Definition: This is a cylindrically shaped attachment on the revolving nose piece of a compound light microscope near the specimen

Answers

Answer 1

Answer:   The answer is objective lens.


Related Questions

In which phase does crossing over occur (where the homologous pairs exchange genetic information)?

A. Prophase I

B. Prophase II

C. Prophase III

Answers

the answer is A. Prophase l

Answer:

A

Explanation:

Crossing over occurs between prophase I and metaphase I and is the process where two homologous chromosome non-sister chromatids pair up with each other and exchange different segments of genetic material to form two recombinant chromosome sister chromatids.

Which statement describes what will most
introduction of the predator?
owal will most likely occur in the rabbit population due to the
A
The rabbits will mutate their genes and e
ace their genes and express genes that increase their speed.
B
Slower rabbits will develop stron
we dobits will develop stronger legs and pass this trait to their ortspning.
Rabbits will mate and produce offspring with a different species
ontspring with a different species that has faster runners.
Faster rabbits will survive and reproduce increasing the a
and reproduce increasing the average speed of the rabbit
population.​

Answers

Answer:

a, the rabbits will mutate their genes and answer a

Explanation:

Faster rabbits will survive and reproduce increasing the average speed of the rabbit population.

Who is a predator?

A predator is an organism that hunts, kills and consumes other living beings for its survival. In the animal kingdom, predators play a crucial role in maintaining the balance of nature. They are typically at the top of the food chain, with prey forming the lower level. The predator-prey relationship is a key aspect of the ecosystem, as it helps regulate the populations of both predators and prey.

The predator species have adaptations, such as sharp teeth and claws, agility, and strength, which help them in capturing and consuming their prey. Some of the common predators include lions, tigers, wolves, and snakes. Their role in the ecosystem is important in maintaining a healthy and stable food chain, which is necessary for the overall health of the environment.

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Which regions have the greatest diversity of amphibian species why do you think those areas have so many different amphibian species

Answers

Answer:

The greatest diversity of amphibians is in tropical forests.

Explanation:

Because amphibians have highly permeable skin and spend a portion of their lives in water and on land they need the the prevalent humidity of the tropical habitat which enables them to occupy a much wider range.

 

Which of the following illustrates a complex virus?

Answers

Answer: d

Explanation:

2. (2) List 2 important objectives for the cow/calf producer.

Answers

Answer:

Important objectives for the cow/calf producer is given below.

1) First objective of cow/calf producer is to provide healthy food material to the cow and calf in order to gain more benefit from it.

2) Second objective of cow/calf producer is to increase milk and meat production from animals in the farm to earn more money from it.

Using the diagram, which of the structures is the youngest?

B

C

D

M

Answers

Answer: D

Step by step:

The youngest structure in the diagram is M (Option D), as it cuts through all other layers.

According to the principles of cross-cutting relationships in geology, the youngest feature is the one that cuts through others. Therefore, M represents the most recent geological event in this diagram.

The principle of cross-cutting relationships in geology states that any geological feature (such as an intrusion or fault) that cuts across other layers or structures must be younger than the layers it cuts through. In other words, if a feature disrupts existing rock layers, it formed after those layers were already in place.

Structure M is an igneous intrusion that cuts through all existing layers and structures, including L (another igneous intrusion). Since M intersects L, it must be younger than L. Additionally, M also cuts through layers K to B, indicating that it formed after the deposition of these layers.

Based on the principles of cross-cutting relationships, we can conclude that M is the youngest structure in the diagram. Geologists use these principles to unravel the Earth's history and understand the sequence of events that shaped the landscape.

The question is:

Using the diagram, which of the structures is the youngest?

A. B

B. C

C. D

D. M

When a woman is pregnant her developing baby receives antibodies from her what type of immunity does this describe?

Answers

Answer:

passive immunity

Explanation:

This graph shows three types of species based on the different patterns of survivorship.
Which survivorship strategy is used by the type I species?
A.) having a high birthrate
B.) having a short life span
C.) having few offspring
D.) dying mostly while young

Answers

Answer: having few offspring

An organism creates young through a process called reproduction. All living things reproduce. No species would live past one generation if they didn't. Thus, option C is correct.

What is the importance of species having few offspring?

Natural selection holds that organisms reproduce more young than they can support in their environment. Those who have greater physical capacity for surviving, developing, and procreating.

Through reproduction, organisms can pass on their traits, or identifying qualities, to their progeny.

Because there are numerous other individuals in a species who can successfully create offspring to maintain the species.

It is unlikely that the failure of one individual to reproduce will have an impact on the species as a whole. However, a species may go extinct if it as a whole is unable to procreate.

Therefore, type I species having few offspring.

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What does the person shown MOST LIKELY do?
A
pass laws
make laws
review laws
carry outlaws
Submit

Answers

Answer:

Review law

Explanation:

Answer:

Correct is review law

Explanation:

I got it right on USA test prep

Which statement correctly compares a hypothesis and a theory?
A theory is a prediction for a specific situation, while a hypothesis is used to make predictions for many similar situations.
A hypothesis is a prediction for a specific situation, while a theory is used to make predictions for many similar situations.
A theory provides an explanation, but a hypothesis does not.
A hypothesis provides an explanation, but a theory does not.
Mark this and return
Save and Exit
I
Next
Submit

Answers

Answer:

A hypothesis is a prediction for a specific situation,while a theory is used to make predictions for many similar situation

Explanation:

An hypothesis is a thought or prediction that a scientist might think would happen while a theory is a experiment to determine if the hypothesis is correct.

Final answer:

A hypothesis is a specific prediction about a new phenomenon based on a theory, while a theory is a broad explanation that explains larger bodies of data.

Explanation:

A hypothesis is a specific prediction about a new phenomenon that should be observed if a particular theory is accurate. It is an explanation that relies on just a few key concepts. Hypotheses are often specific predictions about what will happen in a particular study. They are developed by considering existing evidence and using reasoning to infer what will happen in the specific context of interest.

Hypotheses are often but not always derived from theories. So a hypothesis is often a prediction based on a theory but some hypotheses are atheoretical and only after a set of observations has been made is a theory developed. This is because theories are broad in nature and explain larger bodies of data. So if our research question is really original then we may need to collect some data and make some observations before we can develop a broader theory.

Mr. Kim's eighth grade science class was trying to maintain a classroom garden. Unfortunately, the weeds were taking over. Mr. Kim saw a weed killer advertised on TV which said that one application would kill the three most common garden weeds and would be effective for at least one month. Mr. Kim bought some and applied it to the classroom garden. His students kept track of the weeds growing in their garden.

Answers

Final answer:

Mr. Kim's classroom garden scenario involves herbicides, which are chemicals used to control weeds, making this a Biology-related question. Three types of control methods in managing weeds are chemical, biological, and cultural control. Herbicides can vary in selectivity and persisted effects, and it's essential to handle them correctly to avoid potential health risks.

Explanation:

The story of Mr. Kim's classroom garden involves the use of a weed killer or a herbicide, thus it falls under the field of biology. Herbicides are chemicals that can control or kill unwanted plants such as weeds. They can be non-selective (kill all types of plants) or selective (kill specific types of plants while sparing others). For example, 2,4 D is a selective herbicide that kills most broadleaf plants but spares grasses.

Mr. Kim's approach to weed control in their classroom garden is a type of chemical control, one of the three methods to manage weed populations. The other two are biological control (using living organisms to reduce weed populations) and cultural control (modifying the environment to deter weed growth).

It's important to understand that while the usage of herbicides can be effective, they can also present health risks if humans or other non-target organisms are exposed. Therefore, proper application and management are crucial.

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6. If the bullet in problem #6 is traveling 2 meters of the ground, what would the potential energy
bullet be?: :

Answers

Final answer:

To find the potential energy of the bullet 2 meters off the ground, use the formula PE = mgh. With the given mass of 10g, converted to 0.01 kg, and the height of 2 meters, the potential energy is calculated to be 0.196 joules.

Explanation:

The question is about the potential energy of a bullet that is 2 meters off the ground. The potential energy of an object can be calculated using the formula PE = mgh, where m is the mass of the object, g is the acceleration due to gravity (9.8 m/s2 on Earth), and h is the height of the object above the reference point. In this case, we assume that the mass of the bullet is 10g (which can be converted to 0.01 kg for consistency of units) and the height h is 2 meters.

Using the formula:

PE = mgh
PE = 0.01 kg * 9.8 m/s2 * 2 m
PE = 0.196 J

Therefore, the potential energy of the bullet when it is 2 meters above the ground would be 0.196 joules.

2. Which describes a substance with a high index of refraction?
It causes light to speed up significantly.
It causes light to slow down significantly.
90
It bends light less than air.

Answers

The statement that it causes light to slow down significantly best describes the high index of refraction.

Explanation:

Index of refraction is the amount a medium will be refracting the incident light. As it is a measure of amount of light getting refracted, the medium decides the index of refraction of that type.

If the index of refraction of any medium is high, then it will refract most of the incident light and so the light' speed travelling through the medium will get slower.

So increase in refractive index decrease the light' speed. Thus, if the light' speed decreases or slows down significantly then the substance has high index of refraction.

How would you describe the relationship between the two variables?

What happens as the light intensity increases?

Answers

Answer:

As light increases photosynthesis increases in rate as the plant would have more supply of an reaction due to the sun uv

Sally's teacher asked her to classify a microscopic organism found in pond water. The FIRST characteristic Sally used to figure what kingdom the organism belonged to was

Answers

Sally would first determine if the microscopic organism from pond water has a nucleus to classify it into a kingdom, which would likely place it in the Eukarya domain and possibly the Protist Kingdom.

The first characteristic Sally used to classify a microscopic organism found in pond water into a kingdom would likely be whether the organism has a membrane-bound nucleus. If the organism has a nucleus, it falls into the Eukarya domain, which includes the kingdoms of animals, plants, fungi, and protists. This is because the Three Domain Classification system, proposed by Carl Woese, classifies all living organisms into three categories based on their cell structure and ribosomal RNA (rRNA) sequences: Bacteria, Archaea (both lacking a membrane-bound nucleus), and Eukarya (organisms with a nucleus). Protists are generally eukaryotic organisms that cannot be classified as animal, plant, or fungus, and are common in aquatic environments like pond water.

A characteristic that allows an organism to survive better is called

Answers

Answer:

The characteristics of an organism that help it to survive in a given environment are called adaptations.

Explanation:

How does angiogenesis effects the body

Answers

Answer:

The angiogenesis affects the body

The presence of blood vessels where they shouldn't be found may affect the tissues and leading to an increasement in failure.

The absence of food vessels in a repairing metabolically active tissue may inhibit the repair

It also promotes neoplastic diseases

Explanation:

what was the difference between mendel's work in the inheritance of traits and those done earlier?​

Answers

There were many differences in ways of approach towards the experiment from Mendel and those before them.

Explanation:

Gregor Johann Mendel is known as the father of genetics. He carried out a series of experiments which lead to the deduction of the 2 laws of genetics - the law of segregation and law of independent assortment.

But mendel was not the 1st person to carry out such experiments. But he was the only person who succeeded among them. This is because mendel has several differences from them im his experiments.

Firstly, he chose pea plants which has several easily noticeable characters and he concentrated on one characteristics at a time.

Secondly, he was lucky as the characters he chose were on different chromosomes.

Thirdly, he did his experiment neatly and carried out the artificial pollination with all care so that there's no contamination.

Lastly, he kept careful statistical record of the numbers and characters of progenies.

The desert sand dunes seen here are created through the processes of ___________ and ____________.

Answers

Answer:C

Explanation:because why not

Answer:

Weathering and erosion

Explanation:

It is C because weathering creates the sediments and erosion carries them to where they are, and eventually, all the particles and sediments create a sand dune. Hope this helps!

Are alligators Kings of the Everglades?

Answers

Answer:

Somewhat Yes

Explanation:

With the population of over 200,000 in the area and the lack of natural predators it would seem so.

1 point
Medicare is a national health insurance program that provides health
insurance for Americans
O
(all listed)
O
in terminal stage of certain diseases
O
aged 65 and older
with disability status

Answers

Medicare is a national health insurance program that provides health

insurance for Americans aged 65 and older with disability status

Explanation:

Medicare is the United States Federal Government’s health insurance coverage program especially for the senior people aged 65 and above and also for those with disability status.

Medicare is divided into various parts like A, B, C, D according to the facilities covered and services provided. Part A provides free hospitalization to people who are 65 and above irrespective of their income level. Part B looks into essential medical services like physician office visits, diagnostic studies, equipments like wheel chair etc.  

Medicaid is the coverage that provides health insurance for people in the limited income group.

1. All electromagnetic energy is visible.
2. Electromagnetic energy is the same thing as heat.
3. Ultraviolet has a frequency higher than visible light.
4. The electromagnetic spectrum includes only visible light and infrared.
5. Radio waves are not really electromagnetic.
6. Only visible light can transmit through a vacuum.
7. All electromagnetic waves are transmitted, reflected, and absorbed depending on the material they hit.
8. All electromagnetic waves have the same frequency.

Answers

False - Not all electromagnetic energy is visible.False - Electromagnetic energy and heat are distinct phenomena.True - Ultraviolet has a higher frequency than visible light.False - The electromagnetic spectrum includes various forms of radiation beyond visible light and infrared.False - Radio waves are a form of electromagnetic radiation.False - Various electromagnetic waves, not just visible light, can transmit through a vacuum.True - Electromagnetic waves exhibit transmission, reflection, and absorption properties based on the material they encounter.False - Electromagnetic waves have a range of frequencies, not a uniform frequency.

Electromagnetic energy encompasses a broad spectrum of wavelengths, including visible light, but also extends beyond both shorter and longer wavelengths such as ultraviolet, X-rays, and radio waves, which are invisible to the human eye.While both involve the transfer of energy, electromagnetic energy refers to the entire spectrum of electromagnetic waves, including visible light, whereas heat is related to the kinetic energy of particles and does not exclusively involve electromagnetic radiation.In the electromagnetic spectrum, frequency is inversely proportional to wavelength. Ultraviolet radiation has shorter wavelengths and, consequently, higher frequencies than visible light.The electromagnetic spectrum spans a wide range of wavelengths, encompassing radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.Radio waves are a type of electromagnetic radiation with longer wavelengths than visible light. They are widely used in communication and broadcasting.Electromagnetic waves, including radio waves, microwaves, and X-rays, can transmit through a vacuum as they do not require a medium for propagation.When electromagnetic waves encounter a material, they can be transmitted through it, reflected back, or absorbed, depending on the characteristics of the material.Different types of electromagnetic waves have distinct frequencies, ranging from radio waves with lower frequencies to gamma rays with higher frequencies. They do not share a uniform frequency across the entire spectrum.

2 Polhts
What is true of the members of the same population? Select all that apply.

Answers

Answer: They are all the same species.

Explanation: A population is defined as a group of individuals of the same species living and interbreeding within a given area. Members of a population often rely on the same resources, are subject to similar environmental constraints, and depend on the availability of other members to persist over time.

Answer:

They are all the same species

Explanation:

AP3X

please help me ASAP

Answers

Answer:

A population is divided.

Explanation:

https://quizlet.com/188846932/214-quiz-genetic-isolation-flash-cards/

Sodium is an element found in table salt. It contains 11 protons and
12 neutrons. How many electrons are found in a neutral atom of
sodium?
A. 11
C. 23
B. 12
D. 1

Answers

Answer:

11 electrons are found in a neutral atom of sodium.

Explanation:

atoms are made up electrons and protons. Electrons are negatively charged particles and protons are positively charged particles. The number of electrons and protons are constant or fixed in an element. However, the number of electrons and protons may not be always equal. the number of protons in the atom is equal to the atomic number of the element. sodium's atomic number is 11 and thus the number of protons is also equal to 11. since sodium atom is neutral, the number of protons = the number of electrons. thus the number of electrons in a neutral sodium atom is 11

What is the value in meters per second squared, of the acceleration of
gravity?

Answers

The rate of acceleration of gravity is 9.8 m/s^2

what is the name for a complex, organized group of organisms

Answers

Answer: Community

Explanation:

A community refers to a group of organisms including plants, animals and microorganisms, living and breeding together in a given area.

It is organized because some organisms called producers (plants) produce the food which is eaten by consumers (animals), and after the consumers die, Decomposers (microorganisms) feed on them.

Thus, community is the answer

If the DNA sequence of Species 5 were examined, which percentage of its nucleotide sequence would be identical to
that of Species 4?
A)
below 61%
B)
close to 96%
between 88% and 96%
D
between 61% and 88%

Answers

Answer: D

Explanation:

Different between sperm and ovum?​

Answers

Answer:

1.Sperm is a male reproductive material that form at the onset of puberty.

2. Sperms are produce in immense amount.

3. Sperms are motile.

Explanation:

1. Ovum is produced in females which is called egg.

2. Ovum is nonmotile.

3. They are produced in limited amount in a process called ovulation.

Possible ways the universe might end.

Answers

Answer:

Universal heat death, a major freeze, or big rip. Who knows??

Hope this helped.

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A goods price elasticity of demand depends in part on how necessary it is relative to other goods. If the following goods are priced approximately the same, which one has the most elastic demand?1. Sports car2. Chemotherapy for cancer patients A few weeks into the deadly SARS (Severe Acute Respiratory Syndrome) epidemic in 2003, the number of cases was increasing by about 4% each day. On April 1, 2003, there were 1,804 cases. Find an exponential model that predicts the number of cases t days after April 1, 2003. f(t) = Use it to estimate the number of cases on April 26, 2003. (The actual reported number of cases was 4,836.) Which resonance form is likely to contribute most to the correct structure of n2o? A 50-year old teacher presents to the urgent care clinic for evaluation of paralysis in her face. She has a history of upper respiratory infection 2 weeks before the onset of these symptoms. She states that her face is dropping and that she is unable to close her eye. on physical examination, you note that her forehead is smooth on the right side, her palpebral fissure appears widened, and her nasolabial fold appears flattened, and she is drooling. Based on this information, what is the most likely diagnosis? Superior Printing, Inc. has provided you with its bank statement and Cash T-account for the month of June. The Controller has asked you to prepare the Bank Reconciliation for the month of June.BANK STATEMENTDate Checks Deposits Other Balance June 1 18,500 3 440 18,060 4 1200 16,860 8 500 16,360 10 1200 15,160 13 250 10,000 24,910 20 80 NSF 840 23,990 22 9800 35,000 49,19026 350 48,840 27 4600 44,240 29 700 17000 60,54030 920 Serv. Charge 50 59,570 30 600 Interest 30 59,000 Earned Sheet # 2 Cash June 1 Bal. 18,500 June 13 deposit 10,000 Check #100 440June 22 deposit 35,000 Check #101 1200June 29 deposit 17,000 Check #102 500June 30 deposit 28,000 Check #103 1200Check #104 250Check #105 80Check #106 9800Check #107 350 . Check #108 4600 Check #109 770Check #110 4900 Check #111 700Check #112 920Check #113 600June 30 Bal. 82,190 Feigen baum popularized the term _____, which described the portion of plant capacity wasted due to poor quality. 1. Exponential distribution 2. Hidden factory 3. Quincunx 4. Quality trilogy 5. Out sourcing A price tag of $4 for a portable power bank is an example of money as A) a medium of exchange. B) a unit of accounting. C) a store of value. D) a time deposit. One of the surprises to come out of the _____ was that humans have far fewer than 100,000 genes, the number scientists thought most likely throughout the twentieth century. The parts of a chromosome are labeled. The top, shorter portion is labeled a.Which is indicated by the letter a?petit armqueue armcentromeregene Which was a theme often explored in American literature and art during this period?A.) The relationship of humans between cultures. B.) The relationship of humans with God. C.) The relationship of humans with nature. D.) The relationship of Americans with their European or African roots. What might happen if one of your tendons snapped in half? Which of the following is NOT a difference between cardiac and skeletal muscle? Which of the following is NOT a difference between cardiac and skeletal muscle? The plasma membranes of cardiac muscle cells interlock, but skeletal muscle fibers are independent. Cardiac muscle does not use the sliding filament mechanism for contraction; skeletal muscle does. Cardiac muscle cells contain more mitochondria than do skeletal muscle cells. A client recently diagnosed with an injury to the articular cartilage of the knee asks the nurse how long it will take the injury to heal. Which of the following statements is the best response from the nurse?"Regeneration of most cartilage is slow. These injuries can take a long time to heal." What is Terpsichore?A. A set of madrigals by Thomas Morley.OOB. A set of instrumental dances by Michael Praetorius.OC. A book about music published in three volumes by MichaelPraetorius.OD. A book containing descriptions of major and minor scales byGiosoffo Zarlino.SUBMIT Which is the best approximation for the value of 140?A.11B.12C.70D.72 Several months after watching a science fiction movie about spaceship travel and alien abductions, Steve began to remember that he had been abducted by aliens and personally subjected to many of the horrors portrayed in the movie. His mistaken recall best illustrates _________.a) implicit memoryb) the spacing effectc) source amnesiad) mood-congruent memory Which of the following describes a pattern in the table Match the scenario with its distribution type. Group of answer choices Sammy takes a sample of 200 students at her college in an attempt to estimate the average time students spend studying at her university. She plots her data using a histogram, the histogram shows what type of distribution? Phil wants to estimate the average driving time to work for individuals in Corvallis, Oregon. He takes a simple random sample of 100 individuals and records their drive time. Phil knows that a different sample will yield a different sample average. Suppose Phil was able to repeatedly sample a different group of Corvallis residents until he obtained every combination of 100 residents. If he plots the sample means from each sample this distribution will represent which type of distribution? An instructor wants see the scores of her entire class after the midterm. The distribution of scores represents what type of distribution? Which style of communication refers to employees with self-assurance, who can command authority, and like to display their expertise?a. dominant b. private c. sociable d. open Factor the quadratic expression completely.-7x^2-24x-9=