Rain Forest (:
(Novanet)
The correct answer is rain forest.
The tropical rainforest refers to a forest of tall trees in the warm regions of the planet. An average of 50 to 260 inches of rain falls annually. Rainforests come under the tropical wet climate group.
Rainforests cover about 6 percent of the Earth's land surface. The tropical rainforests generate about 40 percent of the Earth's oxygen. The rainforests are biomes that comprise of various communities within them. A community refers to a naturally taking place group of local animals, plants, and other species, which are associating in a specific habitat.
which action can both humans and flatworms do?
a. form images from sensory signals
b. see the shape of an approaching predator
c. smell fresh food
d. communicate verbally
An action that can both humans and flatworms do is, to smell fresh foods.
What do you mean by Flatworms?Flatworms may be defined as an organism that belongs to the phylum Platyhelminthes and possesses soft-bodied invertebrate usually much-flattened acoelomate.
The sensory receptors of flatworms are not much developed due to a lack of spinal nerves. They are not able to communicate verbally as well.
Therefore, an action that can both humans and flatworms do is, to smell fresh foods.
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if a zygote has 4 chromosomes,the somatic cells formed from it have how many chromosomes?
If a zygote has 4 chromosomes, The somatic cells formed from it have how many chromosomes 4.
What are chromosomes?When a cell is not dividing, chromosomes cannot be seen in the nucleus, not even under a microscope. However, during cell division, the DNA that makes up chromosomes gets more compactly packed and becomes visible under a microscope.
The majority of what scientists understand about chromosomes comes from studying them during cell division.
The centromere, a point of constriction on each chromosome, separates the chromosome into its two "arms." The "p arm" refers to the chromosome's short arm. The "q arm" refers to the long arm of the chromosome. Each chromosome has a centromere.
Therefore, If a zygote has 4 chromosomes, The somatic cells formed from it have how many chromosomes 4.
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In which 3 organs does a plant store its starch in?
Answer:
The starch in non-photosynthetic tissues, such as seeds, stems, roots or tubers, is generally stored for longer periods and regarded as storage starch.
When scientists take genes from one organism and combine it with another organism it is called _______________.
Question 8 options:
A) gene control
B) selective breeding
C) genetic engineering
D) Double helix
Answer:
im pretty sure its gene control
Explanation:
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What is a common issue with both tidal power and OTEC?
Maintenance costs due to salt water corrosion
Necessary temperature differences in the water
Having to construct a dam
All of the above
The answer should be the first option
Maintenance costs due to salt water corrosion
Changes in a DNA sequence that affect genetic information are known as
A)expressions.B)hybridizations.C)intercalations.D)mutations.
Answer:
Mutations ( usatestprep )
What is the main function of environmental policy? a. prevent the use of natural resources b. reduce human impact on the environment c. prevent nature from having a harmful effect on humans d. reduce the use of natural resources Please select the best answer from the choices provided
The correct answer is option B
The main agenda of environmental policy is to reduce the impact of human activities on environment. Human activities can adversely effect the environment.
This policy makes sure that there must be a healthy interaction between the environment and human beings.
It has some policy that has to be maintained by the human beings to reduce its effect on environment.
The main function of environmental policy is to reduce human impact on the environment by regulating activities that affect natural resources and ecosystems.
Explanation:The main function of environmental policy is b. reduce human impact on the environment. Environmental policies are developed and implemented by governments and organizations to protect natural ecosystems, manage natural resources sustainably, and mitigate the negative effects of human activities on the environment.
These policies can include regulations on pollution, conservation efforts for wilderness areas and fresh water supplies, managing fossil fuel reserves, and reducing atmospheric carbon dioxide to combat climate change.
The rationale behind such policies is to ensure a balance between economic development and environmental protection, thus safeguarding the planet for current and future generations.
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The structure of an atom is best described as:
1. neutrons in orbit about a nucleus of protons bound to electrons.
2. electrons and neutrons in orbit about a nucleus of protons
3. protons and neutrons in orbit about a nucleus of electrons .
4. electrons in orbit about a nucleus of protons and neutrons
Answer: Option (4) is the correct answer.
Explanation:
An atom consists of three types of sub-atomic particles which are electrons, protons, and neutrons.
Protons have a positive charge and neutrons have no charge. Whereas electrons have a negative charge.
Protons and neutrons are placed inside the nucleus of an atom. On the other hand, electrons revolve around the nucleus of the atom.
Thus, we can conclude that the structure of an atom is best described as electrons in orbit about a nucleus of protons and neutrons.
You come to work one morning to discover the electricity has gone off in the refrigerator in the laboratory. This refrigerator houses the reagents needed to perform the laboratory tests and you have a full day of patients scheduled.
1. How will you proceed?
2. Is there a way to determine whether or not the reagents are still acceptable? Why or why not?
3. How could this have been prevented?
Which statement is true of Y chromosomes?
Answer: Only men have them
Explanation: just got it right on A p E x
Which factor can increase the potential energy of an object?
Decrease in speed
Decrease in density
Increase in temperature
Increase in height from the ground
An unlabeled hierarchical diagram of various astronomical bodies is shown below. The labels A, B, C, and D can be used to represent the Milky Way, Earth, universe, sun, and solar system.
Part 1: Which four astronomical bodies would you choose to represent the four labels in the diagram?
Part 2: Which astronomical body, other than the ones given, could also represent the label D?
Please Explain all your Work
At which temperature does the motion of atoms and molecules stop?
0°C
0 C
0°K
0 K
Answer:0 K
Explanation:
The motion of atoms and molecules stops at 0 K (zero Kelvin), which is the last option, as at this temperature, all matter would have zero entropy and no heat energy. However, it is impossible to actually reach absolute zero in reality.
what is 0 kelvin?The temperature at which the motion of atoms and molecules stops is known as absolute zero. It is equivalent to 0 kelvin (0 K), -273.15 degrees Celsius (-273.15 °C), or -459.67 degrees Fahrenheit (-459.67 °F). At absolute zero, atoms and molecules have no thermal energy, and they stop vibrating or moving. However, achieving absolute zero is practically impossible because it requires the complete elimination of all forms of energy, including all internal energy and the energy of motion. Scientists have been able to achieve temperatures very close to absolute zero, but not precisely at it.
Hence, the motion of atoms and molecules stops at 0 K (zero Kelvin), which is the last option, as at this temperature, all matter would have zero entropy and no heat energy. However, it is impossible to actually reach absolute zero in reality.
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How is carbon dioxide added to the atmosphere?
What would happen to seasonal temperatures if the tilt of the earth was less?
Answer: When the Earth is tilted toward the sun the Northern Hemisphere is in the warm season and when the Earth is tilted away from the sun the Northern Hemisphere is in the cool season. ... There would no longer be season as we know them. The temperature and precipitation pattern would not vary much.
Explanation:
Two atoms are isotopes of the same element. Which of the following should be the same for these two atoms? A. The number of molecules B. The number of protons C. The number of neutrons D. The number of electrons
The answer is option B. The number of protons
If two atoms are isotopes of the same element then the number of protons in those two atoms must be same but the number of neutrons must not be same. If number of neutrons of an atom vary but number of protons in them are same then it simply means that they both are isotopes of a particular element. As we know that every atom has a nucleus which has protons and neutrons and due to these protons and neutrons an atom has weight. Apart from that, an atom has electrons too but they are outside the nucleus. Electrons are extremely light in weight so they do not contribute towards weight but they have a great role in chemical reactions. During chemical reactions, it is electron which directly participates, while proton and neutrons do not take part or move during chemical reactions. Also, in a neutral atom number of protons is equal to number of electrons but when an atom becomes negatively or positively charged, it can gain or loose electrons so electrons have tendency to vary. That is why we cannot consider electrons to be always same for isotopes of an element. It is clear that for an isotope, the number of electrons and neutrons will vary but the number of protons will always be fixed.
Isotopes of an element are atoms of the same element with the same number of protons but different numbers of neutrons. So, the number of protons in the atoms right answer.
Explanation:The correct answer for this question is B. The number of protons should be the same for two atoms to be considered isotopes of the same element. Isotopes are different forms of the same element that have the same number of protons, but a different number of neutrons. This means that they are in fact the same element, as the number of protons in an atom determines what type of element it is. Regardless of whether an isotope is radioactive or stable, it will still have the same number of protons as the original element. The number of electrons or molecules do not determine isotopic identity.
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Does anyone know these
5. How do bacteria contribute to an ecosystem? (1 point) Some bacteria reduce the number of parasites infesting organisms in an ecosystem. Some bacteria provide nutrients and raw materials for organisms in an ecosystem. Some bacteria are a primary food source for most of the consumers in an ecosystem. Some bacteria provide protection from viral infections for the organisms in an ecosystem. 6. Which of the following roles of bacteria is not a benefit to human bodies? (1 point) digesting food preventing diabetes making vitamins acting as a pathogen 7. Two ways bacteria cause disease is by using the cells of the organism they infect as food and by (1 point) making antibiotics. releasing toxins. releasing viruses. releasing disinfectants. 8. Antibiotics are often effective treatments for diseases caused by (1 point) bacteria. viruses. some bacteria and some viruses. all bacteria and all viruses. 9. What is one reason biologists have difficulty classifying proti
Bacteria contribute to ecosystems through nutrient cycles, symbiotic relationships, and reducing parasites. Some bacteria have beneficial roles in the human body, but others act as pathogens. Bacteria can cause diseases by using host cells as food and releasing toxins.
Explanation:Bacteria play important roles in ecosystems by contributing to nutrient cycles, providing food for consumers, and reducing the number of parasites in organisms. They can also form symbiotic relationships with other organisms, such as nitrogen-fixing bacteria living on the roots of legumes. However, some bacteria are pathogenic and can cause diseases in humans and other organisms.
In terms of the human body, bacteria can have both beneficial and harmful effects. Some bacteria aid in digestion, produce vitamins, and contribute to the development of the immune system. However, certain bacteria can act as pathogens and cause diseases.
Bacteria can cause diseases by using the cells of the organism they infect as food. They can also release toxins that harm the host organism. Antibiotics are often effective against diseases caused by bacteria, but not all antibiotics work against all types of bacteria.
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What is the range for the following set of measurements? 27°C, 12°C, 31°C, 19°C, 23°C, 11°C, 17°C
How does increased soil enrosion affect the fish population in a forest after wildfire
The clearance of forests causes great impact on both the environment and humans. These include loss of nutrients availability, soil erosion, flooding, water pollution, hotter and drier weather conditions, global warming, as well as reduction in biodiversity.
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which of these is a concern about the use of biotechnology
PLZ HELP SCIENCE HOW DID GENETIC ENIGINEERING HELP PPL WITH DIABETES
The lives of individuals with insulin-dependent diabetes have been improved by genetic engineering, which allows for the low-cost, large-scale production of human insulin, reducing allergic reactions and enhancing treatment effectiveness.
Genetic engineering has notably improved the lives of individuals with insulin-dependent diabetes through the development of recombinant DNA technology. This innovation allowed for the production of human insulin in E. coli bacteria, circumventing the previous reliance on pig insulin, which elicited allergic reactions in some patients due to slight differences in protein structure between human and pig insulin.
Since its initial development in 1978, the process has been refined to enable large-scale and low-cost production of human insulin. This advancement has made insulin therapy more accessible and reduced the risk of allergic reactions, thus improving the quality of life and treatment effectiveness for those managing their diabetes with insulin injections.
Evolution never occurs in a straight line. There are always branches and nodes that can be seen along the way. Based on the image, which two statements are true?
1)All organisms have had one common ancestor in the past.
2)Chimpanzees are more evolved than all other organisms.
3)Gorillas share an extinct ancestor with bonobos.
4)Humans and chimpanzees are equally evolved.
5)Orangutans are unrelated to gorillas or bonobos.
Ans.
In a evolutionary or phylogenetic tree, the nodes represent common ancestral species of the descendants, which are represented by the tips of branches, arising from the nodes.
According to the given evolutionary tree, all organisms are evolved from a common ancestor, represented by the last node, which was present about 13 million years ago. Hence, the option 1). is correct.
The second last node is showing a common ancestor to gorilla, chimpanzee, bonobo, and human, which was evolved to different species about 6 million years ago. Hence, the option 3). is correct.
Thus, the correct options are 'option (1). and option (2).'
All organisms have had one common ancestor in the past. This statement reflects the concept of universal common ancestry in evolutionary biology. Gorillas share an extinct ancestor with bonobos. This statement suggests that gorillas and bonobos, two different species of primates, share a common ancestor in their evolutionary history.
The correct option is 1 and 3.
Over vast periods of time, species diverged and branched off from this common ancestral lineage, leading to the diversity of life we see today. The branching or divergence of their lineages from this common ancestor resulted in the separate evolution of gorillas and bonobos as distinct species.
Evolution does not work on a linear scale where one species is more "evolved" than others. Each species has its own unique evolutionary history and adaptations. Chimpanzees are more closely related to humans than they are to some other organisms, but this does not imply a hierarchy of evolutionary advancement. Evolutionary history does not involve a concept of species being equally evolved. Humans and chimpanzees share a common ancestor but have followed different evolutionary paths, resulting in distinct species. Orangutans, gorillas, and bonobos are all primates and share a common ancestor further back in evolutionary history. They are related, but they belong to different branches of the primate family tree, with each species having its own evolutionary lineage.
Hence , 1 and 3 are the correct option
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Water harvesting, the collection of rainfall and run off for future use, has been practiced for thousands of years; but in some regions where it was previously used it has been forgotten. In countries facing huge problems with land erosion due to runoff, governments have been encouraging the implementation of this technique. The implementation is important for more than prevention of water erosion. What other benefit might water harvesting have in these areasscience
Answer:
To provide clean drinking water in areas where there is no ground water or it is contaminated.
Explanation:
Rainwater can be reused in a number of ways where with a rainwater catchment system it is entirely possible to reduce the use of drinking water as well as expenses, not to mention flood reduction, flooding, future water rationing, and still help the environment with that.
In addition to allowing the drinking water economy, rainwater capture is extremely important in places where water is contaminated or drought punishes almost the whole year and water scarcity ends up being frequent as is the case of countries like Africa for example.
A bar magnet is a permanent magnet, while an electromagnet is a temporary magnet. Why is an electromagnet temporary?
Answer:
The magnetic field of electromagnets depend on current
Explanation:
An electromagnet is a temporary magnet because it do no have any inbuilt source of magnetism. The electricity flowing through it produces magnetic force and as soon as this electric force is removed , the magnetic force also vanishes.
Thus, the magnetic field of electromagnet depends on the potential for an electric field.
Wherever there is electricity, there is a magnetic field, and wherever there is magnetism, there is potential for an electric field.
An object that possesses a magnetic field and exerts a type of magnetic force are called a magnet. Magnets can be temporary or permanent based on their properties.
The difference between the magnet is due to the current.
What are bar and electromagnet?The flow of an electric current produces an electromagnet, the electromagnet remains working only when the current is flowing, when the current is turned off, the electromagnet loses its properties.
The material, coiling and the amount of current determine the nature of the electromagnet. While bar magnets are small magnets used for attracting metallic objects.
Therefore, an electromagnetic field relies on the potential of an electric field.
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What is one criteria that must be met in order for an ecosystem to be stable
what is the path that a body follows as it travels around another body in space is
Answer:
The movement is called revolution when a body travels around another body in space.
Explanation:
The movement is called revolution when a body travels around another body in space. It is different from rotation which is a phenomenon where a body revolves around its own axis. For example, we can assume the motion of earth as revolution when it travels around the sun and completes one complete revolution in one year, on the other hand when it moves around its own axis the day and night transformation happens. We can also take the example of moon which revolves around the earth and many other planets which revolve around the sun. So it is very easy to understand the concept of revolution.
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What would happen if the concentration of H ions were higher inside the mitochondrion than outside the mitochondrion when the channel opened
Answer:
If the concentration of H ions were higher inside the mitochondrion than outside the mitochondrion then the H ions would move to outside the mitochondrion to equalize the pH of both inner and outer side through the opened channel.
In mitochondria H ions usually move from mitochondrial matrix to inner membrane of mitochondria by active transport. This generates an electrochemical gradient due to the low pH in the mitochondrial membrane than in matrix.
This gradient allows the H⁺ to flow back into the matrix through ATP synthase which generates energy in the form of ATP and equalize the pH both the side.
The tiles below show several organisms that can be found in a desert ecosystem. Arrange the organisms in order of energy transfer to create the most likely food chain.
plant
hawk
mouse
grasshopper
snake
Answer:
plant - grasshopper - mouse - snake - hawk
Explanation:
A food chain shows how energy is transferred from one organism to another in an ecosystem. Arrows point from one organism to the organism that eats it. Photosynthetic organisms, such as plants, are always at the bottom of a food chain. In a desert ecosystem, plants would be eaten by grasshoppers, grasshoppers would be eaten by mice, mice would be eaten by snakes, and snakes would be eaten by hawks. So, the most likely food chain would be:
plant → grasshopper → mouse → snake → hawk
Which of the following processes transfers carbon directly from sea organisms to seawater? Diffusion Evaporation Photosynthesis Respiration
Answer:
i thought it was evaporation lol
Explanation:
Please I need help with questions 73 and 74 and 75 and it’s very hard and I’m struggling with it and if you need to see the picture big then click on it and it will be big