STEM is a broad-based field of technical study that prepares students for jobs requiring 21st-century knowledge and skills.
What is STEM?STEM stands for Science Technology Engineering and Mathematics. STEM term is commonly used to deal with training policy or curriculum alternatives in faculties. It has implications for a team of worker's improvement, country-wide safety concerns, and immigration coverage. If we want a kingdom where our destiny leaders, acquaintances, and workers can apprehend and resolve a number of the complex challenges of today and day after today, and meet the needs of the dynamic and evolving team of workers, building college students' competencies, content expertise, and literacy in STEM fields is critical.
Thus from the above conclusion we can say that STEM is a broad-based field of technical study that prepares students for jobs requiring 21st-century knowledge and skills.
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Which of the following correctly describes Metaphase?
A. Chromosomes split and move to opposite sides of the cell. the cell elongates
B. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell
C. The Cytoplasm splits, forming two daughter cells
D. Centrioles move to opposite sides of the cell, nuclear envelop dissolves, chromosomes form
Reset Selection
A
Novt
During the metaphase, chromosomes are taken to the equatorial plane, were they randomly line up. Option B. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell.
What is the metaphase?
Metaphase is one of the cell division stages that follows the prophase and precedes the anaphase.
During this phase, chromosomes are taken toward the center of the cell by the spindle apparatus. Once in the equatorial plane, chromosomes randomly line up.
Once aligned, each chromatid joins with a microtubule of opposites poles and gets ready to go through the anaphase. Sister chromatids are held together until they reach the Anaphase.
Since chromosomes in this stage are well defined and can be observed in detail under the microscope, they are used to create karyotypes and identify chromosomal abnormalities.
These chromosomes have the typical X shape.
Among the options, the one that correctly describes the metaphase is Option is B. Mitotic spindle attaches to the chromosome's centromeres and lines them up in the middle of the cell.
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what if there are no primary consumers in the ecosystem??
There wouldn't be any secondary consumers in that ecosystem without the primary consumers since there would be no way for carnivores or secondary consumers to get their energy.
Why are primary consumers important?
A primary consumer is important to an ecosystem. They aid in the energy exchange that is necessary for an ecosystem to function properly and avoid collapse. Only primary consumers have the capacity to "harvest" the energy held in producers.
Plants, who are the primary producers, use sunlight to make their own food or photosynthesis. And hence they are known as autotrophs. Following that, primary consumers eat plants. The primary consumers are then eaten for food by secondary and tertiary consumers.
The organisms at the top of the food chain, including humans, then perish. Then, for food, decomposers like bacteria and fungi feed on the remnants. The chemical components of those nutrients are then recycled back into the ecosystem by these decomposers.
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help look at the picture
The Steady State Theory state that the density of the universe was remaining constant.
Steady State Theory:In cosmology, a steady-state theory is a perspective that holds that the universe is constantly expanding while maintaining a constant average density. According to this theory, the matter is continuously created to form new stars and galaxies at the same rate that older ones fade away due to their expanding distance and accelerating recession. The average density and configuration of galaxies are the same as any location in a steady-state universe, which has no beginning or end in time.
British scientists Sir Hermann Bondi, Thomas Gold, and Sir Fred Hoyle first proposed the hypothesis in 1948. Hoyle expanded on it in order to address issues that had come up in relation to the alternative big-bang theory. According to the hypothesis, in order to maintain a constant average density of matter across time, the new matter must constantly be created, primarily as hydrogen. With nearly five times as much dark matter, the amount needed is small and not immediately observable: one solar mass of baryons per cubic megaparsec every year, or one hydrogen atom per cubic meter every billion years.
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What is climate?
A.
rapidly changing and predictable patterns of temperature and precipitation worldwide
B.
long-term weather patterns in a specific location over many years
C.
short-term changes in atmospheric conditions in a specific location
D.
None of the above
Answer:
Climate is the long-term pattern of weather in a particular area. Weather can change from hour-to-hour, day-to-day, month-to-month or even year-to-year. A region's weather patterns, usually tracked for at least 30 years, are considered its climate
Explanation:
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State the basic difference between a dislocation and fracture
Answer:
A fracture is a break or cracks in the bone.
A dislocation occurs when 2 bones are out of place at the joint that connects them.
pls say the answer of it
pls...
A balanced diet is a diet that contains an adequate amount of different macronutrients along with micronutrients.
What is a balanced diet?A balanced diet is a diet that contains the required amount of nutrients for the body per unit of time.
The necessary nutrients for the normal functioning of the human body are divided into two:
MacronutrientsMicronutrientsMacronutrients are nutrients that are needed in large amounts. They are required by the body for energy, tissue building, and body maintenance. Macronutrients include carbohydrates, proteins, and fat.
Micronutrients are nutrients that are needed in small amounts. They are required for the overall well-being of the human body and their deficiencies can cause life-threatening conditions. Micronutrients are mainly vitamins such as vitamins A, B, and C.
Hence, a balanced diet will contain an adequate amount of protein, carbohydrates, fat, and vitamins.
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Animal Diversity Lab Activity:
For this lab activity, you will create a
phylogenetic tree with 20 Sponge Bob
Characters and 35 different “shared
derived characteristics” for members of
the Animal Kingdom. Note if there are
any instances of convergent evolution in
these characteristics.
The lab must follow these keys:
-The tree is not so small and squished that I can’t read the names or see the characters.
-All 20 Sponge Bob characters are included
-All 35 traits/characteristics are used. Any instances of convergence are listed.
-All traits/characteristics are in the correct place and clearly describe the intended character.
Sponge Bob Characters:
• Sponge Bob Square Pants
• Squidward Tentacles
• Patrick Star
• Sandy Cheeks
• Mr. Krabs
• Pearl Krabs
• Gary
• Shark with fake arms
• Sheldon J. Plankton
• Mrs. Puff
• Karen
• Man-Ray
• Larry the Lifeguard
• Mermaid Main & Barnacle Boy
• Jellyfish Fields
• Whelks
• Bullworm
• Nematodes
• Potty the Parrot
• Madam Hagfish
SHARED DERIVED CHARACTERISTICS
• Bilateral Symmetry
• Spiny Skin
• Segmented Worms (Annelids)
• Eutherian
• True Coelom
• Jaws
• Round bodies(Pseudo-coelom)
• Radial Symmetry
• Crustacean
• Land-Dwelling
• Presence of a nucleus
(Eukaryotic)
• Multicellular
• No true tissues (Noneumetazoan)
• Swim Bladder
• Chordate
• Phylum Porifera
• Soft body(Gastropod)
• Osteichthyes
• Protist
• Tetrapod
• Spicules
• Cnidocytes
• Medusa Body Form
• Dinosaur
• Mammal
• Homeothermic
• Amniotic Egg
• Milk & Hair
• The Future of Animal Evolution
• Exoskeleton
• Ecdysis
• Deuterostome (Blastopore
becomes anus)
• Jawless Chordate
• Buoyant Liver
• Chondrichthyan
The phylogenetic tree of organisms within the animal kingdom include characteristics below:
Ancestral protistsTissuesbody symmetryGerm layersBody cavityPoriferaPlatyhelminthesNematodaAnnelidaMolluscaArthropoaEchinodermataChordataWhat is phylogenetic tree?A phylogenetic tree simply refers to a branching diagram or a tree showing the evolutionary relationships among various biological species of both plants and animals based on their similarities and differences; either genetically or physically
Generally, animals; be it vertebrates or invertebrates has the few characteristics below:
All animals are multicellular organismsAnimals are also heterotrophic, meaning; they depend on other organisms for food or they obtain their energy by consuming energy-releasing food substances.Animals typically reproduce sexually.All animals are also made up of cells that do not have cell walls.In conclusion, the phylogenetic tree of organisms within the animal kingdom include all characteristics mentioned above
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The primary force responsible for air moving into the lungs during inhalation is _________________.
The primary force responsible for air moving into the lungs during inhalation is atmospheric pressure.
What happens during inhalation?Breathing or ventilation is the process of exchange of the gases between the lungs and the environment. This involves moving of air into (inhalation) and out (exhalation) from the lungs to bring in oxygen and flush out carbon dioxide respectively.This movement of air is due to pressure gradients (between the atmosphere and lungs) produced by the contraction of muscles of the diaphragm and thoracic cavity.Inspiration (inhalation) is the process of taking air into the lungs. This is an active process as it involves contraction of muscles. During inhalation, the diaphragm contracts due to which volume of thoracic cavity increases. This results in the decrease of intraalveolar pressure (inside lungs) as compared to atmospheric pressure. This creates a pressure gradient resulting in air flowing into the lungs. During exhalation, the diaphragm relaxes and air moves out of the lungs.Learn more about exhalation here:
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what are the basis of classifying organism under natural and artificial system of classification
Explanation:
The natural system of classification is a biological classification based upon morphological and anatomical relationships and affinities. Artificial systems of classification were based on morphological characters such as habit, habitat, colour, number and shape of leaves.
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What causes the characteristic thrashing motion of nematodes?
A. the fluid-filled body cavity
B. the pseudocoelom that acts as a hydroskeleton
C. the blunted head and pointed tail
B. the pseudocoelom that acts as a hydro skeleton causes the characteristic thrashing motion of nematodes.
The longitudinal muscles of nematodes are contracted to move them. The animal moves by thrashing back and forth because to the tremendous internal pressure that forces the body to flex rather than flatten. Nematodes only have longitudinal muscles, not the two bands of muscles found in other worms. They can only move by clenching the lengthy muscles on either side of their body and wiggling forward, which explains their distinctive thrashing motion.The pseudocoelom serves as a lubricant between tissues, houses coelomocytes, and generates turgor-hydrostatic pressure for the entire animal.Because it is fluid-filled, the fluid's hydrostatic qualities enable a more rigid construction, greatly improving the efficiency of the skeletal system and movement.learn more about nematodes here:
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Answer: B. the pseudocoelom that acts as a hydroskeleton
Explanation:
Human blood type is an example of what where both the A and B blood types can be expressed semiagenously
Codominance is an inheritance pattern. Human blood type is an example of CODOMINANCE where both the A and B blood types can be expressed.
What is codominance?Codominance refers to the inheritance pattern in which a phenotype expresses two alternative variants coded by two alleles inherited from each homozygous parent.
When two individuals, that are homozygous and different for a trait, are crossed they produce heterozygous individuals.
These progenies express both parental phenotypes, as it is an additive expression of their parents' genes. Both alleles are equally expressed.
The is not complete dominance in these cases.
In the case of blood, the I gene determines the blood type of a person.
→ I is completely dominant over the i recessive allele.
→ Allele I can be either IA and IB, which are codominant.
The person IAi expresses the A blood type ⇒ complete dominanceThe person IBi expresses the B blood type ⇒ complete dominanceThe person IAIB expresses the AB blood type ⇒ codominance ⇒ both alleles are simultaneously expressedHuman blood type is an example of CODOMINANCE where both the A and B blood types can be expressed.
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If you added 1 ml of an aqueous solution of NaCl at 0.4 mol/l to 9 ml of water, what would be the final concentration of NaCl in the solution?
Taking into account the definition of dilution, the final concentration of NaCl in the solution is 0.04 mol/L.
DilutionWhen it is desired to prepare a less concentrated solution from a more concentrated one, it is called dilution.
Dilution is the process of reducing the concentration of solute in solution, which is accomplished by simply adding more solvent to the solution at the same amount of solute.
In a dilution the amount of solute does not change, but as more solvent is added, the concentration of the solute decreases, as the volume (and weight) of the solution increases.
A dilution is mathematically expressed as:
Ci×Vi = Cf×Vf
where
Ci: initial concentrationVi: initial volumeCf: final concentrationVf: final volumeFinal concentrationIn this case, you know:
Ci= 0.4 mol/LVi= 1 mLCf= ?Vf= 1 mL of aqueous solution of NaCl + 9 mL of water= 10 mL solutionReplacing in the definition of dilution:
0.4 mol/L × 1 mL= Cf× 10 mL
Solving:
(0.4 mol/L × 1 mL)÷ 10 mL= Cf
0.04 mol/L= Vf
In summary, the final concentration of NaCl in the solution is 0.04 mol/L.
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Removing a new cologne or bath product from the resident's room for your personal use is abuse
True/ false
Answer:
False
Explanation:
This might not even be considered stealing if the person removing the cologne puts it back but it is definitely not considered abuse which is where someone verbally or physically does harm to the victim.
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Ant species work together to collect food and build the mounds they live within. This behavior increases the species'
biotic potential
reproductive strategies
intraspecific competition
individual behavior
Ant species work together to collect food and build the mounds they live within. This behavior increases the species' biotic potential
The ability of ant species to maximize the utilization of their social activity as a means of bringing in resources is the key to their success "explained Wild. "They have created communication systems that allow for quick communication. That explains why you have a lot of ants at your picnic.
The maximum number of individuals a species may produce is known as its "biotic potential." This is and has always been a defense mechanism against food scarcity, predators, and parasites, just like it is for other creatures. Most organisms are unable to reach their full biotic potential because optimum environmental conditions rarely occur in reality.
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Which of these describes the levels of organization of an animal? A. Tissues are composed of organs, which are composed of cells. B. Organs are composed of cells, which are composed of tissues. C. Organs are composed of tissues, which are composed of cells. D. Tissues are composed of cells, which are composed of organs.
Answer:
C. Organs are composed of tissues , which are composed of cells .
The animals are generally organized in a fashion that, the organism is composed of organs, which are composed of tissue, and tissues are composed of cells. So, option C is correct.
The cells are called the building block of life and come last under this hierarchy.
The hierarchy which follows the organization structure of cells, tissues, and organs follows the given criteria :
The cells are made up of cellular organelles, which are organized in a fashion that is required for the specific function of a cell.
The collection of a group of cells having the same physiological structure and function makes up the tissue.
The tissues with the same function and structural organization collectively make up the organs.
The different kinds of organs, contributing to myriads of functions of the body, make up a human body, live and well functioning.
Therefore, option C is correct.
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the value of a reflex angle lies between
Answer:
reflex angle is an angle that measures more than 180 degrees and less than 360 degrees
Answer:
more then 180 degree and less then 360 degree
You are working on research involving competition between animals. Which of the following resources do you not need to measure?
A. Light
B. Space
C. Water
D. Food
The resource that you do not need to measure for research involving competition between animals is Light . The correct option is A
What is light availability?
The presence or amount of light in a specific setting is referred to as light availability. The amount and type of light that is available for organisms to perceive and use for a variety of biological processes are referred to as available light.
Although diurnal/nocturnal activity patterns and other characteristics of an animal's behavior or physiology might be influenced by light availability, light is not often thought of as a resource that animals directly compete for.
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Why is cellular reproduction important for homeostasis?
It helps cells make oxygen.
It helps cells make glucose.
It removes waste from cells.
It splits a cell into new cells.
Which of the following organisms reproduces asexually?
OA. Human
OB. Bacteria
C. Spider
D. Lobster
Answer:
OB. Bacteria
Explanation:
Bacteria reproduce through a process known as Binary Fission, which is an asexual reproduction by a separation of the bacteria into two new bodies.
Directions Imagine you are writing a paper about why critical thinking skills are important in the workplace. Review the lectures on Crediting Sources, APA, and Avoiding Plagiarism. Then read this article about this topic (the article is also available in the course in case the object link below does not work): After reviewing article, select a sentence that would be strong support for a paper on critical thinking in the workplace. In a paragraph submitted as a Word document, include the following: • A sentence to introduce the main idea of the article. • A signal phrase to let the reader know the following information is from a source • The quote from the article, including quotation marks and in-text citation. • A sentence that discusses the quote you chose and connects it with your imaginary paper. Please review the rubric below for grading criteria.
The reason why critical thinking skills are important in the workplace is because Critical thinking skills are:
They are valuable in regards to the roles in an organization. These skills are known to boast or enhance communication and creativity It helps in problem-solving.Why is the above case important?Thinking critically in the workplace is known to be a factor that helps a person to be able to connect ideas, examine arguments, see errors and solve issues that are known to be complex in nature.
Note that Critical thinking is very vital in three aspect of business:
In leadershipIn problem-solvingIn communicationCitation
Tripathy, Mitashree. (2020). Dimensions of Critical Thinking in Workplace Management & Personal Development: A Conceptual Analysis. Multidisciplinary Journal for Education, Social and Technological Sciences. 7. 10.4995/muse.2020.12925.
Therefore, The reason why critical thinking skills are important in the workplace is because Critical thinking skills are:
They are valuable in regards to the roles in an organization. These skills are known to boast or enhance communication and creativity It helps in problem-solving.Learn more about thinking skills From
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A
B
C
D
look at the picture
Answer:
c
Explanation:
because the curves are and the d line is poiting b and c
What are Bronchi?
A. Tiny air sacs in the lungs.
B. A phospholipid that coats the lungs.
C. Branches of the trachea that connect to the lungs.
D. The membrane inside gills where gas exchange occurs.
Answer:
D is the answer that mostly is right.
amplitude
frequency
trough
wavelength
Answer:
get foundational structure off amplitude
PLS HELP ME WILL MARK BRAINLYEST: Why is it important that people use fewer non-renewable resources and more renewable resources?
Your Opinion
State your opinion on the question above.
Evidence
What evidence or reasons can you gather to support your opinion?
subject: sciences
pls give long answer
Answer: First off, this makes us dependent on something that is finite. Non-renewable resources such as fossil fuels will eventually run out due to the fact that the dead organisms that have been undergoing the process of becoming carbon (more or less) for millions of years won't have anything to replenish them. Along with that, environmental problems occur like we all are seeing in the United Kingdom and even in the US.
Explanation:
In your own words, explain the difference between the pitch and intensity of sound.
Answer:
The pitch of a sound is how high or low a sound is when we hear it, whereas the intensity of a sound is the energy/vibrancy of the sound over an area and depends on the frequency of the sound as well.
Many Points!!!!!!!!!!!!!!!! What does this diagram represent?
The diagram presented represents hydrolysis of sucrose.
What is hydrolysis of sucrose?The hydrolysis of sucrose generates an equimolar mixture of fructose and glucose, commercially known as invert sugar.
Sucrose is a disaccharide with the formula C₁₂H₂₂O₁₁.
On hydrolysis, Sucrose yields the two monosaccharides, namely;
glucose (aldohexose) and fructose (ketohexose),However, on dehydration Sucrose produces a complex carbonaceous solid residue.
Thus, the diagram presented represents hydrolysis of sucrose.
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Look at the two DNA strands below. The bottom strand has undergone a mutation. What type of mutation has occurred when comparing the top to the bottom strand?
TAGGCAT
ATAGGCAT
A. insertion
B. deletion
C. chaotic
An external or internal cue or combo of cues that produces a response is called? A) motive B) observation C) reaction D) stimulus
[tex]\huge\underline{\underline{\boxed{\bm {Answer:}}}}[/tex]
○ [tex]\large\tt{A.)}[/tex] motive
○ [tex]\large\tt{B.)}[/tex] observation
○ [tex]\large\tt{C.)}[/tex] reaction
◉ [tex]\large\tt{D.)}[/tex] stimulus
[tex]\huge\underline{\underline{\boxed{\bm{Explanation:}}}}[/tex]
The cue or combo of cues that produces a response is called a [tex]\large \sf{stimulus}[/tex], which is a thing or event that causes a specific reaction in an organ or tissue.
A live organism's behavior that arises in reaction to an internal or external stimuli is known as a response. Anything that makes you react, like the smell of food making your mouth moisten, is a stimulus. Responses include bodily activities like muscle contractions, gland secretions, or mental processes. Thus option D is correct.
What combo of cues that produces a response is called?A stimulus is a thing or an event that prompts a particular response in an organ or tissue. It might be a single cue or a combination of cues.
The sensory input from the outside world consists of touch, pain, vision, smell, taste, sound, and balance (equilibrium). These sensory impulses become active in response to external changes. Touch and pain: The stimulus that can have a significant impact on the body is pain.
Therefore, An external or internal cue or combo of cues that produces a response is called a stimulus.
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Which molecules are added to an electrophoresis buffer for the purpose of denaturing dna?
Formamide molecules are added to an electrophoresis buffer for the purpose of denaturing DNA.
What is the purpose of the buffer during electrophoresis?A laboratory procedure called electrophoresis is used to divide DNA, RNA, or protein molecules according to their size and electrical charge. The molecules are moved by an electric current through a gel or other matrix. In the case of Denaturing Gradient Gel Electrophoresis (DGGE), the gradient can be an electrical field or a denaturant such as a solution of urea and formamide.
Size, charge, and other characteristics are used in electrophoresis to separate macromolecules like protein and nucleic acids. Scientists utilize buffer to transport the charge through the gel for electrophoresis that separates by charge. Additionally, the buffer keeps the gel's pH steady, reducing alterations that would take place in the protein or nucleic acid if the pH were to become unstable.
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Which of the following best describes the action of ATP Synthase
Answer:
The function of ATP synthase is to synthesize ATP from ADP and inorganic phosphate (Pi) in the F1 sector. This is possible due to energy derived from a gradient of protons which cross the inner mitochondrial membrane from the intermembrane space into the matrix through the Fo portion of the enzyme
Explanation:
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