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An object that is 6mm (1mm = 0.1cm) long looks 33cm long underneath a microscope.
What is the magnification of this microscope?
Round your answer to 2 decimal places, if needed.

Answer:

eye socket

Explanation:

Answer:

C

Explanation:

took the test

narcotic are illegal drugs is a true statement.

Option A is correct

The term narcotic originally referred medically to any psychoactive compound with numbing or paralyzing properties

Chemicals with an intense physiological effect, such as drugs and psychoactive chemicals, modify brain function and momentarily affect perception, mood, and feelings.

Due to their detrimental effects on the body and human health, drugs are outlawed in the majority of nations around the world. Heroin and cocaine, which are deadly narcotics, cause the most severe addiction.

Drug dependence results in both physical and mental dependence.

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Complete question:

. Narcotics are illegal drugs

A. O True

B. O False

The following characteristics of carrying oxygenated blood, alteration of vessel diameters are indicative of arteries.

Arteries are deep inside our muscles which carry oxygenated blood from left ventricle to all other parts of the body. However, the function of pulmonary is completely opposite to the arteries. Arteries are considered as the primary resistance vessels because they distribute the blood flow into capillary beds. The arterial blood circulation is pulsatile, which means that the blood flow is rhythmic and the intermittent propagation of a fluid occurs through the vessels. The presence of elastin fibers in the large blood vessels enables arteries to increase in size as arteries are under high blood pressure.

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2.4.1

A. Ants are insects ,and insects belong to the phylum Arthropoda.

B. Sponges are the members of the phylum Porifera.

C. tapeworms are from the flatworm phylum, i.e. Platyhelminthes.

2.4.2

Ants have bilateral symmetry, such symmetry implies that the animal has a single plane of symmetry, the sagittal plane, which divides it into two mirror images.

2.4.3

With this symmetry, two axes of polarity are defined: the anterior-posterior (AP) axis and the dorsal-ventral axis. The definition of an AP axis is particularly useful for locomotion, because it determines a direction in which the animal can move allows streamlining to reduce drag.

Answer:

A. A scientific theory is an explanation supported by multiple tests and observations, while a scientific law is a description of a pattern or relationship.

Explanation:

Answer:

Explanation:

A. A scientific theory is an explanation supported by multiple testsand observations, while a scientific law is a description of apattern or relationship.

In simple words:

A scientific theory explains why things happen, backed by evidence, while a scientific law describes what happens, based on consistent observations.

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Some of the keys differences between ferns and seed plants are that:

- Ferns do not have flowers and/or seeds, generally reproducing by producing spores;

- The seed plants makes pollen to be distributed in the environment;

- Ferns are small plants that need to be closer to water sources since they are more susceptible to dehydration.

Answer:

Mitochondria is the powerhouse of the cell

Explanation:

Mitochondria are known as the “powerhouse of the cell.” The organelle that is responsible for the production of energy in a cell is the mitochondria. This is the most vital part of the cell as it takes the food and makes energy for the other parts of the cell.

Mitochondria play host to one of the most important processes in your body, called cellular respiration. Taking in glucose and oxygen, mitochondria produce energy, which they capture and package as energy-rich molecules of ATP.

I hope its helpful•••

Answer:

Mitochondrion

Explanation:

Mitochondrion generates ATP which is necessary for our body as it uses this energy to perform bodily functions.

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The independent variable in an experiment is manipulated by the experimenter to determine its effect on the dependent variable. Answer: a. manipulated.

In an experiment, the independent variable is the variable that is deliberately changed or manipulated by the researcher to see its impact on the dependent variable. The dependent variable, on the other hand, is the variable that is being measured or observed and is affected by the independent variable.

For example, if a researcher wants to investigate the effect of caffeine on reaction time, they would manipulate the amount of caffeine given to the participants (independent variable) and measure their reaction time (dependent variable). The independent variable is the variable that the researcher has control over and can be changed or manipulated, while the dependent variable is the variable that is being measured and affected by the independent variable.

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Conducting extensive research, analyzing new data, and encountering unexpected findings or patterns in pathogen behavior would likely lead scientists to develop new explanations or theories about pathogens.

Scientists are most likely to develop new explanations or theories about pathogens through rigorous scientific investigation, which involves several key actions:

Experimental Research: Conducting experiments to observe and manipulate pathogens under controlled conditions allows scientists to gather empirical data and identify patterns or unexpected outcomes that may challenge existing explanations.

Data Analysis: Analyzing large datasets, including genomic information, epidemiological data, and clinical observations, can reveal novel insights into pathogen behavior, transmission, and evolution, leading to the formulation of new theories.

Observational Studies: Conducting comprehensive field studies and surveillance programs to monitor pathogen spread, host interactions, and environmental factors can uncover previously unknown aspects of pathogen biology or identify unique features that prompt scientists to develop new explanations.

Collaborative Efforts: Collaborating with multidisciplinary teams of scientists, sharing findings, and engaging in scientific discussions and debates foster a healthy scientific environment that encourages the development of new theories and explanation.

Peer Review and Publication: Presenting research findings to the scientific community through peer-reviewed publications invites critical evaluation, feedback, and potential challenges, stimulating the development of alternative explanations and theories.

Through these actions, scientists continuously push the boundaries of knowledge, leading to the development of new explanations and theories about pathogens.

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Answer:

4

Explanation:

The advantage of asexual reproduction is that it does not need a mate. Only one parent is needed for asexual reproduction.

Asexual reproduction is a type of reproduction where  only one parent is need and it does not involve fusion of gametes.

It does not involve exchange of chromosomes.

The offspring that arise by asexual reproduction are genetically and physically identical to each other.

Advantages of asexual reproduction includes :

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Answer:

The illustration is missing the type of organisms known as decomposers. They break down dead animals and plants and have the vital role in returning the nutrients back into the system, where they can be used once more by the primary producers.

Answer: The illustration is missing the type of organisms known as decomposers. They break down dead animals and plants and have the vital role in returning the nutrients back into the system, where they can be used once more by the primary producers.

Explanation:

Answer:

the answer is d

the answer is d

Answer: Hello!

Explanation: Your answer is Diverse Organisms in a Large Region

Answer:The answer would be TO SHOW WHICH BIRD SPECIES WERE MOST COMMON

Explanation:

Given that Maria wanted to learn more about the birds that visit her backyard. She installed several bird feeders and offered a variety of bird seed mixes in order to attract a mix of species.

For a month, she observed the bird feeders three times a day for an hour each day and counted the types of birds that she saw.

Then, she made a pie chart to represent her findings, because pie chart because pie charts

i) can summarize large data in visual form

ii) proportions of each types of birds is revealed easily

iii) accuracy and reliability is more

iv) easy to understand even by a layman

One function of the structure labeled Y is to pump blood into the heart.

The correct option is B.

Structure Y refers to the pericardial cavity which surrounds the heart in snails.

The pericardial cavity plays an important role in the circulation of hemolymph, the snail's equivalent of blood. It functions as a chamber that receives and stores oxygenated hemolymph from the gills and pumps it into the heart, which then distributes it throughout the rest of the body.

Therefore, option "pump blood into the heart" is the correct function of structure Y. Option "digest prey" is not related to the structure Y in snails, and option "remove carbon dioxide from blood" and "capture prey" are not relevant to the circulatory system of snails.

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Complete question:

A snail is shown in the diagram. What is one function of the structure labeled Y?

digest prey

pump blood into the heart

remove carbon dioxide from blood

capture prey

Answer:

For example, if a car turns a corner at a constant speed, it is accelerating because its direction is changing. The quicker you turn, the greater the acceleration. So there is an acceleration when velocity changes either in magnitude or in direction, or both.

Explanation:

hope this helps... (i can't see the pic...)

(─‿─)

Cytosine, a nitrogenous base found in DNA and RNA, pairs with guanine. The correct answer is option B.

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Cytosine pairs with Guanine.

The base Cytosine pairs with the base Guanine in DNA. This base pairing is a key component of the double-stranded DNA structure.

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The ideal would be to cross this sheep with several black sheep and observe the color of each offspring.

We can arrive at this answer because:

In this case, the observation of the offspring's fur is essential to determine the genotype of the white sheep.

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An analogy for transcription factors signaling can be a factor with a similar property can be used. For example, if 2 different tall people visited your house, then your light switch could be turned on by those people, a different transcription factor turning on a gene

Answer:

With respect to mitosis it is true that:

Explanation:

Mitosis is the process of cell division that occurs in somatic cells, resulting in two daughter cells identical to the original cell, that gave rise to them. This process occurs because of the need of organisms to grow, develop, regenerate and repair themselves.

Somatic cells are diploid cells —full chromosome charge— and the result of their mitotic division are diploid daughter cells. The process of mitosis occurs only once during each cell cycle.

    The other options correspond to meiosis, where from one cell haploid daughter cells are obtained, two successive divisions occur - meiosis I and II, the final result being 4 cells.

Genes as well as genomes can be altered by various different mechanisms which include: small mutations, duplications, deletions, rearrangements, and also the infusion of fresh genetic material that contribute to genome evolution.

Even though the genetic element which is mobile in nature could block a gene regulatory sequence and facilitate an array of genetic variations. These genetic variations include small mutations or mutations within a single gene, gene duplications, gene deletions, rearrangements such as exon shuffling as well as additional structural and regulatory changes.

A mutation refers to a an alteration within the DNA sequence of an individual. The term 'genome' refers to the total genetic information that is contained within an organism.

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Answer:

Like the primary producers, the primary consumers are in turn eaten, but by secondary consumers. This is how energy flows from one trophic level to the next. Living things need energy to grow, breathe, reproduce, and move. At the bottom of a food chain is always the primary producer.

Explanation:

Q- Discuss the transfer of biomass when one organism eats another. Use your knowledge of digestion to discuss how food is broken down and used by the consumer.

ANSWER IN ATTACHMENT

Q- What Happens To The Energy That Does Not Transfer To The Next Level?

ANSWER- The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat

Q- Explain why there are typically fewer organisms at the top of an energy pyramid

ANSWER- The number of organisms at each level decreases relative to the level below because there is less energy available to support those organisms. The top level of an energy pyramid has the fewest organisms because it has the least amount of energy

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The transfer of matter and energy occurs from producers to primary consumers to secondary consumers. b) It is lost as heat.  c) Because the top of an energy pyramid has the least energy d) If 10,000 energy units are available at the producer’s level only 1000 units are available at the consumer level.

The primary producers use the sun's energy to produce food which is eaten up by primary consumers which are again eaten by secondary consumers. In this way, there is a flow of energy in the ecosystem.

Digestion is the physical and chemical process of breaking down food into smaller, easier-to-digest molecules.

b) As the energy travels from one trophic level to the next, only 10% of the energy is transferred while the rest 90% of the energy is lost as heat.

c) The reason why there are fewer organisms at the apex of an energy pyramid is due to energy transfer and the principles of thermodynamics. However, as energy is transferred, some energy is lost. The 10% rule states that only approximately 10% of energy available at a trophic level passes to the next level.

d) To illustrate this, let’s look at a simple example using simple numbers. Suppose we have 10,000 energy units available at the producer’s level (the plants). Primary consumers (the plants) can only consume about 10% of this energy, so they’d have 1,000 energy units.

When primary consumers (the carnivores) consume the plants, they’ll only be able to consume about 10% more energy, resulting in 100 energy units. Tertiary consumers (the top carnivores) feeding on the secondary consumers would only get around 10 units of energy.

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Answer:

The process is high-energy intensive (the alternative answer)

Explanation:

Answer:

Explanation:

White blood cells' main job is to fight of germs and diseases within the body. They have do not have a fixed shape which makes it easier for them to form a shape around the germs. Once they surround they can eat the germs or entangle them. Another adaptation is that they can produce antibodies that can also kill the germs.

Answer:

\(\boxed{Option \ 2}\)

Explanation:

=> In the first graph, we come to know that winters are colder and summers are hotter.

=> In the second graph, winters have more precipitation than summer.

=> On the whole, Winters have lower temperature and more precipitation than summers.     ← [Option 2]

=> Summers have high temperatures and less precipitation.

Answer:

\(\boxed{\sf Option \ 2}\)

Explanation:

We can see in the first graph that the winter months have a lower temperature compared to the summer months. The summer months have higher temperatures.

In the second graph, the winter months have much higher average precipitation compared to the summer months. The summer months have lower average precipitation.

Winters have lower temperatures and more precipitation than summers.

Answer:

it is less dense on top of denser material. B

Answer:

A. Denser material on top of less dense material

Explanation:

Took a quiz and got it right.

Explanation:

c. high winds. is the answer

Answer:

b. lightning bolts

Explanation: