Copernicus rediscovered Aristarchus's heliocentric model. Thus, option "B" is correct.
How, explain your answer?The event which took place during the Copernican revolution, when most people started to believe in the heliocentric model of the solar system was that Copernicus rediscovered Aristarchus’s heliocentric model.
Thus, option "B" is correct.
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using oil immersion is useful because
Using immersion oil is useful as it acts as an interface between the blade and the front lens of the objective, improving the quality of the visualized image.
What is immersion oil for?Immersion oil is a resource generally used with the objective of greater magnification, its function is to act as an interface between the blade and the front lens of the objective, improving the quality of the visualized image.
With this information, we can conclude that using immersion oil is useful as it acts as an interface between the blade and the front lens of the objective, improving the quality of the visualized image.
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What phase of mitosis is shown in the
diagram below
Answer:
prophase
Explanation:
Homeostasis refers to:
Answer:
A stable condition
Explanation:
Dictionary Definition- a tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes
Answer:
A Stable Condition
What is Homeostasis?
The tendency of a system, especially the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus that would tend to disturb its normal condition or function.
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What stimulates the secretion of parathyroid hormone from the parathyroid gland?.
Answer:
Low calcium levels in the blood
Explanation:
In primary hyperparathyroidism, one or more of the parathyroid glands is overactive. As a result, the gland makes too much parathyroid hormone (PTH). Too much PTH causes calcium levels in your blood to rise too high, which can lead to health problems such as bone thinning and kidney stones. this will happen if parathyroid hormones got high in human body..
Answer:
Low blood calcium
Explanation:
suggest why a plant cell in 0.10 mol dm salt solution will not burst
Answer:
So, the correct answer is 'Cells wall is rigid and does not get overstretched'
What are the defining characteristics of ray-finned fishes?
Ray-finned fishes possess the characteristics of chordates.
Characteristics of ray-finned fishesThey are a group of fishes known as Actinopterygii in the Chordate phylum.
Thus, they possess the basic characteristics of chordates, such as:
Possession of hollow nerve cordPossession of notochordPossession of post- tailPossession of pharyngeal gill-slitsThis is in addition to basic features of fishes such as lateral lines, swim bladder, etc.
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Which of the following is not true about the distribution of species? a. A species’ native range does not include areas where it was introduced by humans. b. Some species have a range they inhabit only for breeding. c. Seasonal ranges include areas where species are found for part of the year. d. All the organisms in an ecosystem share distribution patterns.
Answer:
D is the right answer ....
Answer:
d
Explanation:
Q3. Why do we need to break big molecules into smaller molecules?
Answer:
In order for them to be quickly and easily absorbed.
________________________________________________
Short Answer:
Enzymes help break down large molecules for us since certain of their components are the only ones that are useful to us. In order to create proteins, lipids, and other components necessary for survival, the tiny molecules become soluble and are quickly taken into the circulation. Additionally, they could need to travel through some membranes, therefore when they are little, they can do so without difficulty.
________________________________________________
Long Answer:
The nutrients in food must pass the gut lining in order to exit the digestive system and enter our blood. This absorption occurs in the ileum and jejunum regions of the gut. In some regions, the gut lining is brimming with chemical systems that may latch onto the food's smaller molecules and "chaparone" them across the gut and into the liver. These "chaparone" molecules can hold small peptides and amino acids but not whole proteins. Greater floor fragments do not absorb. Without "chaparones," some of the stomach-digested products pass through the gut's pores, but they must be smaller than the pores. Only tiny pieces and certain fragments with complementary "chaparones" of the food we eat are molecular fragments that are absorbed. A number of gastrointestinal conditions are caused by an imbalance in the gut's capacity to absorb nutrients. One condition where iron is not effectively absorbed is Cooly's anemia. Iron deficiency affects Cooly's anemia patients, even if their stomachs digest food correctly and they have normal iron absorption. Catabolism is the process of dissolving big molecules into smaller ones. Catabolism releases energy by rupturing bonds. Anabolism creates new connections and needs energy to function. Catabolic reactions (destructive or biosynthetic process) breaks down large molecules and release energy
he Red Sea is a body of water formed where the African and Arabian plates are separating from one another. This sea is an example of a landform created by __________ movement.
A.
lateral plate
B.
convergent plate
C.
divergent plate
D.
transform boundary
The Red sea is an example of a landform created by a divergent plate. Thus, the correct option is C.
What are Divergent plates?Divergent plates may be defined as a location where two tectonic plates are locomoting away from each other, vacating a void between them that can be sufficed with magma.
Divergent plate movements are mainly responsible for separating the bodies of African and Arabian water from one another.
Therefore, it is well described above.
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Which type of electromagnetic wave has more energy than a wave of
visible light with the same amplitude?
O x-ray
Microwave
Radio wave
Infrared light
Which of the following is an example of a beneficial mutation?
A.
a mutation causing uncontrolled cell division in human tissue cells
B.
a mutation inhibiting human immunodeficiency virus from entering the host cell
C.
a mutation resulting in partial or complete loss of chlorophyll pigments in plants
D.
a mutation resulting in a squirrel being born without ovaries
Answer: A
Explanation: TOOK THE TEST OK
Dihybrid crosses In humans, rolling tongue is dominant over non-rolling and curved thumbs are dominant over straight thumbs. do a cross between: heterozygous roller/heterozygous curved and homozygous non-roller/homozygous straight. describe the phenotypes as fractions?
Answer:
Heterozygous roller/heterozygous curved, heterozygous roller/homozygous straight, homozygous non-roller/heterozygous curved, homozygous non-roller/homozygous straight
Explanation:
How does biodiversity affect ecosystem stability?
A. Not all ecosystems are effected in the same way
B. Biodiversity has no effect on stability
C. More biodiversity increases stability
D. More biodiversity decreases stability
The ecology is absolutely necessary for biodiversity. Ecosystem stability also rises as a result of increased biodiversity.
What do you mean by biodiversity?
The term "biodiversity" is used to describe the variety of species that can be found on earth. It can include things like plants, animals, bacteria, fungi, and microbes. The diversity of life on earth is immense; while many species are still waiting to be discovered, many more have already gone extinct. The ecosystem is composed of every single living thing. It also covers their surrounding environment and how people interact with them.
The ecosystem depends heavily on the various species. Therefore, the ecosystem's ideal balance is impacted when a single species goes extinct or is lost. Plants use the energy from the sun as part of the ecosystem's cycle.
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Imagine that you are preparing to do an experiment in the location pictured below. To prepare for your experiment, you need to gather some data about the location. What are two pieces of qualitative data that you will collect about this location? What are two pieces of quantitative data that you will collect about this location? Be sure to distinguish which data is qualitative and which is quantitative.
Answer:
1. The deepest seas were formed at the break of tectonic plates, such as the Mediterranean.
2. Each sea has a different salinity.
The processes of meiosis and fertilization help ensure the survival of the
species by providing each generation with the same number of - *
chromosomes
body cells (somatic)
gametes (sex cells)
offspring
Answer:
providing same number of chromosomes
Explanation:
each gamete has similar number of chromosomes which when fused during fertilization provide the same number of chromosomes
Hull fouling is a(n) _______ introduction of nonnative species. a. unintentional b. intentional c. unimportant d. land-based please select the best answer from the choices provided a b c d
Hull fouling is an (a). unintentional introduction of nonnative species
Meaning of Hull foulingHull fouling can be defined as an unintentional act that transport species from one place to another by water vessels.
Hull fouling also mean the attachment of species to a water vessel which leads to an unknowing transportation of such species
In conclusion, Hull fouling is an unintentional introduction of nonnative species
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Answer:
a. unintentional
Explanation:
trust nerds
Human Impact on Earth Lab Report
Instructions: In the Human Impact Lab, you task will be to assist the Global Protection Agency to decrease the effects of human impact on Earth. Record your observations in the lab report below. You will submit your completed report.
Name and Title:
Include your name, instructor's name, date, and name of lab.
Data:
Record the data in the table below for each of the locations.
Location Timeline Human Impact Measurements Recommendation to Decrease Human Impact
New York City
Water Pollution
(in parts per million) 50 years ago
Present Day
Future Development Impact
Amazon Rainforest
Levels of CO2
(in parts per million) 50 years ago
Present Day
Future Development Impact
Sahara Desert
Loss of land by Erosion (in meters) 50 years ago
Present Day
Future Development Impact
Explanation:
this is one question or one chapter can you please tell me the single question then I will answer
Why are stems so controversial
The stem cells are so controversial because it involves the destruction of the human embryo as well as its life for just research purposes only.
What are Stem cells?Stem cells may be defined as cells that are totipotent and pluripotent in nature and have the prospect to mature into many diverse types of cells in the body.
Embryonic stem cells are the type that is considered most unethical and controversial. The stem cell debate is the contemplation of the moralities of research involving the maturation and use of human embryos for only research methodologies.
Destruction of such important life for our own benefit or research purposes makes the podium controversial.
Therefore, it is well described above.
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Plant cells are different from animal cells in this way:
Answer:
C . Cell wall and Chloropylast is correct answer
Explanation:
Because plants don't move so they have cell walls and chloroplasts but human cell moves so they don't need cell wall
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[tex]\red:\implies[/tex] Cell Wall ; Chloroplasts➥ Plants are autotrophic organisms which manufacture their own food. Plant cells have chlorophyll containing chloroplasts which are involved in the process of photosynthesis. A plant cell is surrounded by cellulosic cell wall which is dead at maturity. Chloroplasts and cellulosic cell wall are characteristics of plant cells only.
Compare the origins of the external and internal iliac arteries of the fetal pig with those of the human.
The comparison between the origins of the external and internal iliac arteries of the fetal pig with those of the human are as explained below.
What are the origins of the arteries?In a human beings, it is well known that it is the aorta that undergoes division to form two common iliac arteries which give rise to external and internal iliac arteries.
However, In the pig it is different as the aorta undergoes division to form the external iliac artery while the internal iliac artery branches out from the aorta independent of that division
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Which of the following is TRUE about the role of organisms in biogeochemical cycles?
A. Materials follow a cyclic path in the ecosystem.
B. The end part of every food chain is decomposers.
C. Primary consumers take more energy than Secondary consumers
D. Biotic factors bring back the essential materials to the environment through respiration or decomposition.
Answer:
C.
Explanation:
C. Primary consumers take more energy than Secondary consumers
1
4. How does energy move through your ecosystem? Think about the producers (plants)
and how energy moves from producers to other organisms. (3 points)
I
CE
Explanation:
There are several different factors that control the primary productivity of energy and biomass flow. Energy flow is the amount of energy that moves through a food chain. The energy input, or energy that enters the ecosystem, is measured in Joules or calories. Accordingly, the energy flow is also called calorific flow.
Why have plants been implicated in the devonian glaciations and not in the proterozoic glaciations?
The reason why plants have been implicated in the devonian glaciations and not in the proterozoic glaciations is; Land plants had not yet evolved during the Proterozoic.
Why have plants been dying?The Devonian glaciation occurred in south America and caused a global narrowing of the warm climatic belts, sharp regression, increased clastic sedimentation.
Meanwhile, the Proterozoic glaciation occurred near sea level in low palaeolatitudes. Thus, we can say that the reasons why plants have been implicated in the devonian glaciations and not in the proterozoic glaciations is because land plants had not yet evolved during the Proterozoic.
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What format is typically followed with
a hypothesis?
A. a long explanation
B. a question
C. if, then statement
Wang
Answer:
C.
Explanation:
A hypothesis is always in the form of an if, then statement.
Dihybrid crosses
Black coat color is dominant over white coat color in guinea pigs. in addition to coat color, rough coat is dominant over smooth coat.
a. in a punnett square, demonstrate a cross between a homozygous black/homozygous rough with homozygous white/homozygous smooth. Describe the genotype and phenotype as fractions
Answer:100% black with rough for both phenotype and genotype;4/4,1
Explanation:
so if a black coat and rough coat are dominant and a guinea pig that is a purebred(homozygous)black coat with rough coat and a homozygous white coat with smooth coat breed the dominant allele will show up for both so as a result since the black coat and rough coat are dominant the result will be 100% black with rough coat.
_____provides a visual tool to show any health related traits that were passed down through generations
The visual tool that is used to show any health related traits that were passed down through generations is; Pedigree Chart
What is a pedigree chart?There are different means to try to medically check some historical genetics from one generation to another.
However, in this case of a visual tool, the only one we can use is called a pedigree chart. This is because a pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation.
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the growth of a plant in size is regulated by a plant hormone. explain
Abscisic acid
Abscisic acid serves as an antagonist to Gibberellic acid. It is also known as the stress hormone as it helps by increasing the plant-tolerance to various types of stress.
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Plant hormones, also known as phytohormones, regulate growth by influencing cell division, elongation, differentiation, and various physiological responses in plants. These hormones include auxins, gibberellins, cytokinins, abscisic acid, and ethylene.
Plants regulate their growth in size through the action of plant hormones, also known as phytohormones. These are chemical messengers produced by various parts of the plant, such as the roots, stems, leaves, and flowers.
There are several types of plant hormones, each with specific roles in growth regulation:
Auxins: These hormones are responsible for cell elongation and differentiation. They promote growth by increasing the flexibility of cell walls, allowing cells to elongate. Auxins are also involved in tropisms, which are growth responses to external stimuli like light (phototropism) or gravity (gravitropism).
Cytokinins: Cytokinins promote cell division and growth in areas such as roots, shoots, and fruits. They play a role in controlling the balance between shoot and root growth.
Gibberellins: Gibberellins are involved in stem elongation, seed germination, and flowering. They stimulate cell division and elongation, leading to increased plant height and size.
Abscisic Acid (ABA): ABA is often called the "stress hormone" because it regulates responses to stress conditions like drought, cold, and salinity. during adverse conditions.
Ethylene: Ethylene is a gas that regulates fruit ripening, senescence (aging), and responses to mechanical stress. It plays a role in processes like leaf abscission (shedding) and root growth inhibition.
Thus, plant hormones, also called phytohormones, control growth in plants by affecting cell division, elongation, differentiation, and a variety of physiological responses.
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if an insect eats the lettuce seedlings in your yard, it is acting most like a(n):
If an insect eats the lettuce seedlings in your yard, it is acting like an herbivore.
What is an herbivore?An herbivore is an organism that obtains its energy and nutrients to survive by eating plants.
Herbivores are fundamental in the food web and help to control the number of primary producers in the ecosystem.
In conclusion, If an insect eats the lettuce seedlings in your yard, it is acting like an herbivore.
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Thapsigargin is a potent calcium atpase pump inhibitors. What state of the myogram would be affected immediately?
The fact that Thapsigargin is a potent calcium atpase pump inhibitor means that the phase that will see immediate effects is the Relaxation period.
Why does the Relaxation period get immediately affected?Calcium ATPase pumps help the muscles to relax after contraction which means that Thapsigargin prevents this from happening.
It's effect will therefore be immediately felt in the relaxation period as muscles will be unable to relax.
Options for this question are:
a. Latent period
b. Contraction period
c. Relaxation period
d. All myogram stages are affected
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Mutations are random changes to the structure of a gene. the likelihood of a mutation occurring can increase if a cell is
when mutations in a gene alter the sequence of amino acids,
can be
altered.
reset
next
Mutations are random changes to the structure of a gene. the likelihood of a mutation occurring can increase if a cell is when mutations in a gene alter the sequence of amino acids, can be altered.
What occurs whilst a random mutation occurs?What is generally known as "random mutation" does now no longer in truth arise in a mathematically random pattern. The procedure of genetic mutation is extraordinarily complex, with more than one pathways, concerning multiple systems. Current studies indicates maximum spontaneous mutations arise as mistakes withinside the restore procedure for broken DNA.
These outside sellers of genetic alternatives are known as mutagens. Exposure to mutagens frequently reasons changes withinside the molecular shape of nucleotides, in the long run inflicting substitutions, insertions, and deletions withinside the DNA sequence.
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