1. Which part of the activity simulated evaporation? Evaporation was simulated as the 'ocean' was heated by the lamp.
2. Which part simulated condensation? Condensation occurred as the water vapor from the ocean cooled on the lid of the shoe box near the petri dish of ice.
3. Which part simulated precipitation? The drops of water falling from the lid of the shoe box simulated precipitation.
4. What is the energy source and what does it represent? The energy source was the lamp, which represented the sun.
5. What elements of the water cycle are not represented? Transpiration, infiltration, sublimation, and percolation were not represented.
6. How could we demonstrate transpiration in this activity? We could demonstrate transpiration by adding live plants to the shoe box.
7. Would condensation occur in the box without the ice? Why or why not? Condensation might occur over the mountains but not as quickly. The ice provided a greater temperature difference, forcing the vapor to condense.
8. After observing this activity, explain why water is considered a renewable resource. Water is continually recycled through the various parts of the water cycle.
9. The system you observed/constructed is a model of the way the actual water cycle works. Why might scientists use a model like this in their research into the water cycle in the real world? Can you think of any reason that using such models might be a problem?
In a model of the water cycle, you're able to observe evaporation, condensation, and precipitation, with an energy source like light representing the Sun. Evapotranspiration can be demonstrated with a plant, and condensation occurs more rapidly in cooler areas.
Explanation:From your question, I infer that you've created a model of the water cycle. Typically, in a water cycle model, you can observe stages such as evaporation, condensation, and precipitation. Your energy source in the model could be light (representing the Sun), which fuels the evaporation process.
Evapotranspiration, which combines the processes of evaporation and transpiration (water loss from plants), might not be observable unless you incorporated living plants in your model. You could introduce a small plant in your model to demonstrate this process.
Condensation, the process by which water vapor turns back into liquid water, often happens more rapidly in cooler areas in your model. You could identify this by observing where droplets form the fastest.
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which is the best way to describe the biodiversity of an area?
Biodiversity is the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species, and of ecosystems.
Explanation:
How do you pronounce Erinaceinae?
First, that is not how to spell it (erinaceidae). You could also just say hedgehog.
Select the correct answer.
What does the letter q stand for in the Hardy-Weinberg equation?
QA.
the frequency of the recessive allele in a population
O B.
the frequency of the dominant allele in a population
O c.
the frequency of the heterozygous dominant genotype
OD. the frequency of the homozygous recessive genotype
Reset
Answer: the answer is A
Explanation: It is mentioned int he hardy Weinberg equation.
Final answer:
In the Hardy-Weinberg equation, the letter q represents the frequency of the recessive allele in a population. By counting the homozygous recessive individuals, you can determine q² and then find q by taking the square root.
Explanation:
Understanding the Hardy-Weinberg Equation
In the context of the Hardy-Weinberg equation, the letter q stands for the frequency of the recessive allele in a population. This equation is an essential concept in population genetics and is used to predict allele frequencies in a population that is not evolving.
The Hardy-Weinberg equation is represented as p² + 2pq + q² = 1, where each term corresponds to the frequency of a specific genotype. The variable p represents the frequency of the dominant allele, while q represents the frequency of the recessive allele. If you know the frequency of one allele, you can easily calculate the frequency of the other since p + q = 1.
To calculate q, you can count the number of individuals with the homozygous recessive phenotype (aa) and divide by the total population to get q². Taking the square root of q² gives us q, the frequency of the recessive allele. Then, to find p, you can subtract q from 1 (p = 1 - q).
7. What part of the cell does 9 represent?
A. Ribosome
B. Centrosome
C. Lysosome
D. Cytoplasm
Answer: The correct answer is -
C. Lysosome.
Explanation:
Lysosomes are the specialised membrane bound organelles that contain digestive enzymes and help in the degradation of foreign particles ( such as bacteria or virus) as well as waste products. They help in the removal of waste products from the body.
Option C) Lysosome is depicted in the given label 9 of the figure.
What is the effect of A mutation in the HBB gene, which codes for hemoglobin, produces red blood cells that are rigid and sickle-shaped.
Answer:
Presence of two copies of mutated alleles would cause sickle cell anemia in person.
Explanation:
The gene HBB codes for the beta globin protein of hemoglobin. Hemoglobin is the protein present in red blood cells and serve in oxygen transport. Mutation in HBB gene leads to production of abnormal hemoglobin molecules. These hemoglobin molecules stick to each other and impart stiffness and sickle shape to the red blood cells. Presence of two copies of mutated gene leads to sickle cell anemia characterized by reduced oxygen supply to the body cells and/or blocked blood vessels.
The technique of lowering the coverslip at an angle is used to) A. Make organelles B. Reduce the formation of air bubbles C. Make the specimen transparent D. Reduce the size of the specimen
The technique of lowering the cover slip at an angle is used to;
B. Reduce the formation of air bubbles
It is essential that the technique of lowering the cover slip at an angle is used to put a cover slip at that angle and to lower it onto the specimen to avoid creating air bubbles which would interfere with the view.
"The correct answer is B. The technique of lowering the coverslip at an angle is used to reduce the formation of air bubbles.
When preparing a microscope slide, the technique of lowering the coverslip at an angle is primarily used to reduce the formation of air bubbles between the coverslip and the slide. Air bubbles can interfere with the clarity of the specimen under the microscope by causing light to scatter, which can obscure details and reduce the quality of the image. By lowering the coverslip at an angle, one can gently lay it down on the slide, allowing air to escape from beneath it, thus minimizing the likelihood of air bubbles being trapped.
Here is the logic behind the other options:
A. Make organelles - Incorrect. The technique does not create or alter organelles within the specimen. Organelles are intracellular structures that exist naturally within cells.
C. Make the specimen transparent - Incorrect. While reducing air bubbles can improve the clarity of the specimen, the primary purpose of this technique is not to make the specimen transparent but to prevent air bubbles from obstructing the view.
D. Reduce the size of the specimen - Incorrect. Lowering the coverslip at an angle does not reduce the size of the specimen. The size of the specimen is determined by the preparation method before placing it on the slide, such as sectioning or smearing.
Therefore, the most appropriate reason for lowering the coverslip at an angle is to reduce the formation of air bubbles, ensuring a clear and unobstructed view of the specimen under the microscope."
(03.02 MC)Which of the following is true about the ability of water to produce electricity?
A. The kinetic energy of moving water is converted to electrical energy.
B. The moving water releases energy to the surroundings in the form of chemical energy.
C. The energy produced by moving water is converted to potential energy.
D. The total amount of energy produced by moving water is constant.
Answer:
The answer is A. kinetic energy of moving water is converted to electrical energy.
Explanation:
In a hydroelectric power station, the kinetic energy of the water collides with the hydraulic turbines converting it into mechanical energy which rotates the rotor of a generator; which makes this mechanical energy finally becomes electrical energy. This process is known as Hydraulic Energy, where water energy is used to create electricity.
Answer:
A.The kinetic energy of moving water is converted to electrical energy.
Explanation:
I took the test!! FLVS? :)
read the following prompt and type your response in the space provided
how does ATP provide energy to your body?
Answer:
ATP, or adenosine triphosphate, is chemical energy the cell can use. It is the molecule that provides energy for your cells to perform work, such as moving your muscles as you walk down the street. ... When ATP is broken down into ADP (adenosine diphosphate) and inorganic phosphate, energy is released.
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ATP, or Adenosine Triphosphate, provides energy to the body by breaking down into Adenosine Diphosphate (ADP) and an inorganic phosphate (Pi), releasing stored energy in the process. This process can be compared to a rechargeable battery, with ATP as energy storage that the body can use.
Explanation:ATP, or Adenosine Triphosphate, is the primary energy source for the cells in our body. It provides energy through a process where it breaks down into Adenosine Diphosphate (ADP) and an inorganic phosphate group (Pi). This process releases energy stored in the ATP molecule that your body can use for numerous functions.
Think of ATP as a rechargeable battery. When ATP breaks down (discharges), energy is released for the body to use. When your body has excess energy, it can charge the battery again by converting ADP and Pi back into ATP. This process is repeated thousands of times in our cells every second. So, ATP is essentially the way our body stores and uses energy.
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What's a pluton? A. A body of igneous rock that forms from cooling lava on Earth's surface B. A body of igneous rock that forms within Earth's crust C. A body of igneous rock that form as a result of intense heat and pressure D. A body of igneous rock that forms along vents in the ocean floor
Answer:
B. A body of igneous rock that forms within Earth's crust
Explanation:
Igneous rocks are of two types: intrusive and extrusive. The extrusive igneous rocks are formed by cooling of lava on the earth surface. The intrusive igneous rocks are formed when the magma cools down within the earth's crust. The intrusive rocks are also called as plutonic rocks. Hence, pluton is a body of an intrusive igneous rock.
Final answer:
A pluton is an intrusive body of igneous rock that forms from slowly cooled magma deep within the Earth's crust, characterized by large crystals. Significant surface exposures of plutons are known as batholiths.
Explanation:
A pluton is an intrusive body of igneous rock that forms when magma cools and solidifies beneath the surface of the Earth. This process allows the magma to cool slowly, leading to the development of large, well-formed crystals. Plutons come in various sizes and shapes, and a large pluton exposed at the surface can be referred to as a batholith, while smaller exposed sections are known as stocks.
Plutons are classified as intrusive, or plutonic, igneous rocks because they are formed from magma intruding into the crust, as opposed to extrusive igneous rocks, which form at the surface.
9. Which term does not describe a type of galaxy?
Spiral
Nebular
Irregular
Elliptical
Answer:
I think that the correct answer is that the nebular galaxy is not a such thing in my opinion so this is why I think that nebular is the correct answer
Explanation:
Answer:
Nebular
Explanation: Galaxy is a system of stellar remnants, stars, dust, gas and dark matter, held together by gravitational attraction. Galaxies are classified as elliptical, spiral or irregular on the basis of visual structure.
Nebula is a part of galaxy where new stars and planetary systems are formed. It is a cloud of dust and gas. It may come from the explosion of dying stars, for example supernova.
will give brainlist, questions
1. Which branch-like extensions carry nerve signals toward the cell body, and there are usually many of them in each cell?
dendrites
nerves
hormones
axons
2. What are all over the body, make up the nervous system, and send messages to the brain?
axons
hormones
dendrites
nerve cells
Final answer:
Dendrites are the branches that carry signals toward a neuron's cell body, and nerve cells make up the nervous system and send messages to the brain.
Explanation:
The branch-like extensions that carry nerve signals toward the cell body are called dendrites. These structures are specialized in receiving incoming information from other neural cells and directing it towards the neuron's cell body.
The components that make up the nervous system and send messages to the brain are nerve cells. These cells, also known as neurons, communicate through their dendrites and axons to transmit nerve impulses throughout the body, enabling our brain to process information and respond accordingly.
can anyone help me please) what should be done to provide additional support for the generalization that human arm span is a characteristics that falls within a range of lengths with most lengths falling in the middle ranges?
You would need to gather more of the same data from a different group of students.
Final answer:
To support the generalization about human arm span, collect a large sample size of data, calculate the average, and plot a frequency distribution to visualize the normal distribution of measurements.
Explanation:
To provide additional support for the generalization that human arm span is a characteristic that falls within a range of lengths with most lengths falling in the middle ranges, one could conduct a substantial statistical analysis. This would involve collecting a large sample size of arm span measurements from a diverse population to ensure representativeness. With the data collected, calculating the average arm span and plotting a frequency distribution would illustrate the variation among individuals.
The resulting graph is likely to resemble a normal distribution or bell curve, where the majority of arm span measurements are clustered around the mean, with fewer individuals having arm spans significantly above or below the average. To further examine the factors influencing arm span, one could perform comparative studies between different populations, for example, comparing urban to non-urban dwellers as mentioned in the provided information. Such a study would allow us to see if lifestyle factors, such as those related to an urban environment, have any significant effect on arm span.
which of these factors would limit the population of a species
A. large food supply
B. small number of predators
C. large amount of space
D. substantial amount of predators
Answer:
D. substantial amount of predators
Explanation:
All the other answers would allow the population to have gotten big. i took the test
These factors would limit the population of a species - D. substantial amount of predators.
Limiting factor of populationThe limiting factor is a variable present in the environment that has the capacity to limit or restrict the growth, number of individuals, or distribution of a population in an ecosystem.
The main limiting factors are:
Food - If in an ecosystem enough amount of food supply is not present there will be more competition for food and the population will not grow.Predators - The higher the number of predators of a particular species of prey less will be the population growth.Shelter or space - It is also an important limiting factor as the more space the less competition the more growth.Learn more about limiting factors:
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A particular Arctic climate historically receives snowfall 10 months out of the year. Some rabbits in this climate have white fur, while other rabbits have fur that changes color during the warm months. Over time, the area experiences less snow, only 612
months of the year. Which trait is favorable in this new climate?
Question 1 options:
Brown fur is more favorable because the rabbis spend a majority of the year without snow.
White fur that changes to brown during the warm months is more favorable because the rabbits can be more camouflaged all year long.
Light tan is more favorable because the rabbits can blend into any environment.
White fur is more favorable because the rabbits spend a majority of the year in snow.
Light tan is a trait, which is more favorable in this new climate because rabbits can blend into any environment, hence option C is correct.
How do environmental changes affect the trait of a species?Temperature is the crucial abiotic factor, that affects the species, survival rate, increasing temperature decreases many species survival rates due to alterations that direct to less food, less flourishing reproduction, and intervention with the environment for native wildlife.
A particular Arctic climate affects the fur of rabbits, many rabbits in this climate have white fur, while some other rabbits have fur that changes color during the warm months.
If this climate changes, rabbits need to develop a trait that increases the chance of their survival.
Therefore, light tan is more favorable because the rabbits can blend into any environment.
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how do volvox get food?
Using photosynthesis. They convert sunlight into energy. They eat algae.
They use photosynthesis as with all plants
What process must happen to gaseous nitrogen before plants can use it to grow?
Answer:
nitrogen fixation
Explanation:
Answer:
Nitrogen fixation
What is semen?
a) an exocrine gland near the opening of the urethra
b) the testes located on the outside of the male body
c) a combination of sperm and other reproductive fluids
d) a production of fluid that gives the sperm nourishment
-
Answer: C. a combination of sperm and other reproductive fluids.
Explanation:
What is the role of a mutation in natural selection
If the mutation is beneficial, the mutated organism survives to reproduce, and the mutation gets passed on to its offspring. In this way, natural selection guides the evolutionary process to incorporate only the good mutations into the species, and expunge the bad mutations.
Mutations introduce genetic diversity, and natural selection determines the prevalence of these traits in a population. Beneficial mutations enhance survival and reproduction and therefore tend to increase in frequency, while harmful mutations decrease in frequency or are eliminated.
Role of Mutations in Natural Selection
These changes to an organism's DNA can have various consequences. Some mutations may be neutral, having no apparent effect on the organism's ability to survive and reproduce, while others can be beneficial or harmful. Natural selection acts on these mutations by affecting the reproductive success of the organisms. Mutations that provide some advantage, such as improved speed or better digestion, can increase an organism's chances of survival and reproduction, thereby becoming more common in the population over time. Conversely, deleterious mutations are typically weeded out as those who carry them may be less likely to survive and reproduce. Mutations contribute to genotypic and phenotypic variations within a species, and the nonrandom survival and reproduction of individuals carrying these mutations drive the evolutionary process. Whether a mutation is ultimately considered advantageous, neutral, or deleterious is context-dependent, often influenced by the specific environmental pressures a population faces.
Choose all the answers that apply.
Mushrooms are heterotrophic organisms in the Fungi kingdom. Mushrooms
are plants
make their own food using photosynthesis
are eukaryotes
are prokaryotes
are unicellular
Answer:
Correct answer : are eukaryotes
Explanation:
Mushrooms belong to the kingdom Fungi. They are eukaryotic, heterotrophic multicellular organisms, not capable of photosynthesis, and are not plant species.
Explanation:Mushrooms belong to the kingdom Fungi and are known to be heterotrophic organisms. They are not plants, and they do not possess the ability to make their own food via photosynthesis. Instead, they absorb nutrients from the material they grow on. Mushrooms are eukaryotes, meaning they have complex cells with distinct nuclei, and they are not prokaryotes which have simpler, nucleus-free cells. Finally, mushrooms are not unicellular, but multicellular, composed of many cells that work together for the overall function of the organism.
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David brought home a leaf cutting from a plant. He potted the cutting, and it grew into a full plant. What can you conclude about the new plant?
A.
It inherited chromosomes from two parents.
B.
It’s genetically identical to the parent plant.
C.
It was produced by sexual reproduction.
D.
It has half the number of genes as its parent.
Answer:
B its genetically similar to the parent plant
Explanation:
How does the cell wall pro text a plant cell?
Answer:
The cell wall is on the inside of the plant cell and it serves to contain the contents in the cell.
Explanation:
Hope my answer has helped you!
The surface temperature of four stars is shown in the table below. Surface Temperature Star Temperature (Degree Celsius) A 3,600 B 6,000 C 2,000 D 15,000 If one of these stars happens to be blue, which star is most likely to be that color? A B C D
Answer: I think D
Explanation: Blue stars are the hottest stars so therefore ít 15,000
Blue stars are the hottest stars so therefore ít 15,000.
What is Surface temperature?The "surface" of the Earth would feel warm to the touch at a given point based on its land surface temperature.
The "surface" is anything a satellite observes when it peers through the atmosphere to the earth. It might be ice and snow, grass on a lawn, a building's roof, or the leaves in a forest canopy.
The maps displayed here were created using information gathered during the day by NASA's Terra satellite's Moderate Resolution Imaging Spectroradiometer (MODIS). The range of temperatures ranges from -25 (deep blue) to 45 (hot).
Therefore, Blue stars are the hottest stars so therefore ít 15,000.
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How is transported soil different from residual soil?
I have written your answer on my computer and took a photo here it is!!
Answer:
It forms on unconsolidated materials.
Explanation:
Penn Foster's answer
How can pollution be found in greater amounts at higher trophic levels compared to lower trophic levels
Pollution can be found in greater amounts at higher trophic levels compared to lower trophic levels by Biomagnification. It indicates the presence or increase in the concentration of toxic materials or pollutants in the tissues of living organisms in a trophic level of an eco system.
Answer:
Through the process of biomagnification. An example is what happens with mercury in marine species.
Explanation:
Mercury is a pollutant known as a problem for the environment and the oceans, which affects the marine fauna to varying degrees and therefore the health of human beings. Methylmercury is the most toxic form of mercury and accumulates in the tissues of organisms. It is capable of bioaccumulating up to about one million times along the marine trophic chain, from microorganisms to predatory fish and mammals. In view of the ability to accumulate in organisms through trophic levels, higher concentrations are expected to be found in predatory fish and marine mammals (higher trophic levels), through the process known as biomagnification.
Polar climates are characterized by
low rates of evaporation
thick vegetation
warm summers
heavy precipitation
Answer:
Low rates of evaporation
Polar climate is found in regions around the north and south poles. They include the Arctic and Antarctica regions.
Explanation:
The regions are mainly cold, dry and windy. This is mainly due to their positionon earth relative to sun causing them to receive very little annual sunlight energy compared to other latitudes of the earth. Therefore most of the moisture is locked up in ice hence the dryness of the region. This is not helped by the thin atmosphere in these regions. This means they cannot retain heat because infrared (the electromagnetic waves responsible for heat transfer) boucing up from the earth's surface easily escapes back to space from this region of earth. The heat needed to spur precipitation, therefore, lacks and hence the dryness. Temperatures in these regions range at averages of 10 degrees centigrade on the warmest summer months.
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47 POINTS!!! NEED CORRECT ANSWERS!!!
Which occurs during an asthma attack?
A.
The lining of the airways becomes swollen.
B.
Mucous dries up.
C.
The airways in the lungs are wide open.
D.
All of the above.
Answer:
The lining of the air away becomes swollen inflamed and thicker mucus is produced
A. The lining of airways become swollen
^^^That's why people start coughing a lot. Air is trying to get through the airways and past all the EXTRA mucous that gets produced (the mucous does NOT dry up)
Hope this helped!
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in figure 33-5 identify the four chambers of the heart then use them to describe the path through which blood travels in the heart.
Answer:
c. Left atrium
j. right atrium
f. left ventricle
g. right ventricle
Explanation:
The heart consists of four chambers that is two ventricles and two articles.
Blood enters the right atrium goes into the right ventricle.
The right ventricle then pumps blood into the lungs where the blood gets oxygenated.
Pulmonary vein then brings back the blood from lungs into the left ventricle, blood is pumped into the left atrium and out of the heart.
That is the process through which blood navigates in the heart.
The reproductive organs of gymnosperms are found in
pollen
cones
seeds
ovaries
In December, people in the Southern Hemisphere _____.
receive the least direct sunlight
receive the most direct sunlight
receive the most snow of the year
celebrate the summer solstice
Answer:
The winter solstice in the Southern Hemisphere is June 20 or 21, while the summer solstice, the longest day of the year, is December 21 or 22.
So I think the answer is
D) celebrate the summer solstice
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Answer:
D) celebrate the summer solstice
How is the reducing the pollution in streams and groundwater linked to water conservation
Answer 1:
It should be used in an useful manner and it should not be wasted or misused by the people such as washing the clothes, bathing the animals and so on. These are the ways need to do to reduce the pollution in streams and ground water linked to conservation
Answer 2:
Streams and ground water are the water we use for daily use. so by reducing the pollution we indirectly help in water conservation.
Reducing pollution in streams and groundwater is important for water conservation as it helps maintain ecosystems and replenish water sources. Steps to conserve water include using efficient appliances and harvesting rainwater, incentivized by economic benefits. Pollutant reductions occur where it's economically viable, affecting 20% of U.S. groundwater use.
Explanation:Reducing pollution in streams and groundwater is intrinsically linked to water conservation efforts. By reclaiming water for reuse instead of drawing from freshwater supplies, we can conserve water and allow used water to benefit ecosystems upon its eventual discharge back into nature. This can improve streamflow, nourish plant life, and help recharge aquifers as part of the natural water cycle.
In order to conserve water more efficiently, groups can take steps such as using water-saving appliances, fixing leaks, and implementing rainwater harvesting systems. These steps may not be taken due to a lack of awareness or incentives. Thus, introducing incentives such as rebates for water-efficient products, tiered water pricing to encourage lower consumption, and educational programs could encourage conservation.
Furthermore, reductions in pollution are most likely to occur where it is economically feasible for firms. This means that conserving resources like water not only aids in reducing the environmental impact but can also provide economic benefits by reducing the need for companies to tap into new raw materials, thereby saving energy and costs associated with pollution mitigation.As much as 20% of the water used in the United States is groundwater, which can become contaminated from various sources and its movement can spread pollutants. Therefore, protecting our water sources from pollution is critical for maintaining the availability and quality of water for all uses.