Blogi Activity In this activity, you will create an age pyramid for a population of crabs in a certain bay, based on an age group. Draw the age pyramid for the given population. The age of maturity of the species of crab is 0. 5-1. 5 years. Based on the structure of the pyramid, express your view on the given population. Age Group in years) Population in thousands) < 0. 5 198 0. 51. 0 508 101. 5 221 1. 52. 0 86 2. 2. 5 70 BIŲ x' X, Font Sizes I E I Characters used: 0 / 15000â
Answers
The age pyramid shows a higher population of sexually immature crabs, indicating a potential decline in the mature crab population in the future. Measures should be taken to preserve and increase the mature crab population.
An age pyramid is a graphical representation of a population's age distribution. In this case, we are creating an age pyramid for a population of crabs based on their age groups. The given data shows the population of crabs in thousands for various age groups.
According to the data, the age of maturity for the species of crab is between 0.5 to 1.5 years. So, we can assume that crabs below 0.5 years are the newly hatched ones and crabs between 0.5 to 1.5 years are the sexually immature ones.
To create the age pyramid, we need to plot the data on a graph with the y-axis representing the age groups and the x-axis representing the population in the thousands. The pyramid should have a wide base and gradually taper towards the top.
Based on the given data, the pyramid will have a broad base as the population of crabs in the age group below 0.5 years is the highest, i.e., 198 thousand. The population gradually decreases for higher age groups, with the lowest population in the age group of 2.5 years, i.e., 70 thousand.
This age pyramid indicates that the population of sexually immature crabs (0.5-1.5 years) is significantly higher than the sexually mature crabs (above 1.5 years). This may be a cause for concern as the population of mature crabs may decline in the future, affecting the breeding and survival of the species. Therefore, measures may need to be taken to preserve and increase the population of mature crabs.
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Related Questions
which of the following accurately describes the role of conformational changes in enzyme-catalyzed reactions?
Answers
Enzymes change the reaction mechanism effectively reducing the activation energy :accurately describes the role of conformational changes in enzyme-catalyzed reactions.
The correct answer is option C.
Enzymes are biological catalysts that facilitate chemical reactions in living organisms. They play a crucial role in increasing the rate of reactions by lowering the activation energy required for the reaction to occur. Activation energy is the energy barrier that must be overcome for a chemical reaction to proceed.
Enzymes achieve this by binding to specific molecules called substrates and facilitating their transformation into products. The active site of the enzyme provides a unique environment where the substrate can bind, and the enzyme-substrate complex is formed. This binding interaction between the enzyme and substrate leads to conformational changes in the enzyme structure, resulting in the catalysis of the reaction.
By changing the reaction mechanism, enzymes stabilize the transition state of the reaction, allowing it to proceed more readily. This lowers the activation energy required, making the reaction occur at a faster rate. Importantly, enzymes do not alter the overall energy content or thermodynamics of the reaction. They do not affect the equilibrium position of the reaction or shift it in any particular direction.
Enzymes are highly specific in their action, recognizing and binding to specific substrates based on their shape, charge, and other chemical properties. This specificity ensures that enzymes catalyze specific reactions in a highly efficient and regulated manner.
In summary, enzymes function by changing the reaction mechanism, reducing the activation energy required for the reaction to occur. They do not alter the energy content of the products, shift the equilibrium, or enable exothermic reactions of usually endothermic materials.
Therefore, among the options provided option C is the correct choice.
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The question probable may be:
Which of the following accurately describes how an enzyme functions?
a. reduces the energy content of the products
b. allows for the exothermic reaction of materials that are usually endothermic
c. changes the reaction mechanism effectively reducing the activation energy
d. shifts the equilibrium for the reaction
How long will a car that accelerates at a rate of
20 m/s2 need to accelerate to reach a velocity
of 80m/s?
Answers
Answer:
4 seconds
Explanation:
accelertion= velocity ÷ time
20= 80/t
20t=80
t=80/20
t=4 seconds
Which is the highest level of organization shown in the diagram?
Select one:
a. a cell
b. a tissue
c. an organ
d. a system
Answers
The highest level of organization shown in the diagram is an organ system, in this case, the circulatory system (Option d).
What is an organ system in the body?An organ system can be defined as a group of different organs and structures in the body that work together to play a function such as in the case of the circulatory system transporting oxygen and nutrients to all body cells.
Therefore, with this data, we can see that an organ system in the body is composed of different organs.
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Which of the following arthropods does NOT transmit diseases by sucking blood from a human host?
a) houseflies b) lice c) kissing bugs d) mosquitoes e) fleas
Answers
The arthropod that does NOT transmit diseases by sucking blood from a human host is houseflies, option (a) is correct.
While houseflies can be considered a nuisance and carry bacteria on their bodies, they do not transmit diseases through bloodsucking. On the other hand, arthropod like lice, kissing bugs, mosquitoes, and fleas are known to transmit diseases to humans by sucking blood.
Lice can transmit diseases like typhus and relapsing fever. Kissing bugs can transmit Chagas disease. Mosquitoes are notorious for transmitting diseases such as malaria, dengue fever, Zika virus, and West Nile virus. Fleas can transmit diseases like plague and typhus, option (a) is correct.
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The process of pasteurization to reduce food spoilage utilizes high heat to kill all bacteria present.
a. true
b. false
Answers
False. Foods are heated gently during the pasteurization process in order to destroy pathogenic bacteria and lengthen the shelf life of the product. There are three different pasteurization processes that are used to sterilize food.
What is pasteurization process?The process of heating every milk or milk product particle in properly constructed and operated equipment to any of the one specified pasteurization time-temperature combinations is now referred to as pasteurization.Pasteurization is a heat-treatment method that eliminates harmful germs in some foods and drinks.The method of pasteurization involves using low heat to destroy microorganisms and inactivate spoilage enzymes. Pasteurization does not effectively sterilize items since it does not eradicate bacterial spores. The process of pasteurization was invented in 1864 by Louis Pasteur, who gave it his name.Milk is pasteurized to eliminate dangerous bacteria without compromising the flavor or nutritional value.To achieve food preservation and food safety, pasteurization is widely employed in the dairy industry and other food processing industries.
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Which of the following happens when cancer occurs?
a. The control of the cell cycle is impaired.
b. Cells cannot pass the G1 checkpoint.
c. Apoptosis or programmed cell death takes place.
d. The cells can no longer enter the cell cycle.
Answers
Answer:
the control of the cell cycle is impared
Explanation:
im currently taking this quiz and found this answer on quizlet
1. The earliest plants had
(a) leaves.
(b) stems.
(c) roots.
(d) none of the above.
Answers
Answer:
roots is ur answer.
(90% sure)What is something that exist but doesn’t have anything to do with science, law or rules, or religion
Answers
Answer:
does a table have anything to do with science, law, or religion? pretty sure tables exist.
What theory was proposed by Charles Darwin to explain how living things may be related?
Answers
Charles Darwin, a British biologist, was the first to put forth the theory of biological evolution by natural selection. Evolution was defined by Darwin as "evolutionary change" as well as the idea that species change .
what is A good example of biological evolutionWhen a species diverges into several distinct forms as a result of a shift in the environment that makes new available resources or poses new environmental difficulties. For instance, Galapagos Islands finches have evolved various beak shapes to benefit from the many types of food that are available on the various islands.
What is the significance of biological evolution?having empathy towards people. By explaining our beginnings, our links to other living things, the history of variation within and among groups of people, and the significance of this variety, evolutionary biology has made a significant contribution to human comprehension of ourselves.
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A variation in gene function that does not involve a change in dna sequence but can be inherited is a(n):___.
Answers
A variation in gene function that does not involve a change in dna sequence but can be inherited is an epigenetic.
EpigeneticThe field of epigenetics is concerned with heritable phenotypic changes that do not result from changes in the DNA sequence. Epigenetics, which derives its name from the Greek prefix epi-, refers to traits that are "on top of" or "in addition to" the conventional genetic basis for heredity. However, the term can also be used to describe any heritable phenotypic change. Epigenetics is most frequently associated with alterations that impact gene activity and expression. These modifications to cellular and physiological phenotypic features may be the result of external or environmental influences or be a normal component of development.
The phrase also refers to the modifications made to the genome that are relevant from a functional standpoint but do not affect the nucleotide sequence.
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loss of taste in the anterior region of the tongue may be an indication of damage to which cranial nerve?
Answers
Identify the cell structures in the following diagram in order from A(1) to E(5).
Click and drag to place them in order from A to E to earn all the points.
Reorder answers
1.Golgi Apparatus
Reorder answers
2.Mitochondrion
Reorder answers
3.Rough endoplasmic Reticulum
Reorder answers
4.Nucleolus
Reorder answers
5.Nucleus
Answers
Answer: Yeah, u all good w da answer. (Meaning you're correct)
Explanation: Jus took the test, got this Q right.
What happens during the pathway of glycolysis?
A. Glucose is broken down into private
B. Carbon dioxide is produced
C. More ATP is consumed than is produced.
D. Lactic acid is produced
Answers
Answer:
the correct answer is A :Glucose is broken down into pyruvate
Answer:
If I'm correct, the glucose is broken down into pyruvate and energy.
Explanation:
I hope this helps! ^^
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Which mutations are generally dominant since one copy in a diploid organism is sufficient to alter the normal phenotype? neutral null gain of function loss of function conditional
Answers
The mutations that are generally dominant since one copy in a diploid organism is sufficient to alter the normal phenotype are gain of function mutations.
What is a mutation? A mutation is a genetic alteration that occurs naturally or is caused by an environmental factor. As a result, a new phenotype emerges from the existing genotype. What is a phenotype? A phenotype is the expression of genes. It refers to the observable characteristics of an organism that results from the interaction between an organism's genetic code and its environment. The physical manifestation of an individual's genotype is the phenotype. What are the gains of function mutations? Gain of function mutations are those mutations that arise when a gene gains a new, altered, or enhanced function. A new phenotype is produced as a result of this. Gain of function mutations may result from a change in the gene's coding sequence, the regulatory sequence that controls the gene's expression, or the protein's post-translational modification.
They are generally dominant mutations since one copy of the mutation is enough to produce a new phenotype, altering the normal phenotype in a diploid organism.
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Which will most likely cause a decrease in the predator population? an increase in prey populations 2. a decrease in prey populations 3. a decrease in decomposers 4. an increase in producers.
Answers
Answer:
\(\huge\boxed{\sf A \ decrease \ in \ prey\ population}\)
Explanation:
Predators are those animals which hunt prey. Prey is the animals which is "hunted".
When the prey population is less (a decrease in prey population), There will not be more animals for "predators" to hunt and so, the competition of living will become more. Decrease in preys population would lead to a decrease in predator's population because many predators will die of hunger.
\(\rule[225]{225}{2}\)
Hope this helped!
~AnonymousHelper1807Answer: B a decrease in prey populations
Explanation: Because if there is a decrease in the predator population decreased, then wouldn't the prey.
Would you say cells, bacteria, algae, plants, or animals are the basic units of life? Explain why you think so.
Answers
What are the components of nucleotides?
Answers
Answer: they consist of sugar molecules in RNA or you could define it as the deoxyribose that consists in DNA
Explanation: my answer be original
CAN I PLEASE HAVE BRAINLIEST
25 points if you answer this. Genetic drift and natural selection can both be mechanisms of evolution. However, they are very different mechanisms.
Explain how genetic drift is different from natural selection.
Answers
What is the smallest unit (monomer) of DNA called?Required to answer. Single line text.
(2 Points)
Answers
Answer:
Nucleotide
Explanation:
Which of the following diseases are caused by smog? (a) Rickets. (b) Bronchitis. (c) Breathing Problems. (d) All of the above.
Answers
The answer to the question is (d) All of the above. These three diseases are all caused by smog in some way, either through a reduction in vitamin D exposure or through the irritation of airways.
Smog is a term used to describe a type of air pollution that is created by a combination of pollutants from burning fossil fuels. It is a major environmental concern and has been linked to a range of health problems.
Rickets is a disease caused by a lack of vitamin D, which is found in sunlight. Exposure to smog can reduce the amount of sunlight that reaches the skin, reducing the amount of vitamin D the body can absorb. This can lead to a deficiency in vitamin D and cause rickets.
Bronchitis is a type of respiratory infection caused by breathing in irritants, such as smog. The particles of air pollution inflame the airways, leading to breathing difficulties and symptoms such as coughing and wheezing.
Breathing problems can also be caused by smog. Inhaling the particles of air pollution irritates the airways and leads to symptoms such as coughing, wheezing, and shortness of breath.
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What best describes the radiation emitted from the sun?
A. It travels at different speeds
B. It is made up of one type of electromagnetic wave
C. It is made up only of yellow light
D. It is made up of different frequencies of light
Answers
Answer: B. Radiation emitted from the sun contains one type of electromagnetic wave .
phenylketonuria (pku) is a recessive human disorder in which an individual cannot appropriately break down the amino acid phenylalanine. this amino acid is not naturally produced by humans. which of the following treatments would be most effective for people with pku?
Answers
following the diet which strictly avoid the intake of phenylalanine will be the best treatment for phenylketonuria (pku) disorder
When a person with phenylketonuria (PKU) consumes foods high in protein or consumes aspartame, an artificial sweetener, a hazardous accumulation of phenylalanine can occur. Long-term health issues may result from this. Although PKU cannot be cured, early diagnosis and treatment can help avoid serious health issues as well as intellectual disability and other limits in one's capacity for thinking, understanding, and communication.
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When pathogens are ingested by the macrophages and dendritic cells of the immune system, they are digested and a small portion of the pathogen, __________, is attached to the surface of the macrophage.
Answers
Answer:
Antigen
Explanation:
on the surface of the pathogen that helps immune cells identify then
When pathogen are swallowed by the immune system's macrophages and dendritic cells, they are digested and a small amount of the pathogen's antigen is attached to the macrophage's surface.
What is antigen?
Any chemical that triggers the body's immune system to react negatively to it. Toxins, chemicals, germs, viruses, and other things originating from the outside of the body are examples of antigens.
In reaction to exposure to antigens, B cells of the immune system create Y-shaped proteins known as antibodies (immunoglobulins).
Antigen receptors, such as antibodies and T-cell receptors, are responsible for recognizing antigens.
Immune system cells produce a variety of antigen receptors, giving each cell a specificity for a single antigen.
Therefore, antigen is attached to the surface of the macrophage.
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(For this question, yellow is dominant and blue is recessive). What will the plants with YY and Yy look like? PLEASE HELP ASAP!!!
A. Cannot be determined
B. They will be different
C. Both the same
Answers
Answer:
C
Explanation:
Boswell Company manufactures two products, Regular and Supreme. Boswell's overhead costs consist of machining, $3,000,000; and assembling, $1,500,000. Information on the two products is: Regular Supreme Direct labor hours 10,000 15,000 Machine hours 10,000 30,000 Number of parts 90,000 160,000 Overhead applied to Regular using traditional costing using direct labor hours is
Answers
As per the given question, the overhead applied to the Regular product using traditional costing based on direct labor hours is $1,800,000
To calculate the overhead applied to Regular using traditional costing based on direct labor hours, follow these steps:
1. Calculate the total overhead costs: $3,000,000 (machining) + $1,500,000 (assembling) = $4,500,000.
2. Calculate the total direct labor hours: 10,000 (regular) + 15,000 (superior) = 25,000 hours.
3. Determine the overhead rate per direct labor hour: $4,500,000 x 25,000 hours = $180 per hour.
4. Calculate the overhead applied to regular 10,000 hours (the regular's direct labor hours) * $180 per hour (the overhead rate) = $1,800,000.
So, the overhead applied to the regular product using traditional costing based on direct labor hours is $1,800,000.
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Which one of these is a producer moth mushroom fern cheetah
Answers
Answer:
FERN is the answer
Explanation:
The producers are the green plant that use sunlight to make food by a green pigment called chlorophyll and the process is known as photosynthesis.
Hope it helps
Answer:fern is a producer
There are over 2000 kinds of edible insects in the world, and they are becoming an increasingly popular source of protein. One cup of cricket flour contains over 28 grams of protein. The building blocks of the protein in cricket flour are
Answers
Answer:
Amino Acids are the building blocks of any protein such as cricket flour.
The building blocks of the protein in cricket flour are amino acids.
What are Proteins?Proteins may be defined as a type of large biomolecules that majorly comprise one or more long chains of amino acid residues. They are the structural and functional units of life in living organisms. Proteins are definitely required for the body to function properly.
Amino acids are known as the building blocks or the monomers of proteins. The units of amino acids are remarkably joined with the help of peptide bonds in order to derive the structure of biomolecules known as proteins.
The components of amino acids are an amino group (-NH2), a carboxyl group (-COOH), a hydrogen atom, and a distinctive side chain.
Therefore, the amino acids are the building blocks of the protein in cricket flour.
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4. Consider the benefits and problems associated with coastal and open-ocean aquaculture. Is aquaculture a useful practice for the environment?
for the security of food systems? at what cost?
Consider the differences between fish farming and filter feeder (mollusk) farming.
Justify your answer and provide at least two resources to back up your answer (your textbook should be a resource) (10 points; at least 300 words)
Answers
Aquaculture can be a useful practice for the environment and food systems. However, it must be implemented responsibly to minimize negative impacts. Proper waste management, disease control, and careful site selection are essential for sustainable aquaculture.
Aquaculture is the practice of farming aquatic organisms, such as fish and mollusks, in controlled environments. It has both benefits and problems associated with coastal and open-ocean settings. Let's consider the usefulness of aquaculture for the environment and the security of food systems, as well as the costs involved.
1. Benefits of Coastal and Open-Ocean Aquaculture:
- Environmental Sustainability: Aquaculture can reduce overfishing and pressure on wild fish populations, helping to maintain biodiversity in oceans and coastal areas.
- Food Production: It provides a consistent and reliable source of seafood, which helps meet the growing demand for protein-rich food globally.
- Economic Growth: Aquaculture supports job creation and economic development, especially in coastal communities that rely on fishing and related industries.
2. Problems of Coastal and Open-Ocean Aquaculture:
- Environmental Impact: Concentrated fish waste, excess feed, and chemicals used in aquaculture can pollute the water, affecting local ecosystems. This pollution can harm wild fish and other marine organisms.
- Disease and Escapes: High-density fish farming can lead to the spread of diseases among farmed fish, which can then affect wild populations if fish escape from aquaculture facilities.
- Habitat Destruction: Coastal aquaculture, in particular, may require the conversion of natural habitats, such as mangroves or wetlands, into fish farms, resulting in the loss of valuable ecosystems.
Is Aquaculture a Useful Practice?
Aquaculture can be a useful practice for the environment and food systems, but it is important to address the associated challenges. The benefits of aquaculture, such as reduced pressure on wild fish stocks and economic growth, are significant. However, the negative impacts, including pollution and habitat destruction, need to be managed carefully to ensure the sustainability of aquaculture operations.
Differentiating Fish Farming and Filter Feeder (Mollusk) Farming:
Fish farming involves raising fish in tanks, cages, or ponds, while mollusk farming focuses on cultivating filter-feeding shellfish such as oysters and mussels.
Fish farming:
- Requires controlled feeding and management of fish species.
- Can be prone to disease outbreaks due to high stocking densities.
- May use artificial feeds that can contribute to pollution.
- Can have a higher environmental impact due to waste and escaped fish.
Mollusk farming:
- Relies on the natural filtration capabilities of bivalve shellfish to improve water quality.
- Typically has a lower environmental impact as bivalves consume natural plankton and improve water clarity.
- Can enhance local ecosystems by providing habitat for other organisms.
- Generally requires less feed and produces less waste than fish farming.
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The passing of traits from parents to offspring is called
A heredity.
B dexoxyribounucleic acid , or DNA.
C cloning.
D precipitation.
Answers
Pretty easy
PLEASE HELP
How are isobars used by meteorologists?
Answers
Answer:
Isobars are lines of constant or equal pressure on a weather map. They can be used to find areas of low or high pressure over a broad area (like the U.S.), and they can tell us how intense the system may be.
Explanation: