PLS HELP!!!!
Can you describe a frogs metamorphosis, including whether it is complete or incomplete
Answers
Explanation:
Frog undergoes a complete metamorphosis. It includes the egg, tadpole, froglet and then adult frog stages. In complete metamorphosis the hatchling does not resemble the parent and changes as it grows to be an adult.
During metamorphosis the tadpole will develop back legs first, then front legs. Around 6 weeks of life the mouth starts to widen. Sometime around 10 weeks the froglet’s, as it is now called, eyes start to bulge out and the tail begins to shrink and eventually disappear. When the lungs finish developing the froglet makes it’s way onto the land and, Ta-da! It’s a frog!
Hope this helps!
Related Questions
the primary gustatory cortex processes information about ________ and is located in the ______.
Answers
The primary gustatory cortex processes information about taste and is located in the insula, which is a region of the cerebral cortex.
The insula is situated within the Sylvian fissure, which is a deep groove on the lateral surface of the brain. It is located between the temporal and parietal lobes.The primary gustatory cortex is also referred to as the taste cortex, and it plays an essential role in taste perception. This part of the brain is responsible for processing information about the taste of food and beverages that we consume, such as sweet, sour, salty, and bitter. Furthermore, the gustatory cortex integrates information from the taste buds on the tongue and other sensory receptors to provide us with a complete sensory experience.
When we consume food, the gustatory cortex is activated, and it sends signals to other regions of the brain, such as the limbic system, that are responsible for emotions and memory. This interaction between the gustatory cortex and other brain regions helps to explain why taste and smell can evoke powerful emotional responses and trigger memories.So, the primary gustatory cortex processes information about taste and is located in the insula, which is a region of the cerebral cortex.
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A lot is in the shape of a right triangle. The shorter leg measures 180 m. The hypotenuse is 60 m longer than the length of the longer leg. How long is the longer leg
Answers
According to the Pythagorean theorem, the longer leg of the right triangle measures 240 meters.
Let's denote the longer leg of the right triangle as 'x' meters.
According to the given information, the shorter leg measures 180 meters. So we have:
Shorter leg = 180 m
The hypotenuse is 60 meters longer than the length of the longer leg. Therefore, the hypotenuse can be represented as:
Hypotenuse = x + 60 m
According to the Pythagorean theorem, in a right triangle, the sum of the squares of the two legs is equal to the square of the hypotenuse. So we can write the equation as:
180² + x² = (x + 60)²
Simplifying the equation:
32400 + x² = x² + 120x + 3600
Rearranging and simplifying further:
32400 - 3600 = 120x
28800 = 120x
Dividing both sides by 120:
x = 240
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The question is -
A lot is in the shape of a right triangle. The shorter leg measures 180 m. The hypotenuse is 60 m longer than the length of the longer leg. How long is the longer leg?
Which of these events happens during G2 phase in the cell cycle?
A. The cell's DNA is checked for errors in replication.
B. The cell grows in size by adding cytoplasm and cell organelles.
C. All of a cell's chromosomes are copied when DNA replicates.
D. The nucleus of a cell divides into two identical nuclei.
Answers
Answer:
it's B.
Explanation:
The cell is getting ready to split so it has to get big enough to split well.
Answer:all of a cell's chromosomes are copied when DNA replicates
Explanation:)
what is the correct defination of eukaryotic organisms..expalin
Answers
I hope answer will be helpful for you
please mark answer is brilliant answer
Thank you
Frederick Griffith made a scientific discovery in 1928. Which best describes
the knowledge about genetics before 1928?
Answers
Answer:
Frederick Griffith's discovery on the theory of genetics is credited to his experiment on mice. He subjected them to different strains of pneumonia bacteria. He concluded that there is an unidentified force that leads to the formation of different strains from what the mice were subjected to. This leads to the discovery of DNA, the carrier of traits. Scientist before did not know how the trait is passed on not until Griffith's experiment.
Explanation:
how does the first and second law of thermodynamics play out in a real world? Use an example in your answer
Answers
Answer:
An ice cube melting
Explanation:
Ice needs to be maintained at a temperature below the freezing point of water to remain solid. On hot summer days, most people take ice from their freezer to cool off their drinks. While doing this, they (may or may not) witness the first and second laws of thermodynamics. (EX) someone might put an ice cube into a glass of something warm and then walk away without drinking it. Within an hour or two the ice has melted but the temperature of the drink has cooled. This is because the total amount of heat in the system has remained the same, but has just gravitated towards equilibrium, where both the former ice cube (now water) and the drink are the same temperature. This is, of course, not a completely closed system. The drink will eventually become warm again, because of the natural heat that is transferred glass and its contents.
Bases form _____ ions, while acids form _____ ions.
hydroxide; hydrogen
sodium; hydroxide
hydrogen; hydroxide
hydronium; sodium
Answers
Answer:
bases form hydroxyl ions while acids form hydrogen ions
What is the independent variable for this experiment?
Answers
Answer:
A.thats my answer.
Explanation:
Hope it help☺️
In which environment will decomposition occur the fastest?
A. The Arctic Ocean
B. Antarctica
C. The Sahara desert
D. The Amazon Rainforest
Answers
Decomposition will occur the fastest in Amazon rainforest.
What is decomposition?Decomposition is the process of breakdown of dead organic matter with the help of microorganisms like bacteria and fungi.Decomposition is necessary for the recycling of elements back into the ecosystem.The organisms resulting in decomposition are termed as decomposers. These require appropriate environmental conditions for decomposing.At low temperature such as in Antarctica, decomposers are less active thus reducing the rate of decomposition.Decomposers cannot survive in little or no water conditions such as in the Sahara desert. Decomposition increases with the increase in water availability.Decomposers also require oxygen to survive which is not available in deeper parts of the Arctic ocean. Therefore decomposition does not occur in low oxygen environment.With optimum water, temperature and oxygen available, rate of decomposition is also high in the Amazon rainforests.Learn more about decomposition here:
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Before the 1960s, most ecologists thought that the number of producers in an ecosystem was the only variable that limits the number of herbivores. The idea was that every level was regulated by the amount of food from the trophic level below it.
Answers
The complete question is as follows:
1. How did the green world hypothesis differ from this “bottom-up” view?
2. Imagine a simple food chain: Grass -> Grasshoppers -> Mice. If snakes that eat mice are added to the ecosystem, how would you redraw the food chain to represent this change?
3. After the snakes are added, would you expect the amount of grass to increase or decrease? Explain your reasoning.
Answer:
1. The green world hypothesis states that plants or producers are consumed in less quantity by herbivores due to predators and other conditions which is different from the hypothesis as it says the number of the herbivores are regulated by the organism above them in the food web instead of below.
2. before adding snake: Grass →Grasshoppers →Mice ( arrow towards predator)
After adding the sakes: Grass →Grasshoppers →Mice→Snakes. (as snakes eat mice so they will be added after mice)
3. The grasses will decrease as there would be fewer mice due to snakes and the number of grasshoppers will be high which leads to the decrease in the amount of grass.
Do you think the SARS-COV-2 pandemic is a question that population ecology can help solve? Explain.
Answers
Yes, I consider population ecology may result very useful to understand the zoonosis of this pandemic disease.
What is population ecology?Population ecology is a major branch of ecology aimed at full understanding of how populations may change in a given environment.
This subdiscipline (population ecology ) also analyzes the manner in which populations may interact with their surrounding environment, including human populations.
In conclusion, population ecology may result useful to understand the zoonosis of diseases.
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Which type of rock would likely be found within the dormant volcano?
х
A extrusive igneous
B. intrusive igneous
C metamorphic
D. sedimentary
Answers
Answer:
Extrusive igneous Rocks
what is the correct order of protein production?
1) ribosome
2) endoplasmic reticulum
3) secretory vesicles
4) golgy apparatus
a) 1,2,3,4
b) 2,4,3,1
c) 1,2,4,3
d) 3,2,4,1
Answers
Answer:
The correct order of protein production is:
c) 1,2,4,3
Ribosome: Protein synthesis begins in the ribosomes, which are located either in the cytoplasm or attached to the endoplasmic reticulum.
Endoplasmic Reticulum: After the initial stages of protein synthesis in the ribosomes, the newly synthesized protein is transported into the endoplasmic reticulum (ER) for further processing and modification.
Golgi Apparatus: The proteins synthesized in the ER undergo further processing and modifications in the Golgi apparatus. This includes sorting, packaging, and modifying the proteins to their final functional forms.
Secretory Vesicles: Once the proteins are properly processed and modified in the Golgi apparatus, they are packaged into secretory vesicles. These vesicles transport the proteins to their destination, such as the plasma membrane for secretion outside the cell.
Therefore, the correct order is 1, 2, 4, 3.
Answer:
The correct order of protein production is ribosome, endoplasmic reticulum, Golgi apparatus, and secretory vesicles. So the correct answer would be c) 1,2,4,3.
Many proteins destined for the endoplasmic reticulum, the Golgi apparatus, lysosomes, the plasma membrane, and secretion from the cell are synthesized on ribosomes that are bound to the membrane of the endoplasmic reticulum. The Golgi apparatus then distributes these proteins and lipids that it receives from the ER.
this answer i need pls ill mark brainliest
Answers
All - growth, exchange of gases, excretion, reproduction, and death (option d).
All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:
A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.
B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.
C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.
D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.
Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.
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When geneticists mutagenize cells with uv light in order to select mutants, they often keep the cells in the dark after the mutagenesis step. can you speculate on the reason for this
Answers
In order to prevent a process known as photo reactivation, the cells are kept in the dark when geneticists mutagenize cells with uv light in order to select mutants.
What do you understand by photo reactivation process?UV-inactivated organisms can regain their activity by repairing UV-induced damages in their DNA with the energy of near-UV light and the enzyme photolyase. Even though humans and other placental mammals do not appear to have a photoreactivation pathway, the photolyase gene has been maintained and may have evolved to play a role in the excision repair process. Photoreactivation appears to be the principal way for DNA damage repair in mature leaves. To eliminate CPDs photoproducts, the meristem may require both photoreactivation and excision repair. Because photoreactivation requires exposure to a sufficiently intense source of visible or UV-A light, little to no healing occurs under conventional laboratory illumination conditions.
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the processes of deletion, insertion, and substitution can alter genes in a skin cell. the altered genes will most likely be passed on to
Answers
Deletion, insertion, and substitution can alter genes in a skin cell, the altered genes will most likely be passed on to the next generation
The process of altering genes can happen due to deletion, insertion, and substitution. When any of these processes occur, it results in changes in the DNA sequence of the gene. The deletion process occurs when a certain nucleotide or a sequence of nucleotides is removed from the DNA strand, while insertion occurs when new nucleotides are added to the DNA sequence. Substitution, on the other hand, is the replacement of one nucleotide with another, and it can cause missense, nonsense, or silent mutations in the DNA sequence.
As a result of any of these processes, there may be alterations in the gene's function, leading to various consequences. The altered genes may then be passed on to the next generation through genetic transmission. This may result in inherited disorders or may have no noticeable effect on the offspring, depending on the type of gene involved. So therefore deletion, insertion, and substitution can alter genes in a skin cell, the altered genes will most likely be passed on to the next generation.
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A plant with variegated (two-colored) leaves was left in sunlight for several hours. Pieces of one of its leaves were then detached (removed) and tested for starch. The diagram below shows the results. Explain, as fully as you can, why the yellow region of the leaf had not produced starch.
Answers
The yellow region of the leaf as shown in the diagram had not produced starch because it does not contain chlorophyll pigment which is responsible for photosynthesis.
What is Photosynthesis?Photosynthesis is a process which is used by plants and other living organisms to convert light energy or sunlight into chemical energy in the form of chemical bonds present in carbohydrates (glucose) produced through it, through the process of cellular respiration, these carbohydrates can later be released to fuel the organism's activities with ATP (energy).
The variegated or the yellow part of the leaf of the plant as shown in the diagram does not contain chlorophyll pigment which is used to perform the process of photosynthesis in plants. Absence of chlorophyll pigment and photosynthesis in that region of the plant prevents the formation of starch in the yellow region of the plant.
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In the Lysozyme Activity portion of this exercise, lysozyme will be added to a microbial culture. Predict what you will observe in this activity if your culture is affected by the action of lysozyme O A decrease in absorbance will be observed over time, An increase in absorbance will be observed over time An increase in turbidity will be observed over time. A change in color will be visible in the tube
Answers
A decrease in absorbance will be observed over time," is the correct answer.
If the culture is affected by the action of lysozyme, a decrease in turbidity will be observed over time. Lysozyme is an enzyme that degrades the cell wall of bacteria, causing the cells to lyse or rupture. As a result, the number of intact bacterial cells in the culture will decrease, leading to a decrease in turbidity. The decrease in turbidity can be measured by a decrease in absorbance at a specific wavelength using a spectrophotometer. Therefore, option A, "A decrease in absorbance will be observed over time," is the correct answer.
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which of the following involves mitotic cell division.
a. production of a fertilized egg
b. sexual reproduction
c. asexual reproduction
d. production of gametes
Answers
What is the difference between chloroplast and mitochondria. URGENT. WILL MARK BRAINLIEST!
Answers
..When an early embryo or single egg divides into one or more separate embryos, itgives birth toA. nonidentical twinsB. identical twinsC. tripletsD. singles
Answers
If an embryo divides into two separate embryos, these embryos would be the saen, because they originated from the same cygote, which means they come from only one egg fertilized by only one spermatozoid.
As the embryos would be identical, then it would result in identical twins (B is the right answer).
What do the THREE components of Cell Theory state?
Answers
Answer:
The three components of the cell theory state that all living organisms are composed of one or more cells, the cell is the basic unit of structure function and organization. and all cells come from pre existing cells Hopefully this helps!
Answer:
Sample Response: The first component of the cell theory says that all living things are made of cells. The second component of the cell theory states that cells are the basic structure and function of living things. The last component of the cell theory says that cells come from other cells.
In pea plants, gree pea ponds (P) are dominant over yellow pods (p)
If two pea plants heterozygous for pod color (Pp) reproduced, what percentage of the offspring would be predicted to have yellow pods?
A. 50%
B. 100%
C. 75%
D. 0%
E. 25%
Answers
Coronary sinus Left pulmonary artery Left pulmonary veins Left ventricle Aortic arch Left atrium
Answers
The coronary sinus is a vein that carries oxygen-depleted blood from the heart's muscles back to the right atrium of the heart.
What are the others definitions?The left pulmonary artery carries oxygen-poor blood from the right ventricle of the heart to the left lung. The left pulmonary veins carry oxygen-rich blood from the left lung to the left atrium of the heart.
The left ventricle is one of the four chambers of the heart and is responsible for pumping oxygenated blood out to the body through the aorta.
The aortic arch is a part of the aorta, which is the main artery that carries oxygenated blood away from the heart to the rest of the body.
Lastly, The left atrium is one of the four chambers of the heart and receives oxygenated blood from the lungs through the left and right pulmonary veins.
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See full question below
Explain the terms
Coronary sinus Left pulmonary artery Left pulmonary veins Left ventricle Aortic arch Left atrium
Easy 50 Points
21. ____________ igneous rocks solidify beneath the surface.
22. ____________ cooling allows time for large crystals to form.
23. Sediments are laid down, or __________, before they can be formed into sedimentary rocks.
24. Fluids that crystallize in the spaces between the loose particles of sediments create rock by ____________.
25. __________ metamorphism changes enormous quantities of rock over a wide area.
26. ____________ metamorphism changes a rock that is in contact with magma because of the extreme heat.
27. In a metamorphic, minerals separate by __________ into lighter and darker bands.
28. The rocks that form from an erupting volcano are __________ __________ rocks.
29. Cemented sediments become ___________ sedimentary rocks.
30. ___________ occurs when sediments are squeezed together by the weight of overlying sediments on top of them.
Answers
Answer:
21. Intrusive igneous rocks solidify beneath the surface.
22. Slow cooling allows time for large crystals to form.
23. Sediments are laid down, or Compacted, before they can be formed into sedimentary rocks.
24. Fluids that crystallize in the spaces between the loose particles of sediments create rock by Cementation.
25. Regional metamorphism changes enormous quantities of rock over a wide area.
26. Contact metamorphism changes a rock that is in contact with magma because of the extreme heat.
27. In a metamorphic, minerals separate by Bedding into lighter and darker bands.
28. The rocks that form from an erupting volcano are Extrusive Igneous rocks.
29. Cemented sediments become Clastic sedimentary rocks.
30. Lithification occurs when sediments are squeezed together by the weight of overlying sediments on top of them.
The correct blanks are Intrusive, Slow, deposited, cementation, Regional, Contact, Foliation, volcanic, igneous, lithified, and Compaction.
Igneous rocks are a type of rock that forms from the solidification and crystallization of molten material, known as magma or lava.
Intrusive igneous rocks, also known as plutonic rocks, form when molten magma cools and solidifies beneath the Earth's surface.When molten magma or lava cools slowly, it provides sufficient time for the atoms and molecules within the molten material to arrange themselves in an orderly manner. The process of deposition refers to the settling or accumulation of sediments, which are fragments of rocks, minerals, organic matter, or other particles, onto a surface.Cementation is a process in which minerals in fluid form, often dissolved in groundwater, precipitate and crystallize within the pore spaces of sedimentary materials. During regional metamorphism, large volumes of rock are subjected to significant heat and pressure, typically deep within the Earth's crust. Contact metamorphism, also known as thermal metamorphism, occurs when a rock comes into direct contact with magma or an igneous intrusion.Foliation refers to the parallel alignment of minerals or the development of compositional layering within a metamorphic rock. Volcanic igneous rocks are classified as extrusive igneous rocks because they are formed from lava that has extruded onto the surface.The process of lithification involves the transformation of loose sediments into solid sedimentary rocks.Compaction is a key process in the lithification of sedimentary rocks. It takes place as layers of sediment accumulate over time, and the weight of the overlying sediments exerts pressure on the underlying layers.Thus, the correct blanks are Intrusive, Slow, deposited, cementation, Regional, Contact, Foliation, volcanic igneous, lithified, and Compaction.
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Define these types of relationships (symbiosis).
a. mutualism -
b. commensalism-
c. parasitism -
d. predator/prey -
e. competition -
Answers
Answer:
mutualism -Both species benefit
commensalism- One species lives with, on, or in another species (the host). The host species neither benefits nor is harmed from the relationship. The species that lives on the host is benefited.
parasitism - One species (the parasite) lives with, on, or in a host species, at the expense of the host species. Unlike in predation, the host is not immediately killed by the parasite, though it may sicken and die over time.
predator/prey -One species (the predator) hunts and kills another species (the prey)
competition -The struggle among organisms for the same limited resources in an ecosystem
Explanation:
please help! 15 points
8.What is the other product produced in this image besides oxygen?
9. What will happen to the amount of oxygen if the amount of sun increases?
Answers
Answer:
8. Glucose (C6H12O6)
9. The plant will synthesize more, thus increase the amount of oxygen until a limiting factor prohibits the plant from synthesizing that much oxygen.
Explanation:
Glucose is the other product produced in this image besides oxygen.
What are the functions of glucose?Glucose is the main type of sugar in the blood and is the major source of energy for the body's cells. Glucose comes from the foods we eat or the body can make it from other substances. Glucose is carried to the cells through the bloodstream.
Glucose monosaccharides (not as part of starch) are also found naturally in some foods. The most concentrated whole food source of glucose monosaccharides is honey, followed by dried fruits such as dates, apricots, raisins, currants, cranberries, prunes and figs.
Glucose consists of three elements such as carbon, hydrogen and oxygen. 6 carbon atoms bonded together as a chain with additional atoms of oxygen and hydrogen.
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Apuk’we, the common cattail is a versatile native edible plant for the Ojibwe people of Minnesota. They are important to the ecosystem for many reasons. They help stabilize marshy borders of lakes and ponds, help protect shorelines from wave erosion, providing spawning areas for northern pike, provide cover and nesting sites for waterfowl and marsh birds such as the red-winged blackbird, are a food source for muskrats and beavers, and humans, too. However, where native cattails once stood, now there is a vast lawn of nonnative narrow-leaved cattails or their hybrid offspring. These new cattails are taking over wetlands once populated by the native cattails, decreasing the biodiversity in these areas.
What kind of ecological relationship exists between the native and nonnative species of cattails in the Minnesota wetlands?
A) commensalism
B) competition
C) mutualism
D) predation
Answers
Answer:
B) Competition
Explanation:
The native and non-native cattails are competing for the area.
Answer:
Predation
Explanation:
The way the question is worded, gives me the effect that the nonnative species of cattails predated the native species and ultimately, lowered their numbers.
I was torn between competition or predation, but it cannot be competition due to the effect it's having on the native species. In competition, there's obvious tension between the two, though in this scenario, the species is just lowered completely. There's a chance it could be competition though, I'm not really understanding the wording of the scenario given; that's just me though.
So, ultimately, it's predation.
Many cells make and use an enzyme, called catalase, to facilitate the decomposition of hydrogen peroxide (H2O2). The products of the decomposition are hydrogen (H2) and oxygen (O2).
Which of these changes to the cell would cause the greatest reduction in the activity of catalase?
A. a decrease in the concentration of hydrogen and oxygen
B. an increase in the concentration of hydrogen peroxide
C. an increase or decrease in pH beyond normal range
D. a return of pH to the normal range
Answers
The changes to the cell would cause the greatest reduction in the activity of catalase will causes an increase in the concentration of hydrogen peroxide. Hence option B is correct.
What is catalyst ?A catalyst is a substance that enables a chemical reaction to occur under novel conditions or generally at a higher rate. When a decomposition reaction takes place with the help of a catalyst, it is called catalytic decomposition. Pathways that are distinct from uncatalyzed processes are made possible by catalysts. There is less activation energy in these routes.
The enzyme that catalyzes the breakdown of hydrogen peroxide is called catalase. Almost all living things, including us, have catalase! Like many others, this enzyme helps a chemical break down into another. Catalase converts hydrogen peroxide into water and oxygen.
Thus, the changes to the cell would cause the greatest reduction in the activity of catalase will causes an increase in the concentration of hydrogen peroxide. Hence option B is correct.
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If you came back to the original island in 50 years, what should you expect to see? (What type of birds will live on the island?) Would your bird “beak” survive?
Answers
The kinds of birds that would be present on the original island in 50 years would be determined by a variety of factors, including shifts in the ecology, patterns of migration, and species adaptations.
How did the average depth of the beak change over time?The new generation of offspring had an average beak depth of 9.7 mm. The size of the beak remained highly variable, but it had increased on average. Size of the beak had changed.
Why did the finches need to develop new beaks to continue living?Finches evolved on the Galápagos Islands in response to a variety of food sources. While broad, blunt beaks are best suited for cracking seeds and nuts, long, pointed beaks worked well for snatching insects.
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