Answer:i would be very scared
Explanation:
Yellow fever is a viral disease of typically short duration. In most cases, symptoms include fever, chills, loss of appetite, nausea, muscle pains particularly in the back, and headaches.Symptoms typically improve within five days.In about 15 percent of people, within a day of improving the fever comes back, abdominal pain occurs, and liver damage begins causing yellow skin. If this occurs, the risk of bleeding and kidney problems is increased.
In 2013, yellow fever resulted in about 127,000 severe infections and 45,000 deaths, with nearly 90 percent of these occurring in African nations. Nearly a billion people live in an area of the world where the disease is common. It is common in tropical areas of the continents of South America and Africa, but not in Asia.Since the 1980s, the number of cases of yellow fever has been increasing. This is believed to be due to fewer people being immune, more people living in cities, people moving frequently, and changing climate increasing the habitat for mosquitoes. The disease originated in Africa and spread to South America with the slave trade in the 17th century. Since the 17th century, several major outbreaks of the disease have occurred in the Americas, Africa, and Europe. In the 18th and 19th centuries, yellow fever was seen as one of the most dangerous infectious diseases.In 1927 yellow fever virus became the first human virus to be isolated.
Which statement concerning an organism produced by cloning is correct
Explanation:
The clone is genetically identical to its parent. What statement concerning an organism produced by cloning is correct? A student saw a number of threadlike nuclear structures which are primarily composed of it .Plants with desirable qualities can be rapidly produced from the cells of a single plant by
The clone being genetically identical to its parent is correct about an organism produced.
What is Cloning?
Cloning is a technique scientists use to make exact genetic copies of living things.
In an ecosystem, organisms such as bacteria produce exact copies of themselves in which the clone is usually genetically identical to its parent.
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Design an experiment to compare heart and breathing rates pre- and post-exercise students that do and do not regularly participate in a sport. What do predict will be the result and why?
Someone who doesn’t participate regularly is more likely to have issues with breathing and heart rate than a person whos a little more conditioned . why ? because there body isn’t conditioned enough to regulate.
Both coral reefs and wetlands have been destroyed by
Answer:
human activity
Explanation:
The wetlands and the coral reefs have gradually been destroyed by the humans and their activity. The wetlands were the first to be under the human influence and getting destroyed, while the coral reefs have come to have similar destiny in the last century. The reasons for the destruction are different. The wetlands have in general been destroyed on purpose, be it because they were epicenter of diseases, for making more land for agriculture, or making more land for settlements. The coral reefs have not been destroyed on purpose, but the human activity has resulted in lot of pollution of the ocean waters, as well as changes in the climate, and the fragile corals can not adapt quickly enough to these changes, so they die out quickly.
Think about a carbon atom that is released into the atmosphere from burning wood in a campfire. If it were to go through the whole carbon cycle, number the steps that would follow.
Answer:
Step 1: A tree absorbs the carbon from the atmosphere into its leaves for photosynthesis.
Step 2: A caterpillar gets the carbon by eating the tree's leaves.
Step 3: A bird gets the carbon by eating the caterpillar.
Step 4: The bird flies into a building and dies instantly. It falls to the ground.
Step 5: The bird decomposes and the carbon returns to the atmosphere.
When a hypothesis is proven wrong, scientists often begin by revising the..
After that, it's common for scientists to redesign the...
Answer: thesis
Explanation: hypothesis
Organisms in an ecosystem must either produce their own energy or receive energy from other organisms. The biological interaction in which one organism hunts, kills, and eats another organism for energy is known as _______. A. commensalism B. predation C. mutualism
Answer: B. predation
Explanation: The biological interaction in which one organism (the predator) hunts, kills, and eats another organism (the prey) for energy is known as predation.
Describe a food chain for a temperate forest community that contains at least four links. Use the following organisms: grizzly bears, oak trees, mice, squirrels, deer, robins, foxes, mushrooms, grass plants, and grasshoppers. Identify the level of each organism in the food chain.
Answer:
Producer:Oak trees , grass plants ,
Primary consumer: Mice, grasshoppers ,
Secondary consumer:Squirrells(depending on they eat), robbins
Third consumer:deer , foxes, grizzly bears.
Decomposer:Mushrooms
Answer:
Oak trees, grass plants are Producers.
Grasshoppers, deer, mice, and squirrels are Primary consumers, they are eating producers.
Foxes, robins are Secondary consumers, they are eating primary consumers(depending on their nature)
Grizzly bears are Tertiary consumers, they are eating secondary consumers (like snakes)
Mushrooms are decomposer (which decompose, organic material such as remains of dead material)
Clara is vacationing in Austria. Which currency will she use to pay for breakfast in her hotel's restaurant?
A.
yen
B.
euro
C.
kroner
Your answer is B. Euro
B. Euro
Austria is a member of the European Union (EU), which shares the same currency, the Euro. Plus, I know from experience. I’ve stayed in a hotel in Austria before.
Which characteristic do Venus and Earth share?
same direction of rotation
similar size, mass, and density
slow revolution period around the Sun
atmosphere composed only of carbon dioxide
Answer: Second option is correct.
Explanation:
Earth and Venus has similar size, mass and density.
Both have a very similar composition,
But atmosphere of Venus is composed only of carbon dioxide is not similar to Earth.
Venus has slowest revolution period around the sun.
So, Only characteristics which are similar to Earth.
Hence, Second option is correct.
When a supergiant explodes a _ occurs
Answer:
supernova
Explanation:
this can cause more stars to form
hope this helps :)
An allogenic skin graft allows a person with a burn to receive skin from a donor. Patients are often given drugs to suppress their immune system. Why would a patient need to be given these drugs?
Answer:
To lower the risk of graft rejection
Explanation:
Allogenic skin grafting is a process in which skin grafting is done between two persons who are not genetically Identical. As the immune system will be active against the skin graft. There is high risk that the receiver's body will treat it as foreign object and will try to reject it or destroy. So the immune system of such patients is suppressed to limit the risk.
Answer:
A. The body would recognize the donor tissue as foreign material and would mount an immune response.
Explanation:
What is the evolutionary biology the study of
Evolutionary biology is the subfield of biology that studies the evolutionary processes that produced the diversity of life on Earth, starting from a single common ancestor.
Rising temperatures in the Arctic Ocean can lead to large die offs of phytoplankton which are autotrophs what would most likely happen in an arctic ecosystem if the phytoplankton population decreased
Answer:
C. The populations of all other organisms in the food web would decrease because there would be less energy.
Answer:
C. The populations of all other organisms in the food web would decrease because there would be less energy.
Explanation:
In the Arctic ecosystem, phytoplankton is producers which synthesise food with the help of sunlight. In this ecosystem, zooplankton and krill are primary consumers as they feed on phytoplankton.
Arctic cod and bowhead whale are secondary consumers which feed on primary consumers. In the arctic ecosystem, the temperature is rising which is killing the phytoplankton.
If the phytoplankton population decreased, then all the consumers in the food chain in this ecosystem would decrease due to lack of food.
A student conducts an experiment to see how music affects plant growth. The student obtains four identical plants. Each one is potted in the same type of soil and receives the same amount of sunlight and water each day. Plant A listens to classical music for three hours each day. Plant B listens to rock music for three hours each day. Plant C listens to country music for three hours each day. Plant D does not listen to any music at all.4. In the experiment described in the scenario, which group represents the control group?
Answer:
Plant D
Explanation:
The control group is the plant that receives no treatment by the researchers, and is used as a "growth marker" for the others.
Answer:
Plant D does not listen to any music at all.
Explanation:
Control group is a group in the experiment which does not receive any treatment. It is kept as a benchmark for comparision with other variables.
Plant D does not listen to any music at all is the correct option. As it is not treated with the experimental variable that is music.
Look at the sample of sedimentary rock to determine which fossil is the oldest.
A) 1
B) 2
C) 3
D) 5
Answer:
Option (D)- which is fossil 4, as given in the image
Explanation:
From the law of superposition of rocks, it is known that the rock layer forming the bottom of an undisturbed sedimentary sequence are the oldest rocks because they those sediments were first deposited there and due to compaction and lithification it formed a rock layer, and subsequently new sediments are deposited on top of it. The rocks that are found to be present at the apex portion of a rock sequence signifies the youngest rocks, where the recent sediments are deposited.
So the fossils present in the bottom layers will be oldest and those fossils that are present on the top rock layers are the youngest.
Thus, the fossil sample number 4 (trilobites), as given in the image is the oldest fossil.
Hence, the correct answer is option (D), which is fossil 4.
For my science experiment, my hypothesis is 'higher temperature will make bananas ripen faster'. How can I increase the temperature or where can I put a banana so that it will be in a place with a consistent higher temperature like in a fridge?
I recommend you do the following:
Find 2 bananas with the same ripeness. Put one in the fridge and the other one outside. Make sure u measure the temperatura of both places.Also write down the time they stay in respective places (the time should be the same).After following those steps you wont have the same doubts and the experiment would have worked better.
Important notes:
Make sure that the temperature in both the fridge and outside will not change. If the temperature changes it might affect the experiment.
When opening a fridge it causes a temperature loss in the fridge, and that is not something we want. So, instead of putting one in the fridge, you can find another place in the house that is cooler than the place where the other banana is set.
Hope it helped,
BiologiaMagister
To make bananas ripen faster, place them near a heat source such as a hot plate or oven on a low setting, ensuring the temperature is controlled and not too high. A consistent elevated temperature accelerates the ripening chemical reactions and ethylene production within bananas.
To test the hypothesis that 'higher temperature will make bananas ripen faster,' you should place your bananas in an environment where the temperature is consistently higher than room temperature. One way to do this is by using a hot plate, an oven set to a low temperature, or an incandescent light bulb to gently warm the area around the bananas. These appliances can provide a steady source of heat. However, you must ensure the temperature is not too high, as excessive heat can cook or damage the bananas. You should also utilize a thermometer to regularly check that the environment is consistently at the desired temperature.
The increase in temperature would speed up the ripening process due to the acceleration of the chemical reactions inside the banana, as ripening involves numerous reactions including the production of ethylene gas which acts as a ripening agent. Remember, the ideal temperature for ripening bananas is slightly above room temperature, but below temperatures that would cook the fruit.
if the experiment shows the original hypothesis is false the scientist
Answer:
The scientist must then include the findings and why the hypothesis was false. They the likely form a new hypothesis to test.
Explanation:
I apologize if this isn’t what was wanted, next time please provide the possible answers if it is multiple choice.
Answer:the scientist would either alter or change the hypothesis
Explanation:the scientific method is the process used by scientists to construct an accurate interpretation of things they observe in the world.
In the scientific method,first a phenomenon is observe by the scientist .then the scientist formulates an hypothesis to explain the observed phenomenal.thereafter experiments are carried out to test the hypothesis.if the experiment proves the hypothesis wrong ,it is either rejected or modified . experiments in scientific method is absolutely necessary.
The structure seta of the sporophyte performs
Answer:
Forms the supporting stalk.
Explanation:
Which matter exists in the plasma state?
A. star
B. chair
C. table salt
D. water vapor
Answer:
A. Star
Explanation:
The gas giant with the most moons is _.
Answer:
Jupiter
Explanation:
63 moons
hope this helps :)
!!!!!!!!!!!!!!!!!!!!!!!!Jupiter
Jupiter //36 moons
A megakaryocyte will eventually produce _______.
the answer is thrombocytes
Answer:
blood platelets (thrombocytes)
Explanation:
Megakaryocytes are one of the cells involved in the production process of the cellular elements that make up the blood, being located in the bone marrow, a place of intense hematopoietic activity. Megakaryocytes are giant polynucleated cells that give rise to blood platelets.
Platelets, also called thrombocytes, are involved in the clot formation process, a structure that blocks the cuts or ruptures that appear in blood vessels, preventing or blocking bleeding.
anna is working the study guide for her biology semester exam. The statement is made that ATP is required for ALL cellular functions. Anna is not sure this is true, so she starts generating a list of cellular processes she has studied this semester. She sorts them by processes that require ATP and those that do not. She concludes that while ATP is required for cellular processes requiring energy input, ATP is not a requirement of all cellular processes. Evaluate Anna’s list and her conclusion. Do you agree or disagree, why or why not?
Answer:
I agree with her.
Explanation:
ATP definitely is the most widely used high energy molecule - especially for cells. But, it is not absolutely necessary for some "passive" cellular mechanics. We can look at passive diffusion of cellular processes which may include; passive diffusion of water, or sugar molecular across a cellular membrane.
ATP is vital for energy-demanding cellular processes, like growth or movement, supporting its role as the 'energy currency for cells'. However, not every cellular process requires ATP. An example of this is passive transport, which typically functions along a concentration gradient, without the need for ATP.
Explanation:I agree with Anna’s conclusion. While ATP (adenosine triphosphate) is vital for many cellular processes, it is not required for all. ATP is known as the energy currency for cells. This means it is essential for energy-demanding processes, which include growth, movement, and active transport among others. During these processes, ATP is broken down, and a phosphate group or two are detached, supplying energy to the cell.
However, some cellular processes are non-energy demanding or have different mechanisms for acquiring the energy necessary. For instance, passive transport of materials across cell membranes occurs along a concentration gradient and does not typically require ATP. Hence, while ATP is incredibly important, and many cellular functions would be impossible without it, Anna is correct in her conclusion that it is not a requirement for every single cellular process.
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Leaves are part of a plant's shoot system. The
xylem tissue in leaves transports -
A the bacteria needed for nitrogen fixation in root
nodules
B the wax required to coat the surface of actively
growing tissue
Cthe water and minerals that are absorbed by the
roots
D the oxygen that regulates the rate of carbohy-
drate production
Answer:
C
Explanation:
Xylem only goes away from the roots and it transports the water and minerals that it absorbs
Xylem only goes away from the roots and it transports the water and minerals that it absorbs.
What is Xylem?One of the two different kinds of transport tissue found in vascular plants—the other being phloem—is xylem. In addition to carrying water from the roots to the stems and leaves, xylem also carries nutrients.
Although it is present throughout a plant, the best-known xylem tissue is wood. The word "xylem" is derived from the Ancient Greek word "v" (xylon), which means "wood."
The lengthy tracheary components that carry water are the xylem cells that are most easily recognized. The shape of the two differentiates them; vessel parts are shorter and joined together to form long tubes that are known as vessels.
Therefore, Xylem only goes away from the roots and it transports the water and minerals that it absorbs.
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cold weather can cause blood vessels near the surface of the skin to constrict or become narrower. what will happen as a result of these blood vessels constricting
Answer:
They allow less blood to flow through the skin and conserve the core body temperature.
Explanation:
Vasoconstriction happens when smooth muscles of blood vessels walls tighten making the blood vessels opening smaller.When blood vessels constrict less blood flows near the skin surface thus helps in conserving the body temperature. The human body maintains the temperature that enzymes work best at thus the vasoconstriction process has to take place to make sure that the body temperature is constant since enzymes work best at an optimum temperature.When blood vessels near the skin's surface constrict in cold weather, a process known as vasoconstriction, it helps conserve body heat by reducing heat loss. This physiological response is crucial for maintaining body temperature but can increase the risk of cold-related injuries such as frostbite, especially in extremities. Additionally, blood flow to the digestive system decreases as the body prioritizes heat preservation.
When cold weather causes blood vessels near the surface of the skin to constrict or become narrower, a process known as vasoconstriction, it significantly reduces blood flow close to the skin's surface. This reduction in blood flow serves an essential purpose: it minimizes heat loss from the body's surface. Through this mechanism, the body can conserve heat, especially around the vital organs, by redirecting blood flow away from the skin towards the core. This physiological response is crucial for maintaining body temperature in cold environments.
However, while this process is effective in preserving heat, it can also lead to some risks. Vasoconstriction in extreme conditions can increase the risk of cold-related injuries such as frostbite, particularly in extremities like fingers and toes, or on the nose and ears, where blood vessels are constricted most. Frostbite can cause tissue necrosis (tissue death), resulting from prolonged exposure to cold without adequate blood flow to keep the tissues warm.
Furthermore, the constriction of blood vessels leads to a decrease in blood flow to the digestive system. This is another example of the body prioritizing the preservation of heat over other functions that are less critical in cold conditions.
Which of the following correctly identifies the producers in the forest food web shown below
I'm not sure but I think the producers are the shrubs and the elm tree.
Based on the law of superposition, which layer of sedimentary rock is the oldest?
Layer D is the correct answer
Based on the laws of superposition, assuming the sediment or rock is undisturbed the youngest rock would be at the top and the oldest rock would be located at the bottom. If your'e unsure, you can look this up, the dictionary website is a great place to start.
Hope this helps :D
Based on the law of superposition, the layer of sedimentary rock that is the oldest is layer D. The correct option is D.
What is the law of superposition?The Law of superposition states that two or more stimuli in a linear system result in a net stimulus that is equal to the total of the individual reactions. The resulting displacement at a point equals the total of the two vectors when two waves of the same amplitude are present there, according to the principle of superposition for waves.
According to the laws of superposition, the youngest rock would be at the top and the oldest rock would be at the bottom if the sediment or rock were undisturbed.
The weathering process, in which rocks are broken down into sand and clay particles by the wind, water, and ice, is how sedimentary rocks are created.
Therefore, the correct option is D. layer D.
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Plants are classified according to their structures. The plant pictured below reproduces without seeds and has simple tubes for transporting water.
In which group of plants would this plant be classified?
A.spore producing plants with many leaves
B.plants that produce fruit on their leaves
C.plants that carry seeds in their leaves
D. Flowering plants with many leaves
Answer:
C
Explanation:
Based on the photo, you can see the small seeds on the leaves.
Plants can have various structures for reproduction and can be classified based on their reproductive modes as well as some other features.
The plants will be classified into the group that produces spores on their leaves.
What are the reproductive modes of plants?The plants are classified based on their transporting properties and reproductive methods. The plants that are capable of producing spores on their leaf structures are classified into the Pteridophyta.
Pteridophyta is also known as ferns and have a simple vascular system that contains tubes for the transport of fluids and food.
This type of plant lacks seeds and can not reproduce fruits and flowers instead they produce spores and are unique to them.
Therefore, option A is correct.
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What is the role and the Names of the organisms and if the organism is a consumer and is whether it is an herbivore, carnivore, or omnivore
Answer:names :1.tree(plant)
2.caterpillar
3.bird
Explanation:birds can be omnivores, herbivores.
Birds that eat both meat (mostly in the form of insects) and also eat plants in the form of fruits and berries etc are considered herbivores, the examplea of omnivores are chicken, Robins and ostriches
Birds that only eat fruits and berries etc are considered herbivores.
In the picture attached their is a Robin and feeding on a caterpillar,it is a omnivore.
The caterpillar in the picture is a herbivores as it feeds on leaves and plants
Consumers, or heterotrophs, are classified as herbivores, carnivores, or omnivores based on their diet. Examples include predators like lions, scavengers like vultures, and decomposers like fungi.
Consumers are organisms that depend on other organisms for food, and they are also known as heterotrophs. They can be classified into three main groups based on their diet:
Herbivores (e.g., deer, caterpillars) feed exclusively on plants and are considered primary consumers.Carnivores (e.g., lions, hawks) prey on other animals and can be secondary or tertiary consumers depending on whether they eat primary consumers or other carnivores.Omnivores (e.g., bears, humans) consume both plant and animal matter.Examples of different types of organisms include:
Predators: Lions that hunt and kill other animals for food.Scavengers: Vultures that feed on carrion, the decaying flesh of dead animals.Decomposers: Fungi that break down organic material, like dead trees, absorbing nutrients in the process.What event might occur when favorable adaptations build up in a population over many generations?
Answer:
speciation
Explanation:
Answer:
D. Speciation
Explanation:
i did it on edg. quiz
after walking through a field you find a tick attached to your leg. what is the tick relationship to you
A: predator
B: host
C: parasite
D: prey
A tick is a type of parasite.
Parasites will attach to humans or animals to live. The host (which is the human or animal the parasite attaches to) gets no benefits from the parasite. The host not getting benefits from the tick is what classifies it in the parasite group.
The answer would be parasite