The grassland biome is found on every continent except Antarctica, characterized by its open, flat terrain, and the dominance of grasses and other herbaceous plants.
What constitutes a grassland biome?Species: Bison, Prairie dog, Jackrabbit, Antelope, Coyote,
Population:
The populations of these species may vary depending on the location of the grassland, but in general, they might look something like this:
Bison - 500
Prairie dog - 1000
Jackrabbit - 3000
Antelope - 200
Coyote - 50
Community:
The grassland community is made up of the different populations of species that interact with each other in various ways. Some examples of these interactions are:
Predation: Coyotes hunt jackrabbits and bison.
Competition: Prairie dogs compete with bison for grass and other vegetation.
Mutualism: Antelope and bison both eat grass and help keep the grass short, which makes it easier for both species to graze.
Ecosystem:
The grassland ecosystem is made up of the community of species in the grassland, as well as the physical environment they live in. Some of the abiotic (non-living) factors that make up the grassland ecosystem are:
Soil: Grasslands have deep, rich soils that are well-suited to growing grasses and other vegetation.
Climate: Grasslands have a semi-arid climate, with hot summers and cold winters.
Water: Grasslands receive about 10-30 inches of rainfall per year, which is enough to support the growth of grasses and other vegetation.
Biome:
Some other characteristics of the grassland biome are:
Fires: Grasslands are adapted to frequent fires, which help keep trees and other woody plants from taking over the landscape.
Grazing: Large herbivores like bison and antelope help maintain the grassland ecosystem by grazing on the grasses and other vegetation.
Biodiversity: Although grasslands are often seen as less diverse than other biomes like forests or coral reefs, they are actually home to a wide variety of plant and animal species.
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An astronaut is planning a trip to a newly-discovered planet according to the law of universal gravitation, the astronaut weight in the new planet will be greater than his weight on earth if:
The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.
Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.
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What structure is found in prokaryotic cells but not eukaryotic cells?
a. a single, circular DNA chromosome found in the cytoplasm
b. a chromosome that contains many histones
c. a chromosome found within a membrane-bound nucleus
d. a shorter, condensed chromosome in the nucleus
What structure is found in prokaryotic cells but not eukaryotic cells?
a. a single, circular DNA chromosome found in the cytoplasm
because :
Prokaryotic cells may also contain extrachromosomal DNA, or DNA that is not part of the chromosome. This extrachromosomal DNA is found in plasmids, which are small, circular, double-stranded DNA molecules.
The structure is found in prokaryotic cells but not eukaryotic cells is - option. a. a single, circular DNA chromosome found in the cytoplasm
Cells are mainly two types that are prokaryotic and eukaryotic cells.
Prokaryotic cells-cells that lack double-membrane organelles or structures and have no nucleus and genetic material present in the cytoplasm.The circular chromosome is present in the cytoplasm in an area called the nucleoid in prokaryotes.2. Eukaryotic cells:
with a true nucleus, double-membrane organelles or structures, genetic material is stored in the nucleus.The chromosome is made up of DNA coiled and condensed around nuclear proteins called histones in the nucleoplasm.Thus, the correct answer is - a. a single, circular DNA chromosome found in the cytoplasm
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hormones do not last in the bloodstream indefinitely.For this season your glands constantly produce new hormones when needed.Using this information, explain why a diabetic person may require injections of insulin two or even three times per day?
why is the capsule considered a virulence factor?
The capsule is considered a virulence factor because it helps bacteria evade the host's immune system.
A virulence factor is a trait or characteristic of a microorganism that contributes to its ability to cause disease. The capsule is a layer of polysaccharides that surrounds the cell wall of some bacteria. This layer helps protect the bacteria from being recognized and destroyed by the host's immune system.
The capsule also helps the bacteria adhere to surfaces, such as host cells, which allows them to establish an infection. Because the capsule contributes to the ability of bacteria to cause disease, it is considered a virulence factor.
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ID # the structure(s) below that are:
CARBOHYDRATES
SATURATED FATTY ACID
POLYPEPTIDE CHAIN
Below that are one or more polypeptide chain-like structures. An arrangement of amino acids joined covalently by peptide bonds is referred to as a polypeptide chain.
What are polypeptides and what do they do?Polypeptides. Proteins are created by joining several amino acids together to form polypeptides. The bonding connecting two or more protein subunits results in the formation of proteins, after which they are folded into the appropriate shape. Backbone usually accomplished it easiest to see the chain architectures of proteins.
What components make up a polypeptide chain?An linear polymer chain comprising amino acids joined it together with peptide bonds is referred to as a polypeptide. A peptide bond creates an amide by joining the functional group of one antibody to the carboxyl groups of the following amino acid.
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which bone represents an example of synarthroses?
Teeth.
Knee.
Spine.
Shoulder.
-k12
Animal fats are solid at room temperature because they consist of
A) polyunsaturated fatty acids
B) Monounsaturated fatty acids
C)saturated fatty acids
Answer:
C) Saturated Fatty Acids
Explanation:
Because unsaturated fatty acids are liquid at room temperature.
In its simplest form, a(n) ______ is a node on a network that serves as an entrance to another network.
In its simplest form, a gateway is a node on a network that serves as an entrance to another network. It acts as a bridge between two different networks, allowing communication and data transfer between them.
A gateway acts as an intermediary device that enables connectivity and facilitates the exchange of information between networks that may use different protocols or have different network architectures. It provides a point of entry for data packets to enter or exit a network, ensuring that the packets are properly routed and delivered to the intended destination.
Gateways often perform various functions, such as protocol conversion, address translation, and network security. They can be hardware devices or software applications that are configured to handle specific networking tasks. By utilizing gateways, networks can be interconnected, allowing seamless communication and enabling users to access resources and services across different networks.
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A DNA strand has the following bases: A G A C C A T A . What are the bases on its complementary RNA strand ?
Answer:
UCUGGUAU
Explanation:
remember there is no thymine in RNA instead there is Uracil. you can also remember them as Apple Under and Car Garage.
hope this make sense:)
During transpiration, water moves through a plant and moves out into the atmosphere through the leaves. Transpiration is the result of the interaction of which two parts of a plant?
Transpiration is the evaporation of water at the surfaces of the spongy mesophyll cells in leaves, followed by loss of water vapour through the stomata . Transpiration produces a tension or 'pull' on the water in the xylem vessels by the leaves. Water molecules are cohesive so water is pulled up through the plant.
Transpiration is the outcome of the association between the xylem vessels and stomata present in the leaves.
• The evaporation of water at the surfaces of the spongy mesophyll cells in the leaves succeeded by the loss of water vapor via the stomata is termed transpiration.
• Transpiration generates a pull or tension on the water in the xylem vessels, and these molecules of water are cohesive so pulling up of water takes place through the plant.
• The primary sites of transpiration are the stomates present in the leaves. This stomata comprises two guard cells, which produce a small pore on the leaves' surfaces. These guard cells monitor the closing and opening of the stomates in reaction towards different environmental stimuli, and thus, regulate the loss of water by transpiration.
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In an organism, the structure of ___________ determines its function; in a cell the structure of ____________ determines its function.
In an organism, the structure of tissues or organs determines their function; in a cell, the structure of organelles determines their function.
In multicellular organisms, different tissues and organs have specialized structures that enable them to carry out specific functions. For example, the structure of the heart, with its chambers, valves, and blood vessels, is designed to pump and circulate blood throughout the body. Similarly, the structure of the lungs, with their alveoli and bronchial tubes, facilitates the exchange of oxygen and carbon dioxide during respiration. The specific structures of these organs are essential for their respective functions.
Within a cell, various organelles have distinct structures that are closely tied to their functions. For instance, the nucleus contains the genetic material and is responsible for controlling cellular activities. Mitochondria, with their double membrane and internal structures called cristae, generate energy through cellular respiration. The endoplasmic reticulum is involved in protein synthesis and transport, and the Golgi apparatus is responsible for modifying and packaging proteins. Each organelle's unique structure supports its specific role in the cell's overall function.
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As a scientist, what are some questions you could answer with a microscope but not with your eyes alone?
What may happen as sediment and decaying organisms build up in a pond?
a.
The pond may become a lake.
c.
The water may have more salt.
b.
More fish may live in the pond.
d.
The pond may become a forest.
Please select the best answer from the choices provided
A
B
C
D
Answer:
D
* Please do not just copy my answer it was meant to help you not just give you anything to put down!
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*Please treat people with kindness, wear a mask, and have a lovely day.
when something is taken into the body, or administered, in a manner other than through the digestive tract it is known as:
When something is taken into the body, or administered, in a manner other than through the digestive tract, it is known as an "enteral" administration.
This can include administration through the mouth (such as through oral medications or supplements), through the rectum (such as enemas or suppositories), or through the nasogastric or nasoenteric tubes (which are inserted through the nose or mouth and into the stomach or small intestine).
Enteral administration can be a convenient and effective way to deliver medications or supplements, particularly in cases where the patient is unable to swallow medications or when medications need to be administered quickly. However, it is important to note that some medications may be more effectively absorbed when administered through the digestive tract, and the choice of route of administration may depend on the individual patient's needs and medical history.
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One could say that the main function of the cardiovascular system is to: support the heart deliver oxygen to cells 1 pts O detoxify the blood OB and C
The main function of the cardiovascular system is to: deliver oxygen to cells. Option(b)
The cardiovascular system consists of the heart, blood vessels, and blood. Its primary role is to transport oxygen, nutrients, hormones, and other essential substances to the cells of the body.
Oxygenated blood is pumped by the heart through arteries to reach the tissues, where oxygen is released and utilized by the cells for various metabolic processes. Simultaneously, the cardiovascular system also collects waste products, such as carbon dioxide, from the cells and transports them to the lungs for elimination.
Overall, the cardiovascular system plays a crucial role in maintaining the delivery of oxygen and nutrients to cells, ensuring their proper functioning and overall survival.
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An example of mitosis at work is a leaf
A. Turning yellow
B. growing
C. Takeing in carbon dioxide.
D. Hosting a caterpillar.
PLEASE HELPP!! GIVING BRAINLIEST!!!!!!!
Answer:
c
Explanation:
if it does not involve 2 parents it will produce offspring identical to parents
Answer: I think that Mode 1 produces offspring identical to their parents
Explanation: I think to me other statements according to the pictures don't seem biologically correct
Which process occurs at location W? precipitation evaporation condensation transpiration.
Answer:
Precipitation
Explanation:
If it's the graph that I am thinking of, then it is precipitation. This is where raining occurs in he picture.
The biogeochemical cycle where the water circulates from the atmosphere to the Earth surface in a continuous motion is called the water or hydrological cycle.
The process that occurs at location W is:
Option A. Precipitation
The water cycle can be explained as:
The water cycle has four main components that are evaporation. condensation, precipitation and runoff.When an atmospheric substance falls on the ground in the form of rain, snow hails etc. are called precipitation.When the water from surfaces turns into vapours and moves upwards in the atmosphere is called evaporation.The vapours in clouds turn into water droplets ready to fall as rain or snow is called condensation.Transpiration is a plant function in which surplus water is exhaled from the stomata of the leaf.Therefore, the water cycle shows precipitation.
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Place the reactants \& products of gluconeogenesis in the correct order, starting with a "1" for an aliphatic amino acid. alanine. glyceraldehyde-3-phosphate. 1,3-bisphosphoglycerate. glucose. fructose-1,6-bisphosphate. pyruvate. oxaloacetat․ 2-phosphoglycerate. phosphoenolpyruvate. 3-phosphoglycerate. fructose-6-phosphate. glucose-6-phosphate.
Gluconeogenesis is the process by which cells convert non-carbohydrate precursors into glucose. The following is the correct order of reactants and products in gluconeogenesis, starting with an aliphatic amino acid:
Alanine --> Pyruvate
Glyceraldehyde-3-phosphate --> 1,3-bisphosphoglycerate
1,3-bisphosphoglycerate --> Fructose-1,6-bisphosphate
Fructose-1,6-bisphosphate --> Glyceraldehyde-3-phosphate
Glyceraldehyde-3-phosphate --> 1,3-bisphosphoglycerate
1,3-bisphosphoglycerate --> Fructose-6-phosphate
Fructose-6-phosphate --> Glyceraldehyde-3-phosphate
Glyceraldehyde-3-phosphate --> 3-phosphoglycerate
3-phosphoglycerate --> 2-phosphoglycerate
2-phosphoglycerate --> Phosphoenolpyruvate
Phosphoenolpyruvate --> Pyruvate
Pyruvate --> Oxaloacetate
Oxaloacetate --> Gluconeogenesis starts with the conversion of oxaloacetate to phosphoenolpyruvate by phosphoenolpyruvate carboxykinase (PEPCK).
This process is an important part of glucose homeostasis, as it allows cells to produce glucose even in the absence of glucose or glycogen. The end products of gluconeogenesis are glucose and CO2.
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A mutation has occurred that has changed the codon CGC to CCC? What affect will the mutation have on the protein?
Answer:
The mutation leads to apoptosis in p53 mutant cells
Explanation:
This mutation is basically the point mutation where CGC-arginine mutates to CCC-proline. The major difference between the two is presence of codon 72 of the p53 gene . This codon in p53 leads to apoptosis in p53 mutant cells
Individuals with high blood pressure are at a higher risk for:OOOOstrokeaneurismheart attackAll of these choices are correct.
High blood pressure can place increased pressure on the walls of the blood vessels inside the brain, increasing your chances of developing an aneurysm. Also, it forces the heart to work harder to pump blood to the rest of the body. This causes the lower left heart chamber (left ventricle) to thicken. A thickened left ventricle increases the risk of heart attack, heart failure and sudden cardiac death. Moreover, blood vessels damaged by high blood pressure can narrow, rupture or leak. High blood pressure can also cause blood clots to form in the arteries leading to the brain, blocking blood flow and potentially causing a stroke.
So the correct answer is: All of thees choices are correct.
starch is digested by amylase in the mouth, but it is not digested in the stomach.
what is the reason?
A. all starch digestion is completed in the mouth.
B. the pH in the stomach is not suitable for the amylase to work.
C. the starch does not stay in the stomach long enough to be digested.
D. the temperature in the stomach is not suitable for the amylase to work.
Answer: B. the pH in the stomach is not suitable for the amylase to work.
Explanation: When carbohydrates reach the stomach no further chemical breakdown occurs because the amylase enzyme does not function in the acidic conditions of the stomach.
which of the following would you expect to see in a positive feedback system
a reduction output
a magnification of output
a stabilization of output
a movement toward equilibrium
Answer:
a magnification of output
Answer:
a magnification of output
Explanation:
just took test
2 and 3 please HELP!!
Answer:
Im not going to answer
Explanation:
Since this was a test
What is the main difference between Biomass, & Biofuel?
Biomass refers to all organic material that comes from plants and animals. The sources of it may include plant-derived materials that include forestry residues and urban wood waste. On the contrary, biofuel refers to the energy sources that come from biological materials such as plant material and animal wastes. Both of them are renewable resources. Biomass is burned to produce electricity and biofuels can be converted into liquid fuels which replace petrol from fossil fuel and diesel.
please help!!
Temperature is related to the average speed of the molecules of an object or material. True or false?
Answer:
true
Explanation:
Answer:
I think it's true.............
The theory of endosymbiosis is based onA.evidence from the fossil record B.the knowledge that chloroplasts and mitochondria resemble bacteria C.similarities between chloroplasts and other organelles in animals D.the experiments in which bacteria were grown in plant cells and formed chloroplasts E.the knowledge that ribosomes are structures found in bacteria, plants, and animals
Endosymbiosis is the theory that mitochondria and chloroplasts originated as independent bacterial cells that were engulfed by another cell and began functioning as organelles within that cell.
Answer: B
help
1. How might Margaret Mead have been biased by her culture and experience when she examined the culture of the Samoans?
2. Do you think any human universals appear in all cultures? Can you think of any universal taboos?
3. One of the main criticisms of Mead was that she did not use "science" in her approach to the study of Samoan people and culture. While she is also criticized for not spending enough time in Samoa to make a proper assessment, she used observation methods to come to her conclusions. Assess how effective you think observation is to the study of anthropology. In the case of Margaret Mead, do you think her observations were correct? Why or why not?
4. Why do you think Mead's own sexuality and identity were discussed in the article?
5. How can a researcher eliminate their own bias and subjectivity when they observe another culture? Won’t they always interpret what they see through the lens of their own experience and culture? Explain your thinking.
The article under reference is "Margaret Mead: Human Nature and the Power of Culture". See further explanation and the answers below.
How might Margaret Mead have been biased by her culture and experience when she examined the culture of the Samoans?It is possible that Margaret Mead was biased by her culture and experience when she examined the culture of the Samoans because:
In human nature, there are indeed universal taboos. Some of them which were corroborated by Sigmund Freud are:
Incest; and Cannibalism.It is right to test the strength of her arguments on the basis of the methods she used to carry out her research. Science ought to be practical and very factual. While Observation is one of the methods of gathering primary data, in this case, there is no way to know if the Samoans were being polite because she was a visitor and so didn't act like they would if she was not there.
Observation in science ought to be carried out in such a way that the population or sample being observed is not interfered with while the observer remains undetected.
Mead's identity and sexuality were brought into the article because it was important for the report about her own report to be objective. Although the article does not explicitly state this, the information given about Mead's sexuality gives the reader an idea of the possible elements that could have led to her being subjective if at all.
Except such research is subject to peer review, it cannot be determined with absolute certainty that some elements of subjectivity won't be involved.
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PLEASE HELPPPP !!!! Scientific investigations must be well ____ to be sure the data collected will help answer the scientist’s question.
Answer:
ill try to but try enough =>=
Answer: I just put "well thought out" out of desperation. Sorry I couldn't find the real answer, but this is the best I could do.
Explanation:
What qualities do all living things have in common?