation? She need no current income from her invetment
Answers
If Cara Lott, who is 26 years old and saving for retirement, is willing to accept a moderately high amount of risk in exchange for long-term capital appreciation, B: a growth-oriented mutual fund portfolio would likely suit her situation.
Growth-oriented mutual funds invest primarily in stocks of companies that are expected to grow rapidly, often at the expense of current income. This type of portfolio is suitable for individuals with a long-term investment horizon, like Cara, who are willing to accept the higher risks associated with investing in stocks in exchange for the potential for higher returns over the long term. As Cara is saving for retirement and does not need current income from her investments, a growth-oriented mutual fund portfolio may be a good fit for her investment goals.
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Complete question
Cara Lott i 26 year old and i aving for retirement. Which one of the following mutual fund portfolio would bet uit her ituation if he is willing to accept a moderately high amount of rik in exchange for long-term capital appreciation?
A: She needs no current income from her invetment
B: She needs a growth-oriented mutual fund
"
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_____ prevents genetic diversity and creates a genetic bottleneck within an animal community.
Answers
Inbreeding prevents genetic diversity and creates a genetic bottleneck within an animal community. Inbreeding is the mating of closely related individuals, such as siblings or cousins, which can lead to a reduction in genetic diversity.
This reduction occurs because inbreeding increases the likelihood that two copies of the same gene will be inherited from a common ancestor. This can result in the expression of deleterious or harmful traits, such as susceptibility to disease or reduced fertility, which can be detrimental to the overall health of the population.
When inbreeding occurs over a prolonged period, it can lead to a genetic bottleneck, where the genetic variation within a population is greatly reduced. This can make a population more vulnerable to environmental stressors, such as climate change, disease, or habitat loss. A population with reduced genetic diversity may be less able to adapt to changing environmental conditions, making it more likely to experience a decline or even extinction.
To prevent genetic bottlenecks and maintain genetic diversity within animal populations, conservation efforts focus on promoting outbreeding, which is the mating of genetically dissimilar individuals. This can help to reduce the expression of deleterious traits and increase the likelihood that advantageous traits will be expressed, which can help to improve the overall health and resilience of the population.
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Please help, is really important to finish my homework!!!!
Would outer space be an ideal spot for a concert? Why or why not?
Answers
Answer:
No, there is no gas in space, sound waves need matter to travel on because to make noise they move matter in such a way that i creates noise. Also you cant breathe.
Explanation:
Simulation tools, environments and frameworks for UAVs and multi-UAV-based systems performance analysis (version 2.0)
Answers
For a safer approach, the proposed model is simulated using available software instead of hardware implementations.
Frameworks for UAVs and multi-UAV-based systems -
Unmanned aerial vehicles (UAVs) received a lot of attention during the past 10 years and are now employed in a variety of settings and systems. It is vital to evaluate the UAVs' capabilities, the effects of applications, routing protocols, mobility, and other network aspects. Real experiments, especially those involving multiple UAV-based systems, can be very expensive and difficult to carry out.The tools for mono-UAV-based systems as well as the tools for multi-UAV-based systems are identified. The objectives, specifications, advantages, and disadvantages of each instrument under study are covered in full in this essay. In addition, a variety of UAV simulators is offered. It provides recommendations that will be helpful to researchers and assist them in locating and choosing the right instruments.Learn more about UAVs and multi-UAV-based systems
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Word bank: classify, kind, phylum, common, kingdom, scientific, english, latin, taxonomy, Galileo, linnaeus, three, genus, observe, and two
A(n)__________ name could apply to many organisms, but a (n)_____________ name only applies to one organism.
Answers
The cells in this part of a plant form long, vertical tubes. What is the most
likely relationship between the structure and function of these specialized
cells?
O A. The tubes allow water and nutrients to be transported throughout
the plant.
O B. The tubes prevent potential damage to the leaves caused
used by
strong winds.
C. The tubes allow the plant to absorb sunlight for photosynthesis.
O D. The tubes prevent water loss from the leaves.
Answers
Answer:
xylem and pholem.....?
an association between roots of higher plants and fungi is called?
Answers
Answer:
mycorrhiza
Explanation:
Symbiotic association between roots of higher plants and fungi is termed as mycorrhiza.
Answer:
The associations between roots and fungi are called mycorrhizae.
Bacterial DNA is located in the cytoplasm of the bacterial cell.
Answers
Answer: Yes, you are right.
After the nucleus was described and named, how did Matthias Schleiden hypothesize the role it plays in the cell
Answers
Matthias Schleiden hypothesized that the nucleus played a vital role in the cell's growth, cell division, and the transfer of genetic material.
Explanation:-
Matthias Schleiden hypothesized the role of the nucleus in the cell. Theodor Schwann and Matthias Schleiden were two famous biologists who worked together to develop the cell theory.
The nucleus of a cell is an organelle that is surrounded by a double membrane and contains DNA and nucleolus. It is present in all eukaryotic cells, including animal and plant cells.
Schleiden recognized the nucleus as the central structure of the cell, which is responsible for cell division and its formation. He believed that the nucleus was responsible for regulating the cell's growth and that it was the source of cell division's driving force. Furthermore, Schleiden hypothesized that the nucleus was responsible for the inheritance of genetic material from one cell to the next, based on observations of the germ cells' development. His hypothesis was confirmed when DNA was discovered as the genetic material later.
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a developing human from 2-8 weeks after fertilization is called a/an
Answers
A developing human from 2-8 weeks after fertilization is called an embryo.
The term embryo is used to describe the developing human during the first eight weeks of pregnancy. During this time, the fertilized egg goes through multiple stages of development, from a single cell to a tiny, complex organism with distinct features such as a beating heart and developing brain. The term fetus is used after the eighth week of pregnancy, when the major organs have formed and the focus is on growth and development.
The development stages of a human after fertilization are divided into different phases. From the moment of fertilization until the end of the 2nd week, the developing human is called a zygote. From the 3rd week to the 8th week, it is called an embryo. After the 8th week until birth, it is called a fetus. During the embryonic stage (2-8 weeks), the basic structures of the organs and body systems are formed.
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A. GUC
B. CGU
C. UCG
D. UGU
Answers
Answer:
A
Explanation:
it'll go GUC➡️CAG➡️GUC
Haemophilia is a genetic condition that impairs people's ability to form blood clots. Some forms of it are known to be sex-linked. Suppose that equal proportions of people are men and women, ignoring further gender variance. One meta-study estimates that 2-in-10,000 men and 1-in-100,000 women have a particular sex-linked form of haemophilia. (a) What is the probability that a randomly chosen person has haemophilia? (b) What is the probability that a given person with haemophilia is a man?
Answers
(a) The probability of a randomly chosen person having hemophilia is 0.000105.
(b) The probability that a given person with hemophilia is male is approximately 1.9.
(a) Probability that a randomly chosen person has hemophilia:
Haemophilia can affect both males and females, but we need to find the probability for both. Hence,
the probability of having hemophilia = probability that a randomly chosen person is male × probability that a male has hemophilia + probability that a randomly chosen person is female × probability that a female has hemophilia
Probability of having hemophilia in males = 2/10,000 = 0.0002
Probability of having hemophilia in females = 1/100,000 = 0.00001
Probability of a randomly chosen person is male = 0.5
Probability of a randomly chosen person is female = 0.5
Probability of having hemophilia = 0.5 × 0.0002 + 0.5 × 0.00001 = 0.000105
(b) Probability that a given person with haemophilia is a man:
From (a), we know that the probability of having hemophilia is 0.000105. Therefore, the probability that a given person with hemophilia is male is:
probability that a given person with haemophilia is a man = probability that a male has hemophilia/ probability of having hemophilia = 0.0002/0.000105 = 1.9048≈1.9 (approximately).
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in what ways are the actions of parathyroid hormone and calcitriol similar? how are they different?
Answers
Parathyroid hormone (PTH) and calcitriol are both involved in regulating calcium homeostasis in the body. They have some similarity as well as dissimilarity, which is mentioned below.
What is parathyroid hormone and calcitriol?Parathyroid hormone (PTH) and calcitriol hormone both are involved in regulating calcium homeostasis in the body. The similarities and dissimilarities are mentioned below:
Similarities:
Both PTH and calcitriol increase blood calcium levels.Both hormones have a synergistic effect on bone resorption.Differences:
PTH is secreted by the parathyroid gland in response to low blood calcium levels, while calcitriol is produced in the kidneys and activated by PTH and other factors.PTH also regulates phosphate homeostasis by promoting phosphate excretion in the kidneys, while calcitriol does not have a significant effect on phosphate regulation.Therefore, both PTH and calcitriol are involved in regulating calcium homeostasis in the body, but they have some differences in their mechanisms of action and other effects on the body.
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