Describe a hypothetical scenario of natural selection for a trait. Be sure to describe each of the following key elements: a) identify the trait (e.g. a type of disease immunity, a physical feature, etc.) b) how the trait varies in the population c) how the trait factors into resource competition and/or survival d) how the trait frequency changes over multiple generations
Answers
Hypothetical Scenario: Natural Selection for Camouflage in a Lizard Population
a) Identify the trait: Camouflage coloration in lizards.
b) Variation in the population: In the lizard population, there is variation in coloration, ranging from light brown to dark green. Some lizards have coloration that closely matches the surrounding vegetation, while others have coloration that stands out.
c) Trait and resource competition/survival: The trait of camouflage coloration in lizards factors into their ability to hide from predators and capture prey. Lizards with effective camouflage are better able to blend into their environment, making them less visible to predators. This enhances their chances of survival as they can avoid being detected and preyed upon. Additionally, the camouflage helps them approach their prey more stealthily, increasing their chances of successful hunting.
d) Changes in trait frequency over generations: Over multiple generations, the frequency of camouflage coloration in the lizard population increases. This is because lizards with effective camouflage have a higher chance of surviving and reproducing compared to lizards with less effective camouflage. Predators are more likely to catch lizards with less effective camouflage, leading to a lower survival rate for those individuals. On the other hand, lizards with better camouflage have a higher survival rate, allowing them to pass on their camouflage genes to their offspring. As a result, the proportion of lizards with effective camouflage increases in the population over time.
Through natural selection, the environment favors individuals with traits that increase their fitness and survival. In this hypothetical scenario, the trait of camouflage coloration provides a selective advantage to lizards, allowing them to better evade predators and capture prey. Over generations, the frequency of this trait increases as individuals with effective camouflage have a higher chance of survival and reproduction.
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Related Questions
Write a paragraph explaining how the human body acts like a zoo, since it harbors organisms in/on it. Support your argument by providing two specific examples of symbiotic relationships that exist between humans and other living creatures.
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Answer: The great molecular biologist and Nobel laureate Francois Jacob has stated that the human brain has a built-in need for order. From earliest times, human beings looked out and recognized cycles, repetitive patterns in nature—day following night, the seasons, tides, lunar cycles, plant succession, animal migration—that conferred the ability to predict their recurrence, and thus people acquired a semblance of understanding of and control over the cosmic forces impinging on their lives.
Explanation: can i have brainliest pls
What are two ways translation is regulated?
Answers
Answer:
through changes in the availability or activity of the "helper"
Explanation:
This process involves many "helper" proteins, which make sure the ribosome is correctly positioned. Translation can be regulated globally (for every mRNA in the cell) proteins.
the somatic cells of a particular plant each contain a total of 46 chromosomes. how do the chromosomes of this plant differ from the chromosomes of humans, who also have a total of 46
Answers
The chromosomes of the plant and humans may differ in their structure, size, and genetic content.
While both the plant and human cells have a total of 46 chromosomes, the specific chromosomes and their genetic information vary between species. In humans, the 46 chromosomes consist of 22 pairs of autosomes and 1 pair of sex chromosomes (XX in females and XY in males). These chromosomes carry the genetic information that determines various traits and characteristics. In contrast, plant species may have a different arrangement of chromosomes, with variations in the number and structure of the chromosomes.
Therefore, it is important to note that the specific differences in chromosome composition and genetic information can vary significantly between different plant species and humans.
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I need help as soon as possible
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Answer: 1:3
Explanation: I'm here for you buddy
Can the birthrate or death rate of a population of organisms be greater than 1? Explain your answer.
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Answer:
Can the birthrate or death rate of a population of organisms be greater than 1? The Answer is Yes!
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Explain how sex-linked, codominant and incomplete dominant traits are passed on to offspring.
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Sex-linked traits are genes carried on the sex chromosomes, the X and the Y chromosome. Only males carry the Y chromosome, and therefore all genes on the Y chromosome are passed down to the son. Women carry two X chromosomes; therefore, sex-linked traits can be passed on from both the mother and the father.
Examples of sex-linked traits include red-green colour blindness and haemophilia.
In codominance, both alleles are expressed in the phenotype of heterozygous offspring. The human ABO blood group is an example of codominance.
There are three alleles for the ABO gene: IA, IB, and I (i is recessive to both IA and IB). If an individual is heterozygous for both the IA and IB alleles, they will express both A and B antigens on their red blood cells. If they are homozygous for either IA or IB, they will express only one antigen on their red blood cells.
Incomplete dominance occurs when neither allele is dominant nor recessive, but instead, the phenotype is a blend of both. An example of incomplete dominance is the snapdragon flower, which has a red flower and a white flower. When the red flower is crossed with the white flower, the resulting offspring have pink flowers, which is a blend of red and white. The genotype for pink flowers is Rr, where R represents the red allele, and r represents the white allele.
When two pink flowers are crossed, their offspring will have a ratio of 1:2:1 of red, pink, and white flowers.
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GIVING BRAINLIEST!!!!!PLS HELPP!!! :((
How does a duckling become a bigger and stronger adult duck?
A) Body repair
B) Warmth
C) Growth
D) Motion
Answers
Answer:
I am pretty sure it is C. Growth
Explanation:
I am not fully sure but if it is wrong I apologize
Answer:
C
Explanation:
And i seen your questions
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but you never do!!
that's kinda RUDE!!!
can someone please write this for me
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The use of digitized signals offers a more reliable and accurate way to encode and transmit information compared to analog signals.
What are analog and digital signals?Analog signals are continuous and vary in amplitude and frequency, while digital signals are discrete and represented by binary code.
While both types of signals have their advantages and disadvantages, the use of digitized signals has become increasingly popular in recent years due to their reliability and ability to transmit information accurately.
One key advantage of digitized signals is their ability to eliminate noise and distortion during transmission. Analog signals are susceptible to interference from external sources, such as electromagnetic fields or radio waves, which can cause distortion and affect the quality of the signal.
In contrast, digitized signals are less susceptible to noise and can be transmitted over longer distances with little to no degradation in quality. Additionally, digital signals can be easily duplicated and stored, making them ideal for archiving and retrieval purposes.
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A famine relief effort is being mounted and there are three types of food bundles that can be flown out during each delivery. Bundle 1 has 4 kg. of flour, 4 kg. of sugar and 12 litres of water. Bundle 2 has 12 kg. of flour, 4 kg. of sugar and 4 litres of water and Bundle 3 has 8 kg. of flour, 8 kg. of sugar and 8 litres of water. The relief agency has 5200 kg. of flour, 3712 kg. of sugar and 6000 litres of water for each shipment. Bundle 1 can provide for 10 people between deliveries, Bundle 2 for 8 people and Bundle 3 for 11 people. How many bundles of each type should the relief agency send on each flight in order to maximize the number of people being fed. Do this problem by setting up a linear programming problem and determining the vertices of the feasibility set. Enter the number of bundles of types 1,2, and 3 (in that order) into the answer box below, separated with commas.
Answers
The relief agency should send 60 bundles of type 1, 100 bundles of type 2, and 150 bundles of type 3 on each flight to maximize the number of people being fed.
To solve the linear programming problem, we need to set up the constraints and objective function. Let's define:
x1 = number of bundles of type 1
x2 = number of bundles of type 2
x3 = number of bundles of type 3
The constraints are:
4x1 + 12x2 + 8x3 ≤ 5200 (constraint for flour)
4x1 + 4x2 + 8x3 ≤ 3712 (constraint for sugar)
12x1 + 4x2 + 8x3 ≤ 6000 (constraint for water)
The objective function is to maximize the number of people being fed, which is given by:
10x1 + 8x2 + 11x3 (number of people fed)
We can now solve this linear programming problem using the given constraints and objective function. The solution will provide the number of bundles of each type that should be sent on each flight to maximize the number of people being fed.
Using an optimization algorithm the optimal solution is:
x1 = 60 (number of bundles of type 1)
x2 = 100 (number of bundles of type 2)
x3 = 150 (number of bundles of type 3)
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Sickle cell anemia is a monogenic disorder in which the body produces abnormally shaped red blood cells. Sickle cell anemia is inherited in an autosomal recessive pattern. A person who is a carrier for this disease typically do not show signs and symptoms of the condition. Two cousins in Bangladesh got married and had kids without being aware that sickle cell disease runs in their family. Laboratory testing later showed that both partners were carriers for the sickle cell mutation. If this couple decides to have children, What is the chance (probability) that their children will also be carriers of the sickle cell disease?
Answers
Answer:
there's a ½ or 50% chance of their children will also be carriers of the sickle cell disease.
Explanation:
let IA = normal and IS =sickle cell
since both parents are carriers so it would be IAIS x IAIS
IAIS x IAIS
1 IAIA, 2 IAIS, 1 ISIS
where and in what form does carbon used in cellular respiration come from?
Answers
Answer:
Comes from carbon in glucose and the oxygen used in cellular respiration
Explanation:
Carbon dioxide is a waste product of cellular respiration
in a tabular form state the sources, functions and deficiency of fat soluble vitamins
Answers
Answer and Explanation:
Soluble vitamins are vitamins A, D, E and K.
Vitamin A is easily found in animal foods such as eggs, milk, cheese, meat, among others. It has the function of improving vision, producing antioxidants and improving immunity. its deficiency causes nocturnal tracking and susceptibility to infections.
Vitamin D has the sun as its major source, but it can also be found in fish, seafood, liver, mushrooms and meat. It is important for the growth and strengthening of bones, growth regulation, metabolism, insulin production and strengthening of the cardiovascular, muscular and immune systems. Its deficiency can provoke muscular and bone pains, spasms, intense weakness and calcium deficiency.
Vitamin E has many sources, among which we can mention wheat, vegetable oils, nuts, sunflower seeds, bananas, soybeans, egg yolks, almonds, eggs, spinach, lettuce, among others. Its main function is to act as a powerful antioxidant, slowing premature aging and diseases such as cancer, Parkinson's and cataracts. Its deficiency can cause loss of motor coordination, weakening of the muscles and anemia.
Vitamin K can be found in lettuce, spinach, mustard, broccoli, cucumber, turnip, asparagus, okra, liver, among others. It is important in blood clotting and calcium fixation. Its deficiency can cause defective clotting and bleeding.
A manner of studying human development that stresses the fluctuations that occur constantly throughout life is referred to as the?
Answers
A manner of studying human development that stresses the fluctuations that occur constantly throughout life is referred to as the dynamic systems theory.
Human Development- The examination of the chronological events or developments that take place from fertilization to the emergence of the zygote, to the development of the human during pregnancy, from birth through adolescence, and into adulthood.
Zygote- A zygote is the result of the fusion of an egg cell and a sperm cell, sometimes referred to as a fertilized ovum/Egg. In the days after conception, the zygote quickly divides from a single cell at first.
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Calculate the Systemic and Pulmonary Driving pressures. Mean Aortic Pressure: 90mmHg Mean Pulmonary Arterial Pressure: 10mmHg Right Atrial Pressure: 2mmHg Left Atrial Pressure: 4mmHg
Answers
The Systemic Driving Pressure is calculated by subtracting the Mean Aortic Pressure (MAP) from the Right Atrial Pressure (RAP). Therefore, the Systemic Driving Pressure for this scenario is 90 mmHg - 2 mmHg = 88 mmHg.
The Pulmonary Driving Pressure is calculated by subtracting the Mean Pulmonary Arterial Pressure (MPAP) from the Left Atrial Pressure (LAP). Therefore, the Pulmonary Driving Pressure for this scenario is 10 mmHg - 4 mmHg = 6 mmHg.
Driving pressure (ΔP) is usually calculated as the difference between plateau pressure and positive end-expiratory pressure. Driving pressure is basically composed of two types of pressures: that distributed to the lung itself, the transpulmonary pressure , and that applied to the chest wall.
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cytokinesis is the division of the ____________________ , and follows ____________________, producing two daughter cells.
Answers
Answer:
cytoplasm, telophase
Explanation:
The cell membrane and cytoplasm divide forming two identical new daughter cells.
Hope this helps!
Cytokinesis is the division of the cytoplasm, telophase, and follows cytoplasm divide forming two identical new daughter cells.
What is cytokinesis?Cytokinesis has been defined as the are a part of cell division and they are directly related to each other. Actually, Mitosis has a process in which the duplicated genome present inside a cell is divided into two halves that are always identical in nature. Cytokinesis is the process where the cytoplasm of the cell divides to form two 'daughter' cell.
Mitosis has been considered as a cell division type that divides the parent cell and the genetic material into two alike daughter cells with the same chromosome numbers. Cytokinesis has been refer as a process by which at the end of the telophase the cytoplasm of the cell starts dividing and results in the formation of the plate in plants and furrows in the animal, dividing the cell equally.
Therefore, Cytokinesis is the division of the cytoplasm, telophase, and follows cytoplasm divide forming two identical new daughter cells.
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01:17:23
Which statements describe hormones in plants? Check all that apply.
Cutting stems can stimulate hormones to start lateral leaf growth.
Some tropisms are controlled by hormones.
Cells grow faster in areas where auxin is concentrated.
Hormones help buds form and grow in the winter.
Auxin is the only hormone involved in plant development.
(i know that the first 4 are not right and neither are A, B, and D (1, 2, 4)
Answers
Answer:
The correct statements are: 1, 2, and 3.
Cutting stems can stimulate hormones to start lateral leaf growth.
Some tropisms are controlled by hormones.
Cells grow faster in areas where auxin is concentrated.
Explanation:
Plant hormones such as Auxins perform various roles and helps in the growth and development of the plants. Cutting the main stem of the plant stimulates the auxin hormone and which stimulates the lateral elongation growth of the leaf growth.
Some tropisms are controlled by the hormones such as phototropism by auxin as a high concentration area of the auxin causes cell growth in a particular area and the concentration of auxin is stimulated by light.
Prairies
Forests
Beaches
Dunes
Lakes
Ponds
Rivers
Streams
Wetlands
Coral Reefs
Estuaries
Salt Marshes
Mangrove Swamps
Florida Ecosystems
Once given your Florida ecosystem, you will research and present the topics listed below about your ecosystem. Please include visuals.
Briefly tell us where in Florida your ecosystem is often found and general characteristics
---average amount of water
---general physical characteristics
---unique characteristics of your ecosystem
List and describe 3 common producers found in your ecosystem
---include information such as what type of species prey on these producers, what the producer needs in order to survive and thrive, etc.)
List and describe 6 common consumers found in your ecosystem
---In your descriptions please include what the animals are preying on, where they build shelters, what their niche is, etc.)
Try to find at least one decomposer and/or scavenger in your ecosystem
--- What is it eating/decomposing? How is this helpful to the ecosystem?
List and describe one example of mutualism, one example of commensalism and one example of parasitism in your ecosystem
---Name the species involved and explain the relationships
List any endangered, threatened or extinct species from that ecosystem
Explain 1 food chain in your ecosystem
Explain competition between species in your ecosystem
please help fast am giving 20 points and brainiest ok I posted the same question 2 time please stop whoever is stealing the points please stop am running out of points
Answers
Answer:
Called creepy, scary and spooky, bats often get a bad rap. They’re an important species that impact our daily lives in ways we might not even realize. From pollinating our favorite fruits to eating pesky insects to inspiring medical marvels, bats are heroes of the night.
Explanation:
define flaccid cells
Answers
Answer:
Flaccid corresponds to a cell lacking turgidity. They are not plump and swollen but floppy or loose, and cells have drawn in and pulled away from the cell wall. It takes place when plant cells are in isotonic solutions.
Explanation:
Your welcome
Anatomy: I need help!! If you know the answer pls let me know!! It would be greatly appreciated
Answers
Answer:i'm pretty sure its C: into cells
Explanation:
1. Conduct research about why molecular-level structure is important in the
functioning of designed materials. You should research at least two examples. Then
communicate this scientific and technical information using written text and
graphics. (5 points)
A) What is the difference between bonding forces holding compounds together and
other attractive forces? What types of chemical bonding and intermolecular forces do
the materials have?
B) Predict the general properties of your materials based on the types of bonds they
have. Properties include melting point, boiling point and conductivity
C) analyze your materials specific physical and chemical properties. properties include color, density, viscosity, buoyancy, boiling point freezing point, conductivity, and reactivity.
D) designed materials need to meet certain requirements. when designing new products why is it important to study the properties of the materials?
Answers
Molecular-level structure is vital in the design and use of materials mostly at the macroscopic-stage. The structure of a molecule is known to influence how it interacts with other molecules.
Note that Attractive and repulsive forces are the ones that plays a vital role in the total properties of matter seen on the scale.
Molecular structure is known to be the one that helps us to know more about Nature's intricate design methods and blueprints. When we know the blueprints and basic materials, we can then try to mimic her essential products that are cost effective and the ones that has less harmful environmental effects.
What is the Difference between bonding forces and intermolecular forces ?The Difference between bonding forces and intermolecular forces is that Intermolecular forces are known to be forces that are said to hold two or more molecules as one while a chemical bond is known to be an attractive force that exist between two or more atoms.
The types of chemical bonding and intermolecular forces that materials have are:
For Chemical bonds they are:
CovalentPolar covalentIonic bondsFor Intermolecular forces, the three types are van der Waals forces are:
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What happens to the water vapor in an air mass as it ascends?
Answers
Answer:
Air parcel expands and cools at higher altitudes
Explanation:
basidia produce spores by a process known as _____.
Answers
Answer:
The process for this is called Meiosis!
Explanation:
During what phase of mitosis do centromeres divide?
Answers
The sister chromatids of each chromosome begin dividing at the anaphase II stage and migrate to the ends of the cell.
Kinetochore microtubule shortening causes separation and migration.
Telophase II precedes Late II.
Anaphase II during meiosis is comparable to anaphase during mitosis. Centromeres appear as contractile regions of chromosomes and play an important role in helping cells break down their DNA during division (mitosis and meiosis). In particular, the area where the cell's spindle fibers attach.
The centromere divides during the late II stage of meiosis II. Thus, during meiosis II, the daughter cell's number of chromosomes remains the same as it was at the beginning of meiosis II or at the end of meiosis I, which is exactly half the number of chromosomes in the original parent and mother cells.
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How do decomposers help an ecosystem?
A. Decomposers keep dead matter from "piling up" in an ecosystem. B. Decomposers restore essential nutrients to an ecosystem. C. Decomposers use sunlight to make food for an ecosystem.
Answers
Decomposers play an important role in maintaining the health and balance of an ecosystem. They break down dead organic matter such as dead plants and animals, and convert them into nutrients that can be absorbed by other living organisms.
This helps prevent the accumulation of dead matter in the ecosystem, which could lead to a buildup of harmful bacteria and disease. Additionally, decomposers restore essential nutrients such as carbon, nitrogen, and phosphorus back into the soil, which is important for the growth of plants. Unlike producers, which use sunlight to create their own food, decomposers consume organic matter to produce energy for themselves and to recycle nutrients back into the ecosystem.
In summary, decomposers are essential in ensuring the overall health and productivity of an ecosystem by breaking down dead matter and returning valuable nutrients back to the environment.
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which event is mostly responsible for increasing the opportunity for animals to develop more complex traits?
A. increase in genetic material (DNA)
B. jaws
C. bilateral symmetry
D. spinal column
Answers
Increase in genetic material (DNA) event is mostly responsible for increasing the opportunity for animals to develop more complex traits. The correct answer is option A.
The evolution of life on earth is marked by an increase in the amount of genetic material in living organisms. This increase in genetic material has enabled animals to develop more complex traits and adapt to a wider range of environments.
The gradual accumulation of genetic changes over time, as well as the movement of organisms into new environments, has led to the emergence of new species with unique physical and behavioral characteristics.
In many cases, these new species have been able to survive and thrive in their new environments because of the complex traits they possess, which allow them to compete for resources and avoid predators more effectively.
The correct answer is option A.
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Can you explain why int he end the burning paper lifted off?
Answers
Answer:
Combustion.
Explanation:
For example, when paper is burned oxygen from the air combines with carbon and hydrogen in the paper turning some of it into carbon dioxide and water vapor, which waft away with carbon particulates in the smoke.
If these patients were treated with antibiotics, what clue would this have given doctors about the
disease's pathogen?
Answers
If patients were treated with antibiotics, then the disease's pathogen is a bacteria capable of infecting human beings.
What are antibiotics?Antibiotics are specific drugs used to treat bacterial infections, which can b used both in humans and animals.
Some of the most commonly used antibiotics include penicillins, cephalosporins, and aminoglycosides.
In conclusion, if patients were treated with antibiotics, then the disease's pathogen is a bacteria capable of infecting human beings.
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Which of the following additives is found in a tan-topped blood collection tube? A) EDTA B) ammonium heparin. C) lithium heparin. D) sodium citrate.
Answers
The additive found in a tan-topped blood collection tube is typically lithium heparin.
This additive is used to prevent blood from clotting and is often used for chemistry and blood gas testing. Other additives commonly found in blood collection tubes include EDTA, which is used for hematology testing, and sodium citrate, which is used for coagulation testing. Ammonium heparin is not typically used in blood collection tubes.
Tan-topped blood collection tubes contain lithium heparin as an anticoagulant. This additive helps prevent blood clotting, allowing for accurate analysis of blood samples, particularly for lead testing. Here's a brief explanation of the other options:
A) EDTA: Ethylenediaminetetraacetic acid is found in lavender-topped tubes and used for hematology tests.
B) Ammonium heparin: This is another type of heparin, but not commonly used in blood collection tubes.
D) Sodium citrate: This anticoagulant is found in light blue-topped tubes and is used for coagulation testing.
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2. Explain Why is color not the best property to use to identify a mineral
Answers
Answer:
minerals can have the same color
I have only two hats, a red one and a black one. I have only two
belts, a blue one and a white one. I have only two ties, one with a
DNA molecule prominently showing on it and the other with
2n promin
Answers
As per the details given, using probability there are 8 possible combinations of hats, belts, and ties.
You need to know the entire number of possible combinations and the total number of positive outcomes in order to determine the likelihood of a certain arrangement of hats, belts, and ties happening.
You may get the total number of combinations by multiplying the number of options for each item (hats, belts, and ties), as each has two options.
In this instance, you have two hat options (red or black), two belt options (blue or white), and two tie possibilities (DNA or 2n). Consequently, there are the following combinations in all:
2 (options for hat) * 2 (options for belt) * 2 (options for tie) = \(2^3\) = 8
Thus, there are 8 possible combinations of hats, belts, and ties.
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Your question seems incomplete, the probable complete question is:
I have only two hats, a red one and a black one. I have only two belts, a blue one and a white one. I have only two ties, one with a DNA molecule prominently showing on it and the other with 2n prominently showing on it. Every day I wear one hat, one belt and one tie, all chosen at random. How many possible combinations of hats, belts and ties exist?