How does this image compare to the white blood cells you saw using Stella’s compound microscope? What are the pros and cons of using electron and compound microscopes? In your response consider cost and ease of use.
Answers
Answer:
The Resolution and Magnify power are the major differences between the electron microscope compare to compound microscope. This is due to the source of power for the operation,Light rays of (400-700nm) are used by the compound microscopes,while short frequencies beam of electrons of( 1 nm)are used by the Electron Microscope.
The compound microscope consists of objective lens with short focal length.They are therefore used for magnification of tiny objects.While the E. microscope makes use of beam of electrons(compare to light rays in the compound microscope) with higher resolutions.The beam of electrons are focused by magnetic lenses to give images.
Electron microscope is cumbersome to use,it is expensive, requires a lot of expertise, and occupies large space.
Compound are less expensive with low maintenance,it does not requires expertise;very easy to operate, and can easily be moved about.
There is low risk of radiation with compound,lower magnification,both dead and living creatures can be used.
E.microscope,has high radiation risk,higher magnification, with only dead materials.
Explanation:
White blood cells are the immune cells that protect the body. They are also known as leukocytes or leucocytes.
The compound microscope magnifies objects lesser than the electron microscope. We can see higher magnified things in the electron microscope.
Pros and cons of electron and compound microscopeCompound microscopes are easier to move and set up because they are small and light.Electron microscopes are heavy and higher. They are harder to set up and move.Electron microscopes use electromagnet glasses, whereas compound microscopes use glass lenses.Compound microscopes are cheaper than electron microscopes.Thus, these are the pros and cons of Compound microscopes and Electron microscopes.
Learn more about microscopes, here:
https://brainly.com/question/507443
Related Questions
Which of these is smaller: a cell or a protein?
Will give Brainiest!
Answers
How does carbon enter the atmosphere?
(MULTIPLE CHOICE)
A). plant stomata
B). release of CO2 by the oceans
C). animal and human respiration
D). transpiration
E). decomposition of limestone
F). burning of fossil fuels
Answers
Answer:
B, C, E, & F
Explanation:
All have to deal with a release of energy.
A fertile valley has farms and a small town. The valley is surrounded by hills, but these hills are not good for farming or living. Over time, the town expands.
How will the town’s growth most likely affect the availability of farmland in the valley?
1. The availability of farmland will decrease.
2. The availability of farmland may increase or decrease.
3. The availability of farmland will remain unchanged.
4. The availability of farmland will increase.
Answers
3, because the land was already not good for farming.
50 POINTS!
Energy is transferred into the ecosystem when
1.when bacteria absorbs nitrogen from other organisms
2. dead organisms decay and form organic matter
3. rodent prey on invertebrates
4.plants grow from the soil
Answers
Answer:
2
Explanation:
Energy is transferred between organisms in food webs from producers to consumers.
The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.
Answer: between organisms in food webs from producers to consumers.
Explanation:
Question 4 (1 point)
Solar panels that heat water use the Sun's radiant energy to reduce the need for non-renewable energy sources.
-O True
O False
Answers
Answer:
The Correct answer is TRUE
BRAINLIEST
While savannas and temperate grasslands are both types of
grasslands and share many characteristics, they also have
some differences. Compare them below by writing each
characteristic in the correct location. You will use each only
once.
• home to many types of grazers
• experience all seasons of weather
• home to bison
• home to the African elephant
• example: tallgrass prairies of North America
• example: Serengeti in Tanzania
• also known as tropical grasslands
• few trees due to little rainfall
1)
(Savannas)
(Both Types of
Grasslands)
(Temperate
Grasslands)
Answers
Answer:
S - Savannas are typically found in tropical or subtropical regions.
S - Savannas tend to have more trees and shrubs.
S - Savanna's climate is drier than that of a grassland.
G - Grasslands are found in temperature regions.
G - Temperature Grasslands are mainly devoid of trees, receive less rainfall than Savannas & endure broader temperature extremes.
G - Grasslands make up 25 percent of the Earth's land surface and dominate in regions with limited rainfall, which prevents forest growth. This results from nearby mountain ranges that cause rain shadows over adjacent open-range lands.
B - Both represent the world's richest and most diverse ecosystems. They both provide a home for a quarter of the world's population and a habitat for thousands of plants and animals.
B - Many species gather in vast numbers, graze on the varied grasses, and can be found nowhere else on Earth. The coexistence between wildlife and grasses is key to healthy ecosystems. Animal migrations regenerate the landscapes, by controlling pests, dispersing seeds, and trampling invasive species. Through this partnership, grasslands and savannahs generate vital benefits for both people and nature.
B - Ecosystems such as these two in specific are essential for climate mitigation – they store carbon, locking it deep in the soil and extensive root systems. They are the source of or support many of the world’s biggest rivers and wetlands, ensure food security, support livelihoods, and are embedded in the cultural identity of millions of people.
(Also, A savanna or savannah is a mixed woodland-grassland<---similarity)
Explanation: Just research. I decided to state 3 characteristics for both The Savanna and The Grasslands, and then 3 for "B" (both).
(Both Types of Grasslands) experience all seasons of weather, few trees due to little rainfall
(Temperate Grasslands) home to bison, example: tallgrass prairies of North America
After a bottleneck event, the population of rabbits in an area has significantly decreased. A decade later, the population of the rabbits recovers to its original numbers. Which statement is correct about the rabbits?
They are more likely to survive environmental changes because of the bottleneck event.
They are as likely to survive environmental changes because they survived the bottleneck event.
They are as likely to survive environmental changes because their population has recovered.
They are less likely to survive environmental changes because of the bottleneck event.
Answers
Answer: They are less likely to survive environmental changes because of the bottleneck event.
Explanation: There is a lack of genetic variation because of the bottleneck effect, making it harder for the species to adapt to an environmental change.
i need to make up a living thing that is not in any of the five kingdoms the teacher told us something like a human that did photosynthesis but we cant use that one and im not sure what to do other than that also we need half a page of its characteristics. Please help
Answers
Why it was important that Gregor Mendel used thousands of pea plants in his experiments? Would Mendel have found the same results if he had used only twenty plants? Explain.
Answers
Answer:
Explanation:
Gregor Mendel used thousands of pea plants in his experiments to ensure that his results were accurate and reliable. By using a large sample size, he was able to reduce the effects of chance and random variation in his experiments. This is important because biological systems are complex and variable, and small sample sizes can lead to inaccurate or misleading results.
Mendel's experiments involved crossing pea plants with different traits (e.g., tall vs. short, yellow vs. green), and he counted the number of offspring with each trait. He found that the offspring followed predictable patterns of inheritance, which he summarized in his laws of inheritance.
If Mendel had used only twenty plants in his experiments, he may not have obtained the same results. With a small sample size, chance events can have a greater impact on the results. For example, if he crossed two pea plants with different traits and obtained only a few offspring, it's possible that chance events (such as mutations or environmental factors) could have influenced the results. This could lead to false conclusions about the inheritance of the traits.
Therefore, using a large sample size was critical to Mendel's success in developing his laws of inheritance. It allowed him to detect patterns that were consistent across many different crosses, and to demonstrate that these patterns were not the result of chance variation.
How to prevent Hepatitis A?
Answers
Answer:
A safe and effective vaccine is available to prevent hepatitis A.
Explanation:
Alternatively, Safe water supply, food safety, improved sanitation, hand washing and the hepatitis A vaccine are the most effective ways to combat the disease. Persons at high risk, such as travellers to countries with high levels of infection, MSM and PWIDs can get vaccinated.
It is a liver disiease caused by hepatitis A virus (HAV). It is spread by getting in contact with the infected person or contaminated food or water. So, to prevent it from happening, just stop using infected stuff.
compare and contrast hormonal regulation during pregnancy and hormonal regulation during the menstrual cycle.
Answers
Answer: In summary, hormonal regulation during pregnancy and the menstrual cycle share some similarities, but differ in their goals, hormones involved, hormonal feedback loops, and timing.
Explanation: Hormonal regulation during pregnancy and the menstrual cycle are both complex processes involving several hormones, but they differ in their overall goals and mechanisms. Here are some key differences:
Goals: The primary goal of hormonal regulation during pregnancy is to maintain the pregnancy and support the growth and development of the fetus. In contrast, the primary goal of hormonal regulation during the menstrual cycle is to prepare the body for a possible pregnancy.
Hormones involved: Both processes involve the hormones estrogen and progesterone, but the levels and roles of these hormones are different. During pregnancy, the placenta produces high levels of estrogen and progesterone, which help maintain the pregnancy and prepare the body for childbirth. During the menstrual cycle, estrogen and progesterone are produced by the ovaries, and their levels fluctuate throughout the cycle.
Hormonal feedback loops: Hormonal regulation during pregnancy involves a positive feedback loop, in which rising levels of hormones signal the body to produce even more hormones to maintain the pregnancy. In contrast, hormonal regulation during the menstrual cycle involves a negative feedback loop, in which rising levels of hormones signal the body to reduce hormone production.
Timing: Hormonal regulation during pregnancy is a continuous process that lasts for nine months, while hormonal regulation during the menstrual cycle occurs on a monthly basis.
The main hormones involved and the general goals of hormonal management during pregnancy and the menstrual cycle are different.
Pregnancy: Human chorionic gonadotropin (hCG), a hormone generated by the placenta, is the main hormone involved in pregnancy. Hormonal control during pregnancy serves to support the foetus' growth and development, preserve the uterine lining, and stop menstruation. Progesterone and oestrogen, among other hormones, are essential in sustaining pregnancy because they help the foetus develop and prepare the body for childbirth.
Menstrual Cycle: Hormones such follicle-stimulating hormone (FSH), luteinizing hormone (LH), oestrogen, and progesterone control the menstrual cycle. Menstruation, the follicular phase, ovulation, and the luteal phase are some of the various phases that make up the cycle. Hormonal control during the menstrual cycle serves to prime the uterus for prospective implantation and fertilisation. Throughout the cycle, levels of oestrogen and progesterone rise and fall, affecting the uterine lining's thickening and shedding.
To know more about Pregnancy, Menstrual Cycle, Hormonal Control,
https://brainly.com/question/2296833
https://brainly.com/question/1483249
https://brainly.com/question/4678959
What will happen? (Newton's 1st Law Egg Drop)
Answers
A natural disaster caused a population of 4,695 organisms to migrate to a new habitat. A few generations after the disaster, it was observed that the new habitat did not support the survival of the species. The table shows the population of the species in the two habitats.
Answers
Answer:
https://brainly.com/question/4104931
This weather map showed the temperature (in °F) in the United States on a winter day. It also includes two pressure systems, labeled "H" and "L." Explain where weather fronts are most likely located, and predict the weather at each pressure system.
Read the assignment carefully and make sure you answer each part of the question or questions.
After you've written your response, go back and read it again to make sure your thoughts are clear.
Please someone answer I need help.
Answers
Answer: The Low Pressure systems will usually be found more North where it gets verycold but can really happen anywhere, and High pressure systems are usually found in the Southwest during winter.
Explanation:
High Pressure:A high pressure system has higher pressure at its center than the areas around it. Winds blow away from high pressure. Swirling in the opposite direction from a low pressure system, the winds of a high pressure system rotate clockwise north of the equator and counterclockwise south of the equator. This is called anticyclonic flow. Air from higher in the atmosphere sinks down to fill the space left as air is blown outward. On a weather map, you may notice a blue H, denoting the location of a high pressure system.
Low Pressure:
A low pressure system has lower pressure at its center than the areas around it. Winds blow towards the low pressure, and the air rises in the atmosphere where they meet. As the air rises, the water vapor within it condenses, forming clouds and often precipitation. Because of Earth’s spin and the Coriolis effect, winds of a low pressure system swirl counterclockwise north of the equator and clockwise south of the equator. This is called cyclonic flow. On weather maps, a low pressure system is labeled with red L.
Item 9
Which example is a way that intercellular communication occurs?
A molecule is sent from one part of a cell to another.
A signal is translated into action for a muscle cell to contract.
A signal is sent from a nerve cell to a muscle cell.
A signal is sent down an exon within a nerve cell.
Answers
Observation
Use your senses to make an observation about your environment.
Questions
Create a hypothesis that can be tested in an experiment.
Remember, a hypothesis has a specific "if then" wording.It describes what will happen to the dependent variable when changes are made to the independent variable.For example, "If a plant is fertilized (independent variable), then it will grow faster (dependent variable)."
Design and plan an experiment.
Be sure to identify an independent variable, a dependent variable, and any controls.Remember, controls are factors which stay the same.In an experiment designed to test the previously stated hypothesis, one control would be to use the same kind of plant.Write a complete description of your experiment.Include a list of necessary materials.It is a good idea to follow a step-by-step procedure format.Think of everything you need to do, then write it down in the order it must be completed.Your description and procedure should be clear enough that another person could duplicate your experiment exactly.
Answers
Answer: E
Explanation:
Experiment Design:
Independent Variable: Intensity of light (Low, Medium, High)
Dependent Variable: Rate of photosynthesis (measured by oxygen production or CO2 consumption)
Control: Same kind of plant, constant temperature, constant CO2 concentration, constant water availability, and constant duration of light exposure.
Materials:
Three identical potted plants (of the same species)
Light source(s) with adjustable intensity
Light meter (lux meter) to measure light intensity
CO2 gas sensor or oxygen gas sensor
Timer or stopwatch
Water supply
Thermometer
Data recording sheets
Procedure:
Set up the three identical potted plants in a controlled environment with the same temperature and CO2 concentration.
Ensure that all plants receive the same amount of water.
Place the light source(s) at an equal distance from the plants.
Measure and record the initial light intensity using the lux meter.
Adjust the light intensity to low for the first plant, medium for the second plant, and high for the third plant.
Start the timer and expose the plants to light for a specified duration (e.g., 1 hour).
During the exposure period, measure and record the temperature, CO2 concentration (if possible), and light intensity at regular intervals.
After the exposure period, use the CO2 gas sensor or oxygen gas sensor to measure the change in CO2 concentration or oxygen production, respectively, in the surrounding air.
Record the data obtained from the sensors and calculate the rate of photosynthesis for each plant.
Repeat the experiment multiple times to ensure reliability and average the results.
Analyze the data collected and compare the rates of photosynthesis among the three different light intensities.
Draw conclusions based on the analysis and determine whether the hypothesis is supported or rejected.
By following this experimental design, you can test the hypothesis and determine the effect of light intensity on the rate of photosynthesis in plants. Remember to conduct the experiment in a controlled environment and gather sufficient data for accurate analysis.
Most medical procedures produce hazardous waste. This waste is usually
burned, which can release chemicals such as mercury into the air
A technology that would best solve this problem is:
A. dumping the waste in the middle of the ocean.
B. burning the waste in areas with low populations.
C. capturing toxic chemicals while the waste is burning.
D. storing the waste underground in sealed containers,
Answers
seems like the most logical one, other options are creating more harm than good
c. makes the most sense because it involves burning and toxic chemicals.
How do volcanoes erupt describe how they erupt in your OWN words
Answers
Volcanoes erupt when a continental-oceanic plates combine piling up the pressure and eventually the magma explode out of the volcano/mountain.
Volcanoes erupt when molten rock called magma rises to the surface. Magma is formed when the earth's mantle melts. Melting may happen where tectonic plates are pulling apart or where one plate is pushed down under another. Magma is lighter than rock so rises towards the Earth's surface.
Tell if you agree or disagree with the statements below and explain your answers:
* The tundra is a biome with tall trees and lots of rainfall.
* A habitat contains all of the abiotic and biotic factors an organism needs to live.
* A farmer has a large field with one type of crop. This area has high biodiversity.
Answers
Answer: the last ones wrong because to have lots of biodiversity you need different types of plants or organisms
A tundra has little to no trees
The habitat one is correct
Explanation:
Which statement correctly describes measuring with a graduated cylinder?
The liquid in the cylinder usually forms a convex meniscus.
Measurement is taken at the bottom of the meniscus.
Measurement is taken at the top of the meniscus.
The liquid in the cylinder can only be water.
Answers
Answer:
measurement is taken at the bottom of the meniscus.
Explanation:
the first answer is not correct since water forms a convex meniscus while Mercury forms cone meniscus just as indicated in the photographs above.
I agree with the second point since we were taught that the Reading should always be taken at the bottom of the meniscus.not on top of the meniscus.
the liquid in the cylinder cannot only be water. we can either put water, Mercury or any other liquid,but not specifically water.
Answer:
measurement is taken at the bottom of the meniscus.
answer this question, multiple-choice question!
Answers
Answer:
CSO, fertilizers. cleaning products
Explanation:
when the punnet square is complete, what will the data in the four individual squares represent?
A. Most likely phenotypes in the offspring
B. Possible allele pairs in the offspring
C. Traits that will be inherited by four offspring
D. Traits that are result of random mutations in the offspring
Answers
Answer:
The answer would be c
Explanation:
This is because the punnett square is used to predict traits that would be passed to the offspring
Answer:
I think the answer is C
Explanation:
Look at the diagram of the rock cycle below.
Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration
Answers
it’s melting
From the diagram of the rock cycle the missing part is ( B ) ; Melting
Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.
Magma is released to the earth surfaces during volcanoes therefore the missing term in the rock cycle is melting
Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.
Learn more : https://brainly.com/question/23661578
At first most scientists did not believe in cold fusion because
A.) It was too easy.
B.) It was not reproducible every time
C.) It produced too much heat.
D.) It destroyed matter.
Answers
Cold fusion experiments have been conducted at room temperature only because there was too much waste involved in the process.
30 points! Need help fast!
What words can you use to describe each one?
Answers
Answer:
bones:
long
short
flat
irregular
muscles:
excitability.
contractility.
extensibility
elasticity
skin:
normal
dry
oily
sensitive
Explanation:
Answer:
skin: oily dry wet
muscles: hard bold
bones: hard wet fragile
Which of the following adaptations would help a tree-dwelling nocturnal scavenger survive in its environment?
Light-colored fur
Heels with fur
Night vision
Short snout
Answers
1. How can hanging clothes reduces the greenhouse gas emissions?
2. What is carbon footprint?
3. What is the difference between finite and infinite?
4. How does using a fan lowers the greenhouse gas emissions?
5. What is mitigating?
6. How can sweeping minimizes noise pollution?
7. How does planting can conserve our natural resources?
Answers
Answer:
Explanation:
1) Hanging clothes to dry reduces electricity use and greenhouse gas emissions and makes clothes last longer.
2) The carbon footprint serves as an indicator to compare the amount of greenhouse gases emitted over the entire life cycle from the production of a good or service along the supply chain to its final consumption
3) The word 'Finite' itself describes that it is countable, and the word 'Infinite' means it is not finite or uncountable.
Answer:
Explanation:
1.) Using hanging clothes instead of using any machine(dryer) reduces the emission of gases and uses natural ways (sunlight, wind) to dry them up.
2.) Carbon footprint can be defined as the amount of greenhouse gases especially carbon dioxide (CO2) and methane emissions, that relate to daily human activities.
3.) If the no. of elements are countable then they are said to be finite, while if the no. of elements are uncountable then they are said to be infinite.
4.) Fans help to evaporate moisture from the skin, providing a cooling effect as it creates breezes instead of cooling it, while
Air conditioners remove heat from the air by using energy-intensive refrigeration cycles,
Thus fan helps to reduce greenhouse gas emissions.
5.) Mitigating refers to the act of reducing or minimizing the negative impacts of a particular issue or problem.
The simple graph shows the relationship between available resources and population size. What evidence does the graph provide? A. An increase in the amount of available resources causes a decrease in population size. B. A decrease in the amount of available resources causes a decrease in population size. C. An increase in the population size causes an increase in the amount of available resources. D. A decrease in the population size causes a decrease in the amount of available resources.
Answers
Answer:
b
Explanation:
Its right
Sorry if not correct
one product was O2 (oxygen gas). What was the evidence of this gas?
Answers
Professor Parsons says
that Cramwood made a
mistake with his BAAD.
What could it have been?
What do you predict the
court will say? Write your
answer to the question
below on the other side
of this page
Answers
By adding tape to his BAAD, Cramwood increased its mass and increased
its inertia. The bigger BAAD requires more force to stop and ends up smacking Cramwood in the head when he applies the brakes.
What is inertia?Inertia is the tendency of an object to resist a change in its motion. Specifically, it is the property of matter that causes an object to maintain its state of rest or uniform motion in a straight line unless acted upon by an external force.
In other words, an object at rest will remain at rest, and an object in motion will continue to move at a constant speed and in a straight line, unless acted upon by an external force.
The amount of inertia an object has depends on its mass, with more massive objects having more inertia than less massive objects.
Learn more about inertia at: https://brainly.com/question/1140505
#SPJ1