Science is the systematic study of the natural world through observation and experimentation. It can be broadly divided into three main branches: life science, physical science, and earth science. All three branches involve the study of different aspects of the natural world.
Life Science
Life science is the study of living organisms and their interactions with each other and the environment. It includes branches such as biology, botany, zoology, ecology, and genetics.
Physical Science
Physical science is the study of non-living matter and energy. It includes branches such as physics, chemistry, and astronomy.
Earth Science
Earth science is the study of the Earth's physical and biological systems. It includes branches such as geology, meteorology, and oceanography.
Why should elementary students learn these three branches of science?
Elementary students should learn these three branches of science for many reasons. First and foremost, studying science can help children develop critical thinking skills. They can learn how to ask questions, make observations, and draw conclusions based on evidence. Additionally, studying science can help children develop a love of learning and a curiosity about the natural world. According to a scholarly source,"science education is important for all students as it develops scientific literacy and is required for STEM (science, technology, engineering, and mathematics) education and careers" (Asghar et al., 2012, p. 558). Scripture also supports the idea of studying science.
In Psalm 19:1, it says "The heavens declare the glory of God; the skies proclaim the work of his hands" (NIV). This verse suggests that by studying the natural world, we can learn more about God's creation and appreciate His power and creativity.Reference:Asghar, A., Wiles, J. R., & Bokhari, F. (2012). Elementary science education in urban classrooms: It’s elementary!. International Journal of Science Education, 34(4), 553-576.
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What is a prokaryotic cell? Differentiate a prokaryotic cell from a eukaryotic cell.
Answer:
The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. ... The nucleus is only one of many membrane-bound organelles in eukaryotes. Prokaryotes, on the other hand, have no membrane-bound organelles.
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Incinerating or burning trash is the best way to get rid of the majority of it. True or False
Answer:
Emissions from burning waste worsen environmental inequalities, create ... and municipal solid waste incinerators have sparked resistance in many places. ... Nonetheless, 72 incinerators are still operating today in the U.S. Most of ... Wastes that are not recycled or composted typically are either burned or ... So false
Explanation:
17.All reptiles reproduce by
a.) internal fertilization, and most are oviparous.
b.) internal fertilization, and most are viviparous.
c.) external fertilization, and most are viviparous.
d.) external fertilization, and all are ovoviviparous.
Which of the following is defined as the ability to be changed or change according to circumstance
Answer:
flexibility
Explanation:
I want to know characteristics of reptile, please answer quick :))
Answer:
Reptiles are vertebrates. They have backbones.Their bodies are completely covered with scales.They are cold-blooded.Reptiles produce shelled eggsAll species fertilize eggs internally.All species of reptiles have at least one lungAnswer:
Some of the characteristics of reptiles are :-
Reptiles are cold-blooded.They have dry skin covered with scales, without any glands.They are vertebrates with their body divided into head,neck, trunk and tail.They respire through lungs.Most of them lay eggs.. I have two rabbits, one white and one black. The white one has short hair, and the black one has longer hair. Complete the Punnett square to determine the offspring of these two bunnies, if the genotypes are Wwll for the white bunny, where white is dominant, and wwLl for the black bunny, where long hair is dominant.
Fill in the top row of the table with the possible gene combinations from one of the bunnies. (you will have two letters - one for hair color and one for hair length).
Fill in the column on the left side of the table with the possible gene combinations from the other bunny. (You will have two letters - one for hair color and one for hair length).
Then complete the rest of the table to show the genotypes of the offspring. (You will have 4 letters - one for the hair color and length from one parent and one for the hair color and length from the other parent).
Answer and Explanation:
Due to technical problems, you will find the complete question, answer, and explanation in the attached files.
Eutrophication is caused by ___
A. Erosion
B. Pollution
C. High winds
D. Ultraviolet rays
according to tinbergen, if you are examining a trait in order to determine how it contributes to the survival and reproduction of an organism, what are you studying?
According to Tinbergen, if you are examining a trait to determine how it contributes to the survival and reproduction of an organism, you are studying the trait's adaptive value or fitness.
Niko Tinbergen was a renowned ethologist who proposed four questions to understand behavior in animals, including the study of traits. One of these questions pertains to the adaptive value or fitness of a trait, which focuses on how the trait affects the survival and reproduction of an organism.
By examining the trait's contribution to an organism's ability to survive in its environment and successfully reproduce, researchers can gain insights into the evolutionary significance of the trait. This approach helps in understanding the selective pressures that have shaped the trait over time, as traits that enhance survival and reproduction are more likely to be favored by natural selection.
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how do scientists use models to determine the scale properties of objects in our solar system
Answer:
They use a ruler to draw a line for diameter
Explanation:
Answer:
A scale model uses the same measurement ratios as the real object does. The first model will compare the distance the planets are from the sun in astronomical units, the other model will compare the size of the planets using diameters in kilometers.
Photosynthesis occurs in cells with?
Answer:
with the help of chlorophyll.
Explanation:
The green color pigment chlorophyll traps sunlight and this is why photosynthesis occur.
Answer:
chlorophyll
Explanation:
Which of the following is considered a abiotic 
A : algae bloom
B : fish life
C : animals waste
D : sediment deposition
Answer:
sediment deposition
Explanation:
Abiotic factors are the non-living pieces of the climate that can regularly affect living creatures. Abiotic factors incorporate water, daylight, oxygen, soil and temperature.
Brainliest?
Answer:
D: sediment deposition
Explanation:
An abiotic factor in an environment is a factor that is not, nor has ever been alive, and it didn't come from a living organism. The opposite of abiotic is biotic; a biotic factor is alive. So, sediment deposition would be abiotic because, unlike the other options, it was never alive and did not come from a lining thing.
bacteria and archaea are both domains consisting of prokaryotic organisms.
Bacteria and archaea are both domains consisting of prokaryotic organisms. They are distinct from the eukaryotic domain and share several characteristics, such as lacking a membrane-bound nucleus and organelles.
Bacteria and archaea are two of the three domains of life, with the third being eukarya. Prokaryotes, including bacteria and archaea, are characterized by the absence of a nucleus and other membrane-bound organelles. They are single-celled organisms that exhibit a wide range of morphologies and metabolic capabilities.
Although bacteria and archaea may appear similar, they have significant differences in their genetic and biochemical characteristics. Archaea possess unique molecular machinery, including distinct RNA polymerases and histones, which are more closely related to those found in eukaryotes than in bacteria. Additionally, archaea have different cell membrane compositions, often containing ether linkages instead of the ester linkages found in bacteria.
Furthermore, archaea and bacteria occupy diverse ecological niches and exhibit different physiological adaptations. Archaea are known to inhabit extreme environments such as hot springs, acidic environments, and salt flats, while bacteria can be found in a wide range of habitats including soil, water, and the human body. These adaptations reflect differences in their metabolic capabilities and cellular structures.
Thus, while both bacteria and archaea are prokaryotic organisms and share some fundamental characteristics, they are distinct domains with differences in genetic, biochemical, and ecological features. Understanding these differences is crucial for studying and categorizing the diversity of life on Earth.
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provide a brief description of the process of rust
Answer:
Iron and oxygen form rust if the atmosphere is moist.
can someone please help me
PPE stands for
Pathogen Protecting Equiqment
Personal Protective Equipment
Personal Pathogen Equipment
Personal Protective Equipment (PPE) refers to specialized equipment and clothing worn to minimize the risk of exposure to various hazards in the workplace or other settings.
PPE is designed to protect the wearer from potential risks that may include physical, chemical, biological, or airborne hazards.
PPE serves as a barrier between the wearer and the potential source of harm, providing a level of protection to reduce the likelihood of injury, illness, or infection.
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A forest has many trees and bushes that produce nuts. This is a major food sources for many species, including a particular bird. Birds of this species have a variety of beak shapes ranging from long and pointy to short and hard beaks. The birds with short and hard beaks are able to eat the nuts better than the birds with long and pointy beaks. According to this scenario and the principles of natural selection what will happen to this bird population over time. Group of answer choices
Answer:
There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection. After a while the birds will get old and their beaks will get weaker, eventually they will die, when there is a shortage of food they will start harming each other in order for it, that’s selection.
Explanation:
4. A bacterial cell is prokaryotic, while the protist, Euglena, is eukaryotic. Which structure is present
in both organisms?*
(10 Points)
Answer:
There are a couple different possible answers, since there are multiple different structures that are present in both types of cells. So you have to make the choice of what to put.
The structures that prokaryotic and eukaryotic cells have in common are: plasma membrane, ribosomes, and cytoplasm
What makes Pluto different from the 8 planets in our Solar System?
Answer:
Hey mate.......
Explanation:
This is ur answer.....
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. ... It contains the asteroid belt as well as the terrestrial planets, Mercury, Venus, Earth, and Mars.
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Station 1: Strepsirhine or haplorhine? Look at the specimens in your lab and note the form of the listed features in the table below, then place the specimens into suborders (Strepsirhini or Haplorhini). In the absence of lab specimens, see Figures A through D below. Specimen A B C D Fused mandibular symphysis? (is the mandible one bone or two?)* Fully enclosed orbit? Cranium size (braincase) relative to face Toothcomb? (lower incisors jut forward) *If a suture line is visible, the mandibular symphysis is unfused. (Hint: A species with a toothcomb
The completed table is in the attached image.
The classification of specimens into suborders Strepsirhini or Haplorhini is based on several key anatomical features, including the structure of the mandibular symphysis (fused or unfused), the presence or absence of a toothcomb, and the type of orbit (fully enclosed or not).
Strepsirhini:
Mandibular symphysis: Unfused (two separate bones)Toothcomb: PresentOrbit: Typically not fully enclosedHaplorhini:
Mandibular symphysis: Fused (single bone)Toothcomb: AbsentOrbit: Fully enclosedTo learn more about Strepsirhini or Haplorhini, here
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which is the most primitive of the robust australopithecines?
Answer:
Robust australopithecines are conventionally sorted into
three species: a single species from South Africa, Australopithecus robustus [1.8 to 1.5 million years ago (Ma)] (1), and in East Africa, A. aethiopicus (2.7 to 2.3 Ma) and A. boisei (2.3 to 1.3 Ma) (2).
You find a fossil in your backyard. 12% of the Carbon 14 isotope is remaining. How old is the fossil?
Answer:
16,250 years (plus or minus (±) 10 years)
1. Which structures make up the stamen and what gamete does it make?
2. Which structures make up the pistil and what gamete does it make? :
3. What is the primary function of a flower?
I
4. In which structure(s) does meiosis occur? :
5. Where does fertilization occur?:
6. In which part of the male reproductive organ are the pollen grains made?:
7. In which part of the female reproductive organ are the egg cells made?
1. The anthers and filaments make up the stamen and the stamen is responsible for making the male gamete. 2. The pistil is divided into three parts namely stigma, ovary, and style. It produces the female gamete. 3. Flower produces male and female gametes. 4. The anther and ovary. 5. Ovary. 6. Anthers. 7. Ovules.
How are the different parts of the plant reproductive system function to carry out sexual reproduction?The stamen is composed of anthers and filaments and is responsible for making the male gamete. The pistil is the female reproductive part of the flower and it is divided into three parts namely stigma, ovary, and style. It produces the female gamete. The primary function of the flower involves the production of male and female gametes and it carries out the process of sexual reproduction in plants.
The process of meiosis is used to produce the gametes. It occurs in the anther and ovary which are the reproductive parts of the plant. Fertilization takes place in the ovary in plants.
The pollens are produced in the anthers of the flower. The egg cells are produced by the ovules of the ovary.
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please help!!!!
Project: Global Temperature Change
Answer:
whats the project is it an essay
Explanation:
William built a machine that recycles metal. When
William places metal on the machine's conveyor
belt, the belt begins to move, pulling the metal
toward the rest of the machine. The machine uses
energy to break down the metal so it can be reused.
What characteristics does William's machine share
with living things?
O A. The machine responds to its environment
and reproduces new machines of its own
kind.
O B. The machine responds to its environment
and uses energy.
O C. The machine reproduces new machines of
its own kind and uses energy.
O D. The machine reproduces new machines of
its own kind and is made of cells.
Answer:
O B. The machine responds to its environment
and uses energy.
Explanation:
also THE MAN BEHIND THE SLAUGHTER im soo sorry i had to (≧w≦)
The ___the contour lines are
together the steeper the slope.
The steeper the slope, the ___ stream's velocity.
Answer:
hi
Explanation:
porque los alimentos se oscurecen?(platanos, palta, manzana, papa, etc) respondan pls✋
Answer:
Una enzima es una sustancia, generalmente una proteína, en la célula de un organismo que acelera las reacciones químicas.
Durante el pardeamiento enzimático, una enzima llamada fenolasa y otro compuesto orgánico que se encuentra en las células de la fruta llamados fenoles pasan por una reacción de oxidación cuando se exponen al oxígeno. La fenolasa regula la reacción, convirtiendo los fenoles en melanina.
Por lo general, las enzimas de la fruta están encerradas en tejido. Las enzimas están metidas en sus células, trabajando para madurar la fruta. Pero cuando esas células se descomponen, ya sea por una causa externa como si alguien muerde o corta la fruta o por causas naturales como el envejecimiento, las enzimas se liberan y entran en contacto con el oxígeno, lo que desencadena la reacción química y hace que la fruta se vuelva marrón.
What is the final result of genetic drift in populations of
Answer: Genetic drift may result in the loss of some alleles (including beneficial ones) and the fixation, or rise to 100% frequency, of other alleles.Once it begins, genetic drift will continue until the involved allele is either lost by a population or is the only allele present at a particular gene locus within a population. ... Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool.
Explanation:
Answer:
decrease the genetic diversity of a population.
Explanation:
Genetic drift describes random fluctuations in the numbers of gene variants in a population. Genetic drift takes place when the occurrence of variant forms of a gene, called alleles, increases and decreases by chance over time.
Genetic drift can cause a new population to be genetically distinct from its original population, which has led to the hypothesis that genetic drift plays a role in the evolution of new species.
Once a scientist has examined all of the facts, performed experiments to test their question, and analyzed the results, then they can form a
method
hypothesis
consensus
theory
Answer:
Consensus
Explanation:
Consensus means conclusion which is the last step you get when after completing the scientific method.
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Which of the following tests does not involve mixing a solution with a reagent? Multiple Choice O lodine Biuret paper Benedict's or et? ided nt sence ide-re
The test that does not involve mixing a solution with a reagent is the Biuret paper test (Option B).
Biuret test is a simple and quick biochemical assay that uses a color change to detect the presence of peptide bonds in a protein or amino acid molecule. The biuret test is a quantitative laboratory test used to determine the presence of peptide bonds in proteins and other molecules. The test gets its name from the biuret molecule that is produced when the reagent in the test reacts with peptide bonds.
The principle of the Biuret test is based on the formation of a purple-colored complex, which is due to the reduction of Cu⁺² ions to Cu⁺ ions by the peptide bonds of protein in an alkaline environment. The amount of complex formed is directly proportional to the amount of protein in the sample.
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dose ever person have a DNA or not and why
Answer:
everyone has dna becasue our dna tells us to do things
Explanation: