Osmosis is the movement of water molecules from an area of high concentration of water to an area of low concentration of water across a semipermeable membrane. In osmosis, only the water molecules cross the membrane, leaving behind solutes such as salt.
Answer:
osmosis through a semipermeable membrane
Explanation:
I just took that quiz!
I guessed XD :v
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PLEASE PLEASE PLEASE HELP!!!!!!!A population has a small size, high level of genetic drift, and very little migration into the population. What will most likely happen to the genetic diversity in the population over time? A. Genetic diversity will increase because the existing alleles will mutate into new alleles. B. Genetic diversity will remain unchanged because genetic drift does not have much of an impact on small populations. C. Genetic diversity will remain unchanged because high levels of genetic drift offset low levels of gene flow. D. Genetic diversity will decrease because existing alleles will be lost and few new alleles will be introduced.
Answer:
D. Genetic diversity will decrease because existing alleles will be lost and few new alleles will be introduced.
Explanation:
Genetic drift is a very important factor that brings changes in gene pools over a period of time. Although genetic drift can happen in the population of any type or size but its effects are more evident in small populations.
So as mentioned in question that three conditions: population has a small size, high level of genetic drift, and very little migration into the population.
It means that in small population where genetic drift is high,alleles are either lost by a population or there will be only few alleles present at specific gene loci of population. This will cause decrease in genetic diversity specifically because of small size of population.
What happens that genetic drift causes random sampling in population like some reproduce while others not, for example see the population of butterflies in image. Genetic drift caused only blue ones to multiply and reproduce while others just could not reproduce, This lead to a population 2 with low genetic diversity that is quite evident.
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Answer: The answer is at the bottom hopes this helps have a nice day. :)
In general, did the simulated mice align with your predictions from the Punnett squares?
Yes or No?
Answer:
yes
Explanation:
Studies have revealed that the simulated mice were said to align with the predictions from the Punnett squares. So the answer is Yes.
What is Punnet Square?The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. The reason why some of the percentages did not exactly match your predicted results is that the Mice don't have a large litter, so the sample size was not large enough.
The diagram is used by biologists to determine the probability of an offspring having a particular genotype. The inherent assumption is that each trait is determined by a single gene locus, and that various traits assort independently of one another.
Though this is true for many useful traits, especially when choosing characters for plant or animal breeding, there are many exceptions.
This tool was created in the twentieth century, much after Mendel’s seminal experiments on genetics. However, they are now commonly used to explain the results that Mendel obtained, especially when combined with our current knowledge of DNA, genes, and chromosomes.
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Which term identifies proteins that allow muscles to shorten or lengthen? tissue enzymatic connective contractile
Answer:
Contractile
Explanation:
What is the most likely reason for using the following model?
The object is too small.
The object represents a set of data.
The object cannot be directly observed.
The object represents a prediction about the future.
Final answer:
Models are used when the object cannot be directly observed to represent a set of data or a prediction about the future. They simplify complex concepts or phenomena, making it easier to understand and analyze them.
Explanation:
The most likely reason for using a model when the object cannot be directly observed is that the model serves as a representation of the object. In this case, the object represents a set of data or a prediction about the future. Models are used to simplify complex concepts or phenomena, making it easier to understand and analyze them. For example, statistical models are used in weather forecasting to predict the likelihood of rain at a given time. Models are not always perfect, but they provide a useful tool for scientists to study and make predictions about the real world.
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What are the basic cell structures involved in diffusion???
What are plasmids? enzymes that cut DNA enzymes that bond genetic material together small rings of bacterial DNA simple organisms with only one chromosome
plasmids are small, extra chromosomal circular DNA that is distinct from cells chromosomal DNA. It is usually found in Bacteria.So, the answer is Small rings of bacterial DNA.
Tick sucking blood : parasite-host ::
a) deer eating shrubbery : consumer-carnivore
b) shrimp cleaning fish teeth : parasite-herbivore
c) orchid on a tree : producer-consumer
d) lion eating a zebra : predator-prey
If this is asking which is correct it would be d. :)
Shelia was abducted from a school football field, taken to a bank, and forced to withdraw money from an ATM machine. Afterward, she was left abandoned in a car at a local park. Which is the primary crime scene?
A) bank ATM
B) car
C) park
D) football field
Eliminate
Well that would start at where it happend at the football field>
The football field would be the primary crime scene because it is where it all started. The cause was she’s was abducted from the football field and all the effects happened after.
A channel that opens in response to the binding of a specific molecule, which is usually not the solute that
passes through the channel is called a ________.
The answer is ligand gated channels.
Ligand gated channels are also called as ionotropic receptors that open in response to the binding of specific ion, which is generally not solute. These are made up of particular set of transmembrane proteins that open and close to allow the movement of ions like K+, Na+ that passes through the plasma membrane in response to binding of the chemical messenger.
A channel that opens due to a specific patch list but doesn't inescapably transport that patch is known as aligand-gated channel, playing a vital part in whim-whams signal transmission.
A channel that opens in response to the list of a specific patch, which is generally not the solute that passes through the channel, is called aligand-gated channel. These channels are a type of ionotropic receptor because when the ligand, frequently a neurotransmitter in the nervous system, binds to the protein, ions can cross the membrane changing its charge. Ligand-gated ion channels are pivotal for the rapid-fire transmission of signals across the synaptic gap between neurons.
Alicia is developing a model of photosynthesis and respiration. Part of her model includes the inputs and outputs of each process. Which of these describes inputs and outputs of Alicia’s model? Choose the correct answer.
Water is an input for both respiration and for photosynthesis.
Oxygen is an output for both respiration and for photosynthesis.
Glucose is an input for respiration and an output for photosynthesis.
Carbon dioxide is an input for respiration and an output for photosynthesis.
Glucose is an input for respiration and an output for photosynthesis. Also, Water and Carbon Dioxide are inputs for photosynthesis whereas Oxygen is an output of it and an input for respiration.
Explanation:The correct answer is that glucose is an input for respiration and an output for photosynthesis. Furthermore, Water and Carbon Dioxide are inputs for the process of photosynthesis, while Oxygen is an output of photosynthesis and an input for respiration. The process of respiration uses glucose and oxygen to generate energy while releasing carbon dioxide and water as waste products. On the other hand, photosynthesis makes use of carbon dioxide and water to produce glucose and oxygen, with the latter being a byproduct. This wonderfully illustrates the cyclical relationship between photosynthesis and respiration in our ecosystem.
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Chemical reactions are the result of an atom attempting _____.
to reduce the number of electrons
to become electrically neutral
to rearrange its configuration to result in a complete outer shell or have a stable octet.
to become positively or negatively charged
Answer:
The answer is C
Fill in the blanks to complete each statement about the study of our atmosphere. is used to locate and track severe storms. is the study of the atmosphere, which includes weather forecasting. In addition to observing wind speed, wind direction, temperature, air pressure, and humidity, meteorologists observe .
Filling up the blanks in the question
Radar is used to locate and track storms Meteorology is the study of the atmosphere which includes weather forecasting Meteorologists observe cloudsMeteorology is a branch of atmospheric sciences that majors in the study of the atmospheric phenomenon ( i.e. weather and climate conditions ) of a geographical region.
Meteorology deals mostly with weather forecasting and the study of the clouds. Weather forecasting is very important in every geographic region because that way residents can be warned of an impending severe weather condition.
Hence we can conclude that the missing terms in your question are : Radar, meteorology and clouds
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Answer:
Radar
Meteorology
Clouds
Explanation:
What organelles is responsible for sorting proteins before they are sent to the body of the organism
Answer:
Ribosomes
Explanation:
Ribosomes are small round bodies that are found free in the cytoplasm or attached to the endoplasmic reticulum(a system of membrane lined sacs that forms channels throughout the cytoplasm).
Ribosomes are the sites for protein synthesis. So they sort the type and quantity of protein (enzymes) produced in the cytoplasm by the help of the Nucleus.
Peace.
Answer:Its the Golgi Apparatus
Explanation:
Please help! Urgent! Need answers ASAP!
Which tools do meteorologists use to collect data about the weather? Check all that apply. ( I chose A,C and D but my teacher said I was wrong)
-satellites
-weather fronts
-maps and charts
-weather balloons
-automated weather stations
2) What information does the National Weather Service produce? Check all that apply.
( I chose B,C,D and E but I got it wrong)
simple maps
newspaper maps
maps with isobars
maps with isotherms
weather service maps
3) What role does the Automated Surface Observing Systems (ASOS) play in weather forecasting?
It is a fleet of weather balloons.
It is a system of radar sensors used to track storms. (this option is wrong)
It is the nation's primary weather-observing network.
It provides weather reports much like the National Weather Service.
1. The following are used to collect weather data by meteorologists
Satellites – they use electromagnetic spectrum to determine weather elements and formation of stormsweather balloons – they are fitted with equipment such as barometer, hygrometers, and thermometers automated weather stations – these are smart weather stations that have weather equipment send real-time data to center meteorological departments2. National Weather Service produces;
maps with isobars – connect are of the same pressuremaps with isotherms – connects areas of same temperatures weather service maps – interactive maps that have detailed weather parameters that can be looked up based on location3. The answer is; It is the nation's primary weather-observing network.
ASOS is a program that amalgamates the Department of Defense (DOD), National Weather Service (NWS), and the Federal Aviation Administration (FAA) that work in synergy to support many other departments other than the meteorological. Other benefiting departments are climatology, hydrology, and aviation industries.
Answer:
I only know question 1
And I recently did a lesson on this
~satellites
~automated weather stations
~maps and charts
If you shine a white light through a blue filter, what colour of light beam will come out the other side?
Some people believe that humans have always existed as the species we see today. Darwin created the theory of evolution. Which observation bolsters the theory of evolution?
A) Humans have very diverse traits today.
B) There appear to be missing links in the evolutionary chain.
C) Life on earth has been found to date back billions of years.
D) DNA found in older primate fossils resemble those of humans today.
Answer is D and if im wrong choke me.
Answer:
The correct answer would be option D.
Humans have not always been existed as the way they are observed today.
They have also gone through the course of the evolution in which the evolution started from the primates.
The similarity between the genome of humans and primate fossils also supports the same.
During the course evolution, several traits like bipedalism, language et cetera develops gradually and ultimately, the Homo sapiens were evolved.
Anna looks around the skating rink and notices many examples of the movement of thermal energy. For example, she sees her friend holding a cup of hot chocolate in the cold rink. Thermal energy flows from
The thermal energy always flows from the hotter to the colder region.
In case of a hot drink such as the hot chocolate, the thermal energy of the drink present in the vessel is high, which makes the drink hotter. the thermal energy in this case flows from the drink to the environment, as it is in direct contact with the outside environment. the temperature difference between the drink and the environment creates an energy gradient, which make the energy flow from drink to environment.
Thermal energy flows from Anna's friend's hot chocolate to the cold air in the skating rink, as heat naturally moves from higher to lower temperatures.
Anna's observation exemplifies the Second Law of Thermodynamics, which states that heat spontaneously flows from hotter objects to colder ones. In this case, the hot chocolate serves as the hotter object due to its higher temperature compared to the chilly rink's air. Thermal energy transfer occurs through conduction, as the hot chocolate is in direct contact with the cup, and the cup is in contact with the air.
As heat is transferred, the hot chocolate cools down until it reaches thermal equilibrium with the surrounding environment. This common scenario highlights the ubiquitous nature of thermal energy movement and its adherence to fundamental thermodynamic principles.
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The complete question is:
Anna looks around the skating rink and notices many examples of the movement of thermal energy. For example, she sees her friend holding a cup of hot chocolate in the cold rink. Thermal energy flows from?
A dominant allele masked the effects of a recessive allele
True
False
Which of the following statements is true? Both plants and animals can make food. Chlorophyll is not needed for photosynthesis. Pollination could not occur without leaves. Female egg cells grow in the ovary.
Answer:
Female egg cells grow in the ovary.
Explanation:
If we talk about female reproductive system in animals or particularly humans, ovaries are basically the sites where female egg cells are produced. These egg cells are also termed as oocytes or ova. After the production, they are transferred to fallopian tubes where the sperm is also reached and ultimately fertilization occurs. Once the egg gets fertilized, it moves towards another site called uterus. The walls of the uterus get thicker and thicker due to production of specific hormones and help in supporting the baby. You can see attached image for better understanding.
Note: The female egg cells grow in ovary but here we specifically focussed on human females. The option is true for all animals.
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Which of the following statements is NOT consistent with evolution by natural selection? a. Natural selection can lead to speciation. b. Certain individuals in a population have a higher rate of reproductive success than other individuals due to a variety of environmental and developmental factors. c. Individuals change during their lifespans to fit their environment better, and these changes can be inherited by their offspring. d. Individuals that reproduce most successfully are more likely to have offspring that also reproduce successfully if the environment remains stable. e. Individuals in a population exhibit variation, some of which can be inherited by their offspring.
c. Individuals change during their lifespans to fit their environment better, and these changes can be inherited by their offspring.
The incorrect statement about evolution by natural selection is 'Individuals change during their lifetimes to fit their environment better, and these changes can be inherited by their offspring.' Rather, genetic variations present at birth can influence individuals' survival and reproduction success, driving evolution over generations.
Explanation:The statement that is NOT consistent with evolution by natural selection is: c. Individuals change during their lifespans to fit their environment better, and these changes can be inherited by their offspring. This proposition is incorrect because the premises of natural selection and evolution are grounded on the fact that the genetic constitution of an individual is set at birth and cannot alter to adapt during its lifetime. These genetic traits can be favorable or unfavorable for an individual's survival and reproduction, and this genetic variance can drive natural selection and evolution.
For instance, one can take Darwin's finches in Galápagos as an example. Over time, finches with different beak sizes survived based on the food availability. Finches with larger beak size were able to crack open larger seeds and thus survived when larger seeds were the only source of food, and the trait was passed on to their offspring. It's not that the finches changed their beak size during their lifetime to adapt better to the environment. Instead, those with the naturally occurring larger beak size were more successful in that particular environment.
In essence, evolution by natural selection involves three vital steps: variation in traits in a population, differential survival and reproduction due to the difference in traits, and the inheritance of these traits by the offspring. Remember, these traits are influenced by the genes an individual inherits at birth, and adaptations occur over generations, not within the lifespan of an individual.
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Sandstone, shown below, is one kind of rock that forms in horizontal layers. If a stack of rock layers has not been disturbed since it formed, the layers are toward the bottom and the layers are toward the top.
THE ANSWER IS
OLDER,YOUNGER
GIVING 25 or 50 POINTS!!!!!!
The graph shows that the world’s coal reserves are 1. disappearing 2. evenly distributed 3. not measurable 4. unevenly distributed. The higher coal reserves in Asia and Oceania are most likely the result of 1. consistent climate 2. geological processes 3. intense sunlight 4. surface runoff .
this is on plato
unevenly distributeted
geological processes
i no speak english but i stil help u ok?
nndiwo d ajdcnma mdskedm
kjd?
I. Mucous Cells II. Digestive system III. Molecules IV. Stomach V. Simple Columnar Epithelia The correct order would be:
III. Molecules, I. Mucous Cells, V. Simple Columnar Epithelia, IV. Stomach, II. Digestive System.
can someone help me with this biology please
let me help you :) im good at biology like i love it so much ;)
DNA in the nucleus unzips and mRNA forms a copy of the gene. It then moves out of the nucleus to the ribsome where is matches its codone to the anti codon of a tRNA molecule. The amino acid attached to the tRNA then bonds with other amino acids to form a polypetide strand forming a protein. What is the best description of the process described in the statements.
Dentify the interaction used to describe each type of interdependence among organisms. The red-billed oxpecker (a bird) eats ticks off the fur of an impala (a type of antelope). The oxpecker receives food and removes the ticks from the impala. Titan triggerfish move large rocks in the ocean to find food. In return, smaller fish are able to eat because the moved rocks expose food. The titan triggerfish are not affected.
The type of the interaction that defines the type of interdependent relationship among the given organism is as follows:
1. The red-billed oxpecker eating ticks off the fur of the impala shows mutualism. The oxpecker receives food by eating the ticks and the impala get rids of the ticks. Here, both the organisms are benefiting from their relationship, and hence, it is mutualism.
2. The titan triggerfish moves large rocks to find food, which in turn helps other smaller fishes to eat the exposed food. In this relationship, the smaller fishes are benefiting while the triggerfish is neither harmed or benefited. Hence, this shows commensalism.
Answer:
The correct answer is mutualism and commensalism.
Explanation:
An ecological relationship is the interaction of species or organisms living in an ecosystem depending on environmental conditions and food webs. This interaction could be inter-specific (between two species) or intra-specific (among same species).
According to the question, there are two cases of interaction which shows the following interaction:
1. The Oxpecker and Impala- an example of "mutualism" as both the bird and impala are benefited as bird receives food and ticks are removed from impala.
2. Titan Triggerfish and smaller fish- an example of "commensalism" as Tigerfish is not affected while small fishes get benefited by the movement of large fish.
Thus, mutualism and commensalism is the correct answer.
In regard to the estuary conservation strategy involving the removal of contaminated substrate, which of these statements are true?
Select all that apply.
A
It is one of the least expensive strategies for conserving estuaries.
B
It disturbs the biotic factors of the estuary floor.
C
It reduces contamination of the water and substrate of the estuary.
Answer: B. It disturbs the biotic factors of the estuary floor.
C. It reduces contamination of the water and substrate of the estuary.
Estuary is a partly enclosed water body which receives water from the streams of rivers and sea. An estuary is a wetland where freshwater river streams meets the ocean water. Therefore, estuary exhibit accumulation of brackish water.
Sedimentation of bed of estuary is caused when the rain, rivers and streams wash off the sediments from the land into the estuary. The sedimentation is speed up by the pollutants being discharged by the agricultural and industrial waste. The accumulation of sediments disturbs the aquatic life and if the sedimentation exceeds, the water in the estuary will dry and estuary will be converted into dryland.
The removal of sediments or contaminated substrate from the estuary can disturb the biotic factors as this measure will remove the plants already growing on the substrate. This may kill the aquatic animals as they may also come out of water along with the substrate.
The removal of contaminated substrate will reduce the contamination of the water. This will help in retaining the aesthetic quality of the region as water will appear clear rather dirty. It will also help to maintain the biodiversity of the estuary water as pollution free water will promote the growth of aquatic plants and animals.
how are bacteria and viruses similar? How are they different?
Differences Between Bacteria and Viruses. There are a number of differences between bacteria and viruses. Viruses, for example, are as much as 10 to 100 times smaller than bacteria. ... While the RNA and DNA of viruses are enclosed in the protein coat, in bacteria, the genetic material floats in the cytoplasm.
what does it mean when a part of the immune system does not function properly?
Our immune system is made up of special cells, tissues, and organs that work together to protect against foreign microbes. When a part of the immune system does not function properly, it might lead to a condition called low immune system. It is nothing but weakness in the body’s natural ability to fight against diseases. People with low immunity show frequent colds, more susceptibility to flu and more serious illnesses.
Which of the following statements about El Niño is true ?
El Niño and La Nia have an impact on land-based rainfall as well as ocean temperatures. This may result in either droughts or flooding, depending on which cycle happens (and when).
What is the cause of El Niño in an ecosystem?The Pacific jet stream shifts south and spreads farther east due to El Niño. This results in colder and drier circumstances in the North and wetter conditions than usual in the Southern United States during the winter.
El Niño has a significant impact on marine species off the Pacific coast as well. El Niño and its warm waters are typically tied to drought, while La Nia is connected to an increase in flooding.
Many species, especially seabirds and marine mammals, struggle to survive or reproduce when there is an El Niño event.
Therefore, Convection is accelerated by warm ocean surface temperatures, which increases rainfall.
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