Joe now shifts his focus from the tree to the squirrel. To do this, the ciliary muscles in his eyes must have _____ the curvature of the lens, resulting in a(n) _____ focal length for the cornea-lens system. Note that curvature is different from radius of curvature. A. increased / increased B. increased / decreased C. decreased / increased
Answers
Joe now shifts his focus from the tree to the squirrel. To do this, the ciliary muscles in his eyes must have increased the curvature of the lens, resulting in an increased focal length for the cornea-lens system. A) increased / increased.
When Joe shifts his focus from the tree to the squirrel, his ciliary muscles contract, which causes the suspensory ligaments to loosen, and the lens becomes thicker and more curved. This increase in curvature of the lens allows the cornea-lens system to refract light more effectively, resulting in a shorter focal length. The shorter focal length allows the image of the squirrel to be focused precisely on the retina, providing a clear and sharp image. This process of adjusting the shape of the lens to focus on objects at different distances is called accommodation, and it is a critical function of the eye that enables us to see objects clearly at different distances.
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Related Questions
help for my son thanks yall
Answers
Answer:
1. Carl Linnaeus
2. Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species
3. Taraxacum Officinale
What are the differences between the transport of materials in xylem and phloem ? I need long answer, pls help me guys.
Answers
Xylem tissue helps in the transport of water and minerals. Phloem tissue helps in the transport of food. Transport in xylem requires physical forces such as transpiration pull. Transport of food in phloem requires energy in the form of ATP.
Which evidence supports the importance of the ocean in the water cycle?
Answers
One of the evidence that supports the importance of the ocean in the water cycle is evaporation.
Water cycle explained.
The ocean plays a critical role in the water cycle, and there is a range of evidence to support this statement, including:
Evaporation: The ocean is the largest source of water vapor for the atmosphere. The sun's heat causes the ocean water to evaporate, and this water vapor is transported by the atmosphere to other parts of the world where it falls as precipitation. This process is a significant driver of the water cycle.Precipitation: The ocean is a primary source of precipitation, which falls as rain or snow on land. As water evaporates from the ocean and forms clouds, these clouds move over land, where they release the water as precipitation.Runoff: Water from the land ultimately flows back to the ocean through rivers and streams. The ocean absorbs this freshwater and helps to maintain the balance of saltwater and freshwater in the ocean.Climate regulation: The ocean plays a significant role in regulating the earth's climate. As a result of its vast size and high heat capacity, the ocean absorbs and stores a vast amount of heat energy from the sun. This heat is redistributed around the world through ocean currents, which help to regulate the earth's climate.In summary, the ocean is a critical component of the water cycle, and its role in the cycle is supported by numerous lines of evidence. Without the ocean, the water cycle would be greatly disrupted, with potentially catastrophic consequences for the earth's ecosystems and climate.
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How does organic farming help minimize the impact of growing crops on the environment when compared to traditional farming methods?
A.
Organic farming results in increased carbon dioxide emissions in the atmosphere.
B.
Organic farming results in soil being able to hold less water during a drought.
C.
Organic farming results in increased soil fertility and decreased soil erosion
D.
Organic farming results in decreased biodiversity and reduced ecosystem health.
Answers
Answer:
C
Explanation:
please give brainlist
Question 1
Write words or phrases that take the word nature down to three levels of abstraction.
Answers
phrases words refer to intangible qualities, ideas, and concepts. These words indicate things we know only through our intellect, like "truth," "honor," "kindness," and "grace."
 What is the most likely explanation for how speciation occurs?
A. It occurs by more than one method.
B. It occurs by gradual changes.
C. It occurs only by geographic isolation.
D. It occurs only by natural selection.
Answers
Answer:
The answer is (C) geographical isolation
Explanation:
Speciation is most likely to occur when populations become geographically isolated from one another, and come to inhabit environments that differ significantly from one another.
Which of the following was NOT common practice during the Green Revolution? A. using large amounts of manmade fertilizer B. using large amounts of water C. decreased frequency of cropping D. using large amounts of pesticides
Answers
Decreased frequency of cropping was not a common practice during the
Green Revolution.
The Green revolution occurred between the 1950s and 1960s and involved
the increase in agricultural products through the adoption of various
techniques and mechanisms.
The techniques included using of fertilizer, pesticides and herbicides to clear
weeds and pests for optimal growth. There was also an increase in the
frequency of cropping and not a decrease.
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Sleep is important for which memory process?
a. Perception of sensory information in the sensory register
b. Consolidation of short-term memories into long-term memories
c. Formation of flashbulb memories
d. Holding material in the eidetic engine
Answers
Explanation:
Dreams and sleep allow us to process information received throughout the time awake
Which stage of the cell cycle is matched with the proper event?
Answers
True/ False
The release of LH and FSH by the anterior pituitary is under control of the same hypothalamic tropic hormone.
Answers
The release of LH and FSH by the anterior pituitary is under control of the same hypothalamic tropic hormone. This statement is True.
Tropic hormones are hormones that target other endocrine glands. The anterior pituitary gland produces and secretes the majority of tropic hormones. The hypothalamus secretes tropic hormones that target the anterior pituitary gland, and the thyroid gland secretes thyroxine, which targets the hypothalamus and is thus classified as a tropic hormone.
Tropic hormones produced by the anterior pituitary gland include:
Thyroid-stimulating hormone (TSH) - stimulates the thyroid gland's production and release of thyroid hormone.The adrenal cortex is stimulated to release glucocorticoids by adrenocorticotropic hormone (ACTH or corticotropin).LH - stimulates the release of steroid hormones in the gonads (ovary and testes).Follicle-stimulating hormone (FSH) - stimulates egg maturation and sperm production.To learn more about tropic hormones, here
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Which is a carbohydrate monomer?
O glucose
O Sucrose
O glucagon
O glycogen
Answers
Answer:
glucose
Explanation:
glucose is a monosachcharide
_____ energy is tapped from the heat of Earth.
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
Volcanic
Geothermal
Convection
Terra therma
Answers
Answer:
-- Geothermal energy is tapped from the heat of the Earth.
Which wave has a longer wavelength? * 1 point Captionless Image Wave A Wave B
Answers
Answer:
wave B
Explanation:
:):)
what vibrates as an electromagnetic wave passes by?
Answers
James is a scientist who is working on finding an answer to a question about solar eclipses; however, he doe
have enough time or data to test all the possible answers to his question. Based on this, James is using spe
studies and calculations in an effort to find answers that are close to, or an approximation of, a correct answe
are these approximation answers that James is looking for called?
O
intervals
O
astrometry
O
estimation
clusters
Answers
Answer:
The approximation answers that James is looking for are called "estimation".
Explanation:
Estimation involves using limited information and data to approximate a value or answer that is close to the correct answer. In James' case, he is using specialized studies and calculations to estimate an answer to his question about solar eclipses since he does not have enough time or data to test all possible answers.
Which option describes a step in designing an experimental investigation? O A. Identifying the variables that will be controlled for all experimental groups B. Writing a procedure that prevents other scientists from repeating the results C. Making sure that the hypothesis will be supported and not refuted O D. Collecting each piece of data in a different way so that there is more variety
Answers
A step in designing an experimental investigation is identifying the variables that will be controlled for all experimental groups.
The correct option to the given question is option A.
An experiment is a controlled investigation where scientists manipulate and measure specific variables. Scientists design experiments to test hypotheses and answer questions. In the design of an experiment, several steps must be followed to ensure the results are accurate and reliable.
Identifying the variables that will be controlled for all experimental groups: This is an essential step in designing an experimental investigation. Controlled variables are variables that scientists keep constant throughout the experiment so that they do not influence the dependent variable.Writing a procedure that prevents other scientists from repeating the results: Scientists usually provide a detailed description of their experimental procedures to ensure that other scientists can reproduce the results of the experiment and verify its accuracy.
Making sure that the hypothesis will be supported and not refuted: A hypothesis is a statement that scientists make that explains the relationship between the variables in an experiment. The hypothesis must be tested to determine whether it is supported or refuted.Collecting each piece of data in a different way so that there is more variety: In an experiment, data is collected to support or refute the hypothesis. Scientists should collect data in different ways to ensure that the results are reliable and accurate.
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Deer mice are usually dark brown and live in forests with dark soil. However, the deer mice in the Sand Hills of Nebraska are lighter brown and live in an area with light, sandy soil.
Based on this information, what ,begin emphasis,most,end emphasis, likely caused the change in the Sand Hills deer mice?
Answer options with 4 options
A.
Lighter colored mice were preferred by females.
B.
Lighter colored mice came from snowy habitats in the north.
C.
Lighter colored mice had more dominant genes in their new habitat.
D.
Lighter colored mice were more likely to avoid predators and to reproduce.
Answers
Lighter colored mice were more likely to avoid predators and to reproduce. Therefore, option (D) is correct.
The lighter brown coloration of the deer mice in the Sand Hills of Nebraska is likely an adaptation that provides them with a survival advantage in their specific habitat. The light, sandy soil in the area may offer better camouflage for lighter colored mice, making them less visible to predators and increasing their chances of survival.
As a result, these mice would have a higher likelihood of successfully reproducing and passing on their lighter coloration traits to future generations.
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Hey, I need help with these questions please:
Answers
Answer:
10x bigger than bacterial and archaeal cells
Which model accurately represents how DNA replication functions? Explain.
Answers
Answer: the semiconservative one
Explanation: it desribes how dna replication works
The force that
Governs the
The greater the
The
system - this explains why the planets
all objects with
of the
☆
of an object, the greater amount of
has more gravitational force than any of the
around the Sun
toward one another
force
in the solar
Answers
Answer:
the greater amounts of has more gravitational force than any of the around of sun toward one another force in the solar
An 81-year-old woman with RA) has been controlled with methotrexate for 18 years. Recently she experienced increased joint pain and swelling in her right knee that have affected her mobility and activity level. She walks with a cane in the community but uses a walker at home. Earlier in the week, she almost fell while walking to her car after she left the bank. The rheumatologist plans to add etanercept (Enbrel) to her drug regimen.
With what members of the health care team might you collaborate as part of her plan of care?
Answers
Answer:
It is imperative to include immunologists and dermatologists to the care team.
Explanation:
Methotrexate is an antimetabolite drug that is used to treat different diseases including, arthritis rheumatoid and psoriasis, this medicament is known to reduce cell growth and to decrease the immune system responses. Moreover, etanercept (Enbrel) is a tumor necrosis factor-inhibitor drug that also is used to treat rheumatoid arthritis and psoriasis. In addition, this drug has also been associated with the functioning of the immune system by altering inflammation responses in the body.
In consequence, it is necessary to include in the health care team both immunologists, in order to study the effect of these drugs on the immune system (like inflammatory responses, for example), and dermatologists in order to examine their effects on skin associated-conditions (like arthritis-like psoriasis).
If there was 0% growth in the use of coal, about how many more years will the worlds supply of coal last?
120,000
1,200
120
12,000
Answers
If there was 0% growth in the use of coal, it was 120,0.
What is Coal?Long before there were dinosaurs, the majority of the fossil fuels we use today were first discovered. The majority of the energy we consume worldwide comes from fossil fuels.
Because coal is a fossil fuel generated in the veins of rocks beneath the Earth's surface, miners must descend so far to obtain it.
Despite the fact that humanity have used up all of the fossil fuels that are already on the planet, there will likely still be unexplored supplies of them.
Therefore, If there was 0% growth in the use of coal, it was 120,0.
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Question 5 of 5
Which two statements are true for both compounds and mixtures?
A. Their particles all have the same chemical formula.
B. Their particles are held together by chemical bonds.
C. They can be separated into two or more elements.
D. They are made up of more than one type of atom.
SUBMIT
Answers
The two statements that are true for both compounds and mixtures are:
Their particles are held together by chemical bonds.
They are made up of more than one type of atom.
Options B and D are correct.
How do we know?It is general knowledge that compounds and mixtures are made up of more than one type of atom.
In compounds, the atoms of different elements combine in fixed ratios to form distinct chemical compounds.
On the other hand, in mixtures, different substances which may be elements or compounds are known to be physically mixed together without forming new chemical compounds.
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Please help it’s not
Which of the following is not a characteristic of lakes?
A) deeper than ponds
B) lack of waves
C) found in mountainous regions
D) larger than ponds
E) fed by rivers
Answers
Answer:
I think the answer is (C)
explain the importance of all 3 biomolecules in general and for making ATP.
Answers
The three biomolecules that are used for making ATP are Lipids (fats) , Carbohydrates and Proteins
The biomolecules also known as biological molecules serve a wide range of activities and they vary in shape and their size . It is also considered essential to life because they help organisms develop, survive, and propagate. The biomolecules interact with one another which play a role in the development of organisms .
There are four types of biological molecules which are carbohydrates which is used as an energy source , lipids which is used for storage and support , proteins is used for supporting essential vital functions and amino acids are the developing elements that make up proteins and nucleic acids for storing genetic information .
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A stretch of river running through a state wildlife preserve is 25,000 m long. A
team of conservationists make a scale model of the river that is 1 m long.
What is the scale of the model?
A. 1:1
B. 1:25,000
C. 10:25
D. 2,500:1
Answers
Answer:
B
Explanation:
I guessed and I got it correct
The scale of the model is 1:25,000. So, the correct option is B.
Scale models are used to represent things or places at a smaller, more manageable size while maintaining proportionality. They are often employed in many different disciplines including geography, engineering and architecture.
By comparing the length of the model to the length of the actual river, one can estimate the scale of the model.
The scale can be determined by dividing the length of the actual river by the length of the model, where the model is 1 m long and the actual river is 25,000 m long:
Scale = Length of actual river / Length of model
Scale = 25,000 m / 1 m = 25,000
Therefore, the scale of the model is 1:25,000. So, the correct option is B.
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Which organelle is labeled H?
cell membrane
cell wall
endoplasmic reticulum
nucleus
Answers
the cell membrane is found in all cells and separates the interior of the cell from the outside environment
Look at the food web shown below.
which organisms get energy from producers?
a. squid
b. zooplankton
c. sperm whales
d. phytoplankton
Answers
Which is an example of geographic isolation?
Responses
A Two groups of albatross live on separate islands but commonly cross from one island to the other.Two groups of albatross live on separate islands but commonly cross from one island to the other.
B A group of snakes is unable to cross a river and is separated from a group of snakes on the opposite side.A group of snakes is unable to cross a river and is separated from a group of snakes on the opposite side.
C A species of chipmunk becomes extinct because of a lack of food.A species of chipmunk becomes extinct because of a lack of food.
D One group of frogs mates in spring and another mates in fall, effectively isolating the two groups from breeding with each other.
Answers
A group of snakes that is unable to cross a river and is separated from a group of snakes on the opposite side is an example of the geographic isolation process (Option B).
What is the geographic isolation process?The geographic isolation process refers to all types of geographic barriers such as rivers that limit the gene flow between individuals of the same species.
Therefore, with this data, we can see that the geographic isolation process is associated with a limited gene flow in a population due to geographic barriers between individuals.
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Briefly explain why DNA replication is semiconservative and discontinuous. Make sure to name the proteins involved in the synthesis of DNA, synthesis of RNA, the removal of RNA and the sealing of the nicks.
Answers
Answer:
DNA replication is semiconservative: each new strand has a strand of the parent DNA and another strand of new synthesis. DNA synthesis is discontinuous, since one of the strands, the lagging strand, replicates intermittently within the replication bubble, while the leading strand replicates continuously. For replication, apart from DNA polymerases, requires the action of enzymes that synthesize the primer, DNA ligases, enzymes that are responsible for joining pieces formed of chains, etc. RNA is synthesized through a process called transcription in making a complementary copy of a piece of DNA.
Explanation:
Replication is discontinuous since one of the strands, the lagging strand, replicates intermittently within the replication bubble, while the leading strand replicates continuously. It is bi-directional, because the strand is copied in both directions, and depending on the point of origin and the way it is viewed, a strand can be either discontinuous or continuous. Finally, replication is said to be semi-conservative since the original strands are part of each of the double strands resulting from replication.The unwinding of the DNA and the maintenance of the two separate strands in the replication fork so that the two new strands can be synthesized requires the action of proteins: Gyrase allows the release of the torque tension of the DNA double strand while the helicase separates the strands, allowing the action of DNA polymerases, which are responsible for the inclusion of new nucleotides as the DNA model strand is copied. Finally, the primases allow the incorporation of leader sequences at the beginning of the replication forks, allowing the action of DNA polymerases. DNA ligases seal cuts or nicks (broken phosphodiester bonds). DNA ligase also splices the ends of DNA into duplex regions. Transcription consists of the synthesis of RNA taking DNA as a template and means the passage of the information contained in DNA to RNA. The transfer of information from DNA to RNA is carried out following the complementary rules of the nitrogenous bases. When the entire strand has been copied, at the end of the process, the RNA chain is free and the DNA is closed again, by pairing of its complementary chains.