Answer:
D
Explanation:
How many bones are in a horses skeleton
205 bones i believe is your answer
An adult horse's skeleton typically has around 205 bones. The horse's endoskeleton, like humans', includes an axial and appendicular skeleton, supporting the body and allowing for movement.
The average adult horse skeleton contains approximately 205 bones, though this number can vary slightly due to individual differences such as the presence of additional ribs or the fusion of certain bones. Horses, like humans, have an endoskeleton that serves multiple functions, including providing structural support, enabling movement, protecting internal organs, and serving as a reservoir for minerals.
Identical in its overall function to the human skeletal system, the horse's skeletal system is also divided into two main parts: the axial skeleton and the appendicular skeleton. The evolutionary history of horses shows a significant change in the structure of their limb bones and teeth, which has been documented through fossil evidence over a period of approximately 57 million years.
if a grape were placed in a hypertonic solution what would happen and why?
if a grape was put in hypertonic solution, water will move down the concentration gradient from high concentration (in the grape) to low concentration (the solution), causing it to shrink.
Hope ths helps
Why are mitochondria important
Known as the “powerhouse of the cell” they are primarily responsible for converting the air we breathe and the food we eat into energy that our cells can use to grow, divide and function. ... Mitochondria produce energy by turning glucose and oxygen into a chemical called ATP.
they store calcium ions, helping cells maintain the right concentration of these electrically charged particles involved in blood clotting, muscle contraction and other important tasks. Mitochondria make the iron compound that allows red blood cells to ferry oxygen to the body's tissues.
Why do particles in a colloid remain dispersed through out the mixture
Colloids are mixtures in which one or more substances are dispersed as relatively large solid particles or liquid droplets throughout a solid, liquid, or gaseous medium. The particles of a colloid remain dispersed and do not settle due to gravity, and they are often electrically charged.
Particles in a colloid remain dispersed due to their intermediate size and possible electric charges that prevent settling. The Tyndall effect, caused by light scattering, is a signature characteristic of colloids. Factors such as size and surface adsorption of ions or molecules contribute to the stability of these particles in a mixture.
Explanation:The question asks: Why do particles in a colloid remain dispersed throughout the mixture? A colloid is a special type of heterogeneous mixture where dispersed particles are spread evenly throughout the dispersion medium, which can be a solid, liquid, or gas. The particles in a colloid are of an intermediate size, larger than those found in a solution but smaller than those in a suspension, which prevents them from settling out upon standing.
The stability and dispersion of colloidal particles can be attributed to several factors. First, colloidal particles are large enough to scatter light, an effect known as the Tyndall effect. This scatters incoming light beams, making the colloidal mixture appear cloudy or opaque. Secondly, many colloidal particles acquire an electric charge when dispersed in a solution; like charges repel, thus keeping the particles from agglomerating and settling. Some colloids are stabilized by the adsorption of ions or molecules onto their surface, which can prevent the particles from coming close enough to coalesce or settle.
Examples include clouds, which are composed of water droplets of colloidal size, and milk, where dehydrated milk powder disperses spontaneously in water to form colloidal systems. In both examples, the colloidal particles remain dispersed and do not settle out due to their size and interactions at the molecular level. Colloidal particles can also be manipulated through an electrolytic cell, where they move towards an electrode carrying an opposite charge, leading to neutralization and coagulation as precipitates if conditions allow.
Analisa conducted an experiment to determine if watching different types of commercials would affect a person's pulse. Her hypothesis was that pulse rate would change with different types of commercials. Each person watched seven different commercials, averaging 30 seconds each. Each person's pulse was taken before the commercial and then after each commercial. Based on her experiment Analisa concluded that a person's pulse rate changed when the person watched different types of commercials. Which component is missing from Analisa's experiment? A. a question B. a hypothesis C. a control group D. a description of the experiment
im pretty sure the answer would be C, control group. not 100% sure
Answer: C. a control group
Explanation:
A control group is the group which is used in an experiment. It is kept as a standard or benchmark for the comparison of the changes that occur in an experimental variables.
In the given experiment no control group is used. That is all the seven groups were exposed to different types of commercial there was no group which was not exposed any of the commercial. Hence, the validity of the experiment is doubtful.
How could coevolution lead to mimicry?
Answer:
Co-evolution would cause mimicry in case where there is probability of an species to survive just by mimicking the co-evolving species
Explanation:
Co evolution causes simultaneous evolution of organisms that are intimitate ecologically. For example – all organism that exhibit prey and predator are influenced by each other’s evolution and hence it is said that they co-evolve.
For instance –
Parasites such as cuckoos and cowbirds mimic their hosts. These parasites have evolved to produce eggs that are similar in appearance to that of host birds so that the predators could not distinguish between the two different types of egg.
Thus co-evolution would cause mimicry in case where there is probability of an species to survive just by mimicking the co-evolving species
Mimicry is the art of resembling between one organism and another. Mimicry may evolve between different species.
Mimicry is an evolutionary trait that is seen in birds, butterflies, and insects. Coevolution may lead to adaptation of the same properties. Mimicry can be visual, tactile, and acoustic. Maybe advantageous for both organisms to share the same pattern that provides them a selective advantage. A mimicry like that in stick insect that is endemic to the Australian eucalyptus tree can help it protect itself from predators and hence coevolve.Hence the coevolution can lead to mimicry and coexistence also known as mutualism.
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Which biological process would then utilize this dissolved carbon dioxide?
The cells did not have enough oxygen, so they used fermentation as a source of energy.
The biological process that utilizes dissolved carbon dioxide is photosynthesis, where autotrophs convert carbon dioxide and water into glucose and oxygen. Dissolved carbon dioxide can also be transported in the blood, converting to bicarbonate to help maintain pH levels in the body.
Explanation:The biological process that utilizes dissolved carbon dioxide is primarily photosynthesis. Photosynthesis is carried out by autotrophs, organisms that can make their own food, such as plants and some bacteria. They convert light energy, usually from the sun, into chemical energy in the form of glucose. During this process, autotrophs use carbon dioxide and water to produce glucose and oxygen. This carbon dioxide can be directly from the atmosphere or in its dissolved form in water. When carbon dioxide is dissolved in water, it can react to become bicarbonate and hydrogen ions, which can also be utilized in the process.
Another reference in the biological carbon cycle is that carbon dioxide dissolves in the blood and is transported away from the tissues. This dissolved carbon dioxide can be converted into bicarbonate, which acts as a buffer in the blood and helps maintain the pH levels in our body. This process, known as carbon dioxide transport, is vital for the functioning of various biological systems in animals, including humans.
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the different populations that interact with each other in the same are form a
Consists of organisms of the same species that live in the same area and interact with one another.
Neurons are classified into three types according to the ______________
______ the impulse travels.
Name the three types of neurons classified according to the direction in which the impulse is being transmitted. Define or explain each of them. Sensory neurons, also called afferent neurons, transmit impulses to the spinal cord and brain from all areas of the body.
Which compound is released by photosynthesis and used in aerobic respiration
ATP
-Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. -While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.
What is a chemosynthetic organism?
Chemosynthetic organisms, or chemoautotrophs, are autotrophs that synthesize their own food using energy from inorganic molecules, vital for ecosystems where sunlight is absent, such as deep-sea vents. They play a key role in their environments by being primary producers, necessary for the survival of diverse communities in extreme conditions.
A chemosynthetic organism, also known as a chemoautotroph, is an organism that can synthesize its own food using energy derived from inorganic molecules rather than sunlight, which is used by photosynthetic organisms. Unlike their photosynthetic counterparts, chemosynthetic organisms thrive in environments where sunlight is not available, such as in the deep sea, around hydrothermal vents. Here, they utilize inorganic molecules, such as hydrogen sulfide or methane, as an energy source to produce organic compounds necessary for their survival.
These organisms are crucial for the ecosystems they inhabit as they form the basis of the food web in those regions. Deep-sea hydrothermal vents, for example, host diverse communities that rely on the organic compounds produced by chemosynthetic bacteria. Without these autotrophs, the unique ecosystems of deep-sea vents and other similar environments would not exist, highlighting the critical role of chemosynthesis in enabling life in extreme conditions.
Both photosynthetic and chemosynthetic organisms are classified as autotrophs, which are essential for all ecosystems. They serve as primaries producers, converting inorganic carbon into organic matter that becomes the foundation for the sustenance of other organisms in the ecosystem.
which of these is most likely to result if biodiversity is lost in an ecosystem
increased ecosystem stability
decreased ecosystem resilience
increased artificial selection
decreased species richness
If biodiversity is lost in an ecosystem, it will lead to decrease in ecosystem resilience. Biodiversity loss is a major concern now. With the extinction of many species, ecosystem might collapse. Removing a single species can result in a partial collapse of the ecosystem. For example: honey bee colony collapse situation. Without honey bees, humans would struggle or fail to grow certain important crops. With more loss of biodiversity it may become hard for our very survival also.
Answer:
a loss of natural food sources
Explanation:
what function do plants have in the forest in the carbon cycle
Take in carbon and make glucose, starch, cellulose, and other carbs.
The _____ is usually a good choice to represent a whole data set as a single number.
A. mean
B. mode
C. range
D. median
Answer:The answer is c
Explanation: The mean is usually a good choice to represent a whole data set as a single number.
Mean is derived by adding a whole data and dividing the data by the number of points. It can also be referred to as the average that is used to derive the central tendency of data. It also measures the central tendency in a data set. It can be called an average.
If a corn cell had 18 chromosomes would it be a gamete or somatic?
A corn cell with 18 chromosomes would not typical for gametes or somatic cells as the gamete would have 10 chromosomes, and somatic cells would have 20. The condition might be due to chromosomal abnormalities or polyploidy. Mitosis is essential for cell growth, replacement, and genetic consistency.
When considering whether a corn cell with 18 chromosomes is a gamete or somatic cell, it's important to know the diploid number of chromosomes for corn. For corn (Zea mays), the diploid number (2n) is 20, meaning somatic cells have 20 chromosomes organized in pairs, with one from each parent. Since gametes have half the number of chromosomes compared to somatic cells—making them haploid (n)—a corn gamete would have 10 chromosomes.
Referring to the reference information, a corn cell with 18 chromosomes would neither be a typical gamete nor a typical somatic cell, as it does not correspond with the normal haploid or diploid number for corn. However, it could occur in cases of polyploidy or other chromosomal abnormalities.
If a bean sperm cell is a gamete, then it would have half the chromosomal number of its corresponding somatic cell. Since somatic cells of beans have 22 chromosomes, a bean sperm cell would have 11 chromosomes. Furthermore, as the endosperm in corn is triploid (3n), resulting from the fusion of a sperm cell with two polar nuclei, a corn seed's endosperm would have 30 chromosomes (3 times the number of chromosomes in a corn gamete, which is 10).
Lastly, cells undergo mitosis to grow or replace cells, maintain genetic consistency across somatic cells, and allow asexual reproduction in certain organisms. This process is vital to the development and maintenance of multicellular organisms.
which of these is a density-dependent factor
A. wind
B.flood
C. fire
D. space
Answer: D. space
Explanation:
The density dependent factor is the one which affects the population of a species in an area with respect to the density of the population. That is more the size of the population or more density more will be the effect of the factor. The examples of density dependent factors include food, disease, predation, space, migration and others.
Among the options given, space is the correct, this is due to the fact that the population may experience lack of space with the increase in the size of the population.
Density-dependent factors are environmental factors that affect a population's size and growth rate based on the density or number of individuals in a given area. The correct answer is D. space.
A density-dependent factor is an environmental factor that influences population dynamics based on the density of individuals within a given area. One such factor is space availability. As a population grows, the demand for space increases and individuals must compete for limited resources and territory. This competition can lead to increased stress, reduced reproductive success, and higher mortality rates, ultimately influencing the population's growth rate.
Limited space can restrict the establishment of new individuals, restrict movement, and limit access to crucial resources like food, shelter, and breeding sites.
Therefore, space availability acts as a density-dependent factor, regulating population size and growth based on the number of individuals within a given space. The correct answer is D. space.
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I’m a population when the birth rate becomes higher than the death rate the population growth rate
Population Growth Rate Increases
Explanation
I’m a population when the birth rate becomes higher than the death rate the population growth rate also increases. It is understood that if the death rate is less which means that less number of people die and more is the birth rate. As a result, the population growth increases which may result in a shortage of food, water and many other important resources which are essential for human life. Along with this increase in population means more need for other sources as per every individual's requirement.
Uranium-235 undergoes nuclear fission as shown in the diagram below.
which element does X represent?
A) 95 Kr
36
B) 96 Kr
36
C) 97 Kr
36
D) 98 Kr
36
answer is A
youre welcome
Answer
A) 95 Kr
36
Explanation
The process by which a large nucleus split into two smaller nuclei is called nuclear fission and occurs after the nucleus has absorbed a neutron that is a product of the radioactive decay of another atom. The formed fission fragments are unstable and extremely radioactive.
brian is talking about evolution with a friend the friend says its just a theory so i dont believe it when they prove it and it becomes the law of evolution then maybe ill change my mind which of these possible replies best describes scientific principles or the work of scientist?
God created the Earth.
He should be wary of science because it is based on research and evidence, not bias and opinion
Does ADP have stored chemical energy usable for the cell??
ADP does not have stored chemical energy usable for the cell.
ADENOSINE TRIPHOSPHATE (ATP)
ATP is a biological molecule that stores and releases chemical energy for use by living cells. Adenosine triphosphate (ATP) stores energy in the phosphoanhydride bonds that holds each phosphate group of the ATP molecule together. Energy is released for use when a phosphate group is released from the ATP molecule to form an ADP molecule. This means that ADP does not store energy. Therefore, ADP does not have stored chemical energy usable for the cell but rather ATP does.Learn more at: https://brainly.com/question/20704487?referrer=searchResults
what is the capital of mexico
the capital of mexico is mexico city hope this helps
Mexico City
The capital of Mexico is Mexico City which is situated in the valley of Mexico. Mexico City is the oldest capital in the Americas and it is considered as the most populated area in Mexico. Mexico City was selected as the location of the Federal Government of Mexico in 1824. Then it was called Federal District but the name was changed to Mexico City on January 29, 2016.
PLEASE HELP! EASY HEALTH QUESTION!!
A ________ is made up of organs working together.
Answer:
system
Explanation:
Answer: A system is made up of organs working together.
1.Give the abbreviations of the elements that make up Carbohydrates
2.Name the monomer for Carbohydrates
3.Name the main function of Carbohydrates in living organisms
4.Name a specific Carbohydrate (that is different from lesson or submitted by other 5.students) and include a picture of this Carbohydrate
Answer:
1. A carbohydrate is a biomolecule made up of carbon, hydrogen, and oxygen which generally have an empirical formula [tex]C_{m}(H_{2}O)_{n}[/tex] where m and n may differ.
Thus, the elements are carbon (C), hydrogen (H), and oxygen (O).
2. Monomer is defined as a molecule which bonds with identical molecule to form a chain or polymer.
Different monomer units such as glucose, fructose, galactose, and xylose are used to form different types of polymers or polysaccharides such as amylose, cellulose, glycogen et cetera.
3. The main function of carbohydrate in living organism is to provide energy.
4. Let us take an example of sucrose. It is a disaccharide formed by two monomer units glucose and fructose. The structure is shown in the figure below.
The suns heat reaches earth by what means
A.) conduction
B.) convection
C.) insulation
D.) radiation
Answer D) Radiation
Answer comes from diagram shown in question
Answer: radiation
Explanation:
(05.02 MC)
The diagram below shows a marine food chain with the amount of energy available to each trophic level in parentheses. Why does the amount of energy decrease as you move up the chain?
A pyramid showing the marine food chain indicating the amount of energy available to each trophic level. At the top of the pyramid, level 5 shows Tuna at an energy level of 0.5. Trophic level 4 has Mackerel at an energy level of 5, trophic level 3 has herring at an energy level of 50, followed by trophic level 2 with zooplankton at an energy level of 500 and phytoplankton at the bottom with an energy level of 2500.
A: Decomposers are using up the energy between each trophic level.
B: Individual organisms at the upper trophic levels require less energy to survive than those at the lower ones.
C: Producers use most of the energy before it can reach the upper levels.
D: Some energy is lost as heat or not consumed by organisms at the next trophic level.
i believe the answer is B comment if i was right or not
Answer:
D: Some energy is lost as heat or not consumed by organisms at the next trophic level.
Explanation:
As you can see from the diagram, the energy in a food chain is passed in a unidirectional way, starting with producers, passing through consumers and ending between decomposers.
The amount of energy becomes smaller and smaller as the trophic level rises, as a result, the higher trophic levels have less energy. This is because the transfer of energy from the lowest to the highest trophic level causes a loss of energy in the form of heat, in addition, often the energy is not consumed by the organism of the next trophic.
What is represented by a pair of lower case letters such as tt in a punnets square?
A. A heterozygous pair of genes
B. A pair of recessive genes
C. A dihybrid pair of genes
D. A pair of dominant genes
b.
IF it was two upper case like TT then itd be dominant
A pair of recessive genes is represented by a pair of lower case letters such as tt in a punnets square. The correct option is B.
Thus, In a Punnett square, two lowercase letters like "tt" often stand in for two recessive genes.
Lowercase letters in genetics often stand in for recessive alleles while uppercase letters signify dominant alleles. When two lowercase letters appear together in a Punnett square, it means that both alleles for that particular gene are recessive.
This indicates that in order for a person to have the trait linked to a recessive gene, they would need to inherit two copies of the recessive allele (one from each parent).
Thus, A pair of recessive genes is represented by a pair of lower case letters such as tt in a punnet square. The correct option is B.
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what is the highest mountain in north america,how high is it?
the highest mountain in north america is denali, which is in alaska. it is 20,310 feet high.
What type of stress occurs when plates move apart?
Tensional Stress Happens When The Two Plates Are Moving Away From Each other
Hope That Helps!
How does the ocean help lessen the effect of global warming?
a. it absorbs a lot of carbon.
b.it is home to diverse ecosystems.
c. it has regular tides that cool the earth.
d. it routinely erodes shores covering more land with water.
what is the term biology mean ?
Biology is the study of living organisms (animals, plants, humans, bacteria, the like) and is divided into numerous different fields of science; behavior, anatomy (the bodily structure of living organisms), morphology (the study of the forms of living organisms), origin, distribution, and physiology (normal functions and activities of living organisms and their parts).
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