B. During the agricultural revolution, there were vital new improvements in farming techniques that made a sharp increase in human population.
Explanation:The agricultural revolution began in Great Britain between the mid-17th century and the late 19th century. It brought new crops and grains and also new methods of farming and agriculture. Good irrigation system and drainage facilities also helped to increase the productivity of the crops.
An immense increment in farming output and productivity during the agricultural revolution added to the growth of the population. The farming revolution made a surplus of nourishment, so fewer people started to die of starvation. Statistics demonstrate that the revolution of agriculture committed a global rise in population.
Which statements describe interactions between tw
Water flows from a stream to a lake.
Water evaporates from a lake into the air.
Wind moves parts of rocks to another location.
Lions use energy to catch other animals for food
Polar bears dig big holes in hills of snow to prote
Answer:
B. Water evaporates from a lake into the air.
C. Wind moves parts of rocks to another location.
E. Polar bears dig big holes in hills of snow to protect their young ones.
Explanation:
Evaporation of water from a lake into the air uncovers the connection between two circles of Earth, that is, hydrosphere and environment.
Moving of the bits of the stone to an alternate area with the assistance of air likewise incorporates correspondences inside the two Earth's circles, that is, geosphere and environment.
Digging of enormous gaps in snowfall by the polar bears to safeguard their young ones is additionally a case of connections among two of the Earth's circles, that is cryosphere and biosphere .
The blank describes how cells are related to living things
The cell theory describes how cells are related to living things. The correct option is A.
What is cell theory?Cell theory is a scientific theory first proposed in the mid-nineteenth century that living organisms are made up of cells, that cells are the basic systemic unit of all organisms, and that all cells originate from pre-existing cells.
Cells, according to the definition of cell theory, are the building blocks of life. Cells are the building blocks of all living things and are responsible for all of life's processes. Cells comprise your hair, skin, organs, and so on.
When English physicist Robert Hooke described cork and other plant tissues in 1665, he coined the term cell since this cellulose structures of dead cork cells reminded him of the blocks of cells occupied by monks.
Thus, the correct option is A.
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Your question seems incomplete, the missing options are:
cell theory
cell history
cell poem
What is the relationship between the chemical reaction for photosynthesis and the chemical reaction for respiration
Answer:
Photosynthesis and respiration are reactions that complement each other in the environment. They are in reality the same reactions but occurring in reverse. While in photosynthesis carbon dioxide and water yield glucose and oxygen, through the respiration
Explanation:
Answer:
in photosynthesis carbon dioxide and water yield glucose and oxygen, through the respiration
Explanation: please give brainliest
Lipids serve a number of functions in living organisms. Which of the following is NOT a lipid function?
A).body insulation
B).short-term energy storage
C).chemical messenger carrier
D).biological membrane component
Answer:
The correct answer is B) short-term energy storage.
Explanation:
Glycogen present in the muscles and liver can provide short term energy to the body in the scarcity of glucose. Glycogen is converted into glucose by a process called glycogenolysis and provide instant energy to the body.
Body has more efficiency to store lipids as fat deposits rather than glycogen and lipids provide long term energy source to the body in the absence of glucose like in long fasting. Lipids provide 9 calory energy per gram which is more than twice than energy provided by 1 gm of carbohydrate.
So lipids are used for long term energy storage because it acts as energy reserve and used when no glycogen is left to give energy. Therefore, the correct answer is B) short-term energy storage.
A cats sharp teeth are used to help catch mice, this is an example of
A. hypothesis
B. structure and function
C. characteristics of life
Answer:
B. Structure and function
Explanation:
The cat's sharp teeth are the structure and the function is the ability to catch mice with the sharp teeth.
The statement that "A cats sharp teeth are used to help catch mice" is an example of structure and function.
Living organisms adapt to their natural environment by the possession of certain adaptation features. These features, which can either be structural, behavioral or physiological, enables the organism that possess them perform specific functions. According to this question, the cat's sharp teeth is the structural feature possessed by the cat to perform a function, which is catching of mice. Therefore, the statement that "A cats sharp teeth are used to help catch mice" is an example of structure and function.Learn more: https://brainly.com/question/15016634?referrer=searchResults
SOMEONE PLEASE HELP ME! I NEED TO FINISH THIS IN LESS THAN 5 MINUTES! THANK YOU!
1. 2nd picture(RBC)
2.3rd picture(relay neuron)
3.1st picture( plant epidermal cells)
4. 4th picture( chloroplasts)
1.Animal cells that bend and squeeze easily through narrow spaces: White blood cells
2.Animal cells that relay information to other cells: Nerve cells
3.Plant root cells that absorb water and minerals from the soil: Root hair cell.
4.Plant cells that make food: Palisade mesophyll cell
Functions of Specialized Cells in the Image
1. Animal cells that bend and squeeze easily through narrow spaces: These are likely white blood cells, which are part of the immune system and help to protect the body from infection.
White blood cells are able to change their shape and squeeze through narrow spaces in order to reach areas of the body where infection is present.
2. Animal cells that relay information to other cells: These are likely neurons, which are nerve cells that transmit electrical signals throughout the body.
Neurons have long extensions called axons and dendrites, which allow them to connect to other neurons and muscle cells.
3. Plant root cells that absorb water and minerals from the soil: These are likely root hairs, which are thin projections that extend from the roots of plants.
Root hairs are specialized for absorbing water and minerals from the soil.
4. Plant cells that make food: These are likely palisade mesophyll cells, which are found in the leaves of plants. Palisade mesophyll cells are packed with chloroplasts, which are organelles that contain chlorophyll, the green pigment that allows plants to photosynthesize.
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to produce food.
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What gas is used? _____ released?_______
Answer:
Oxygen
Explanation:
The gas that was released is carbon dioxide (CO2).
The gas that was released is carbon dioxide (CO2), a colorless and odorless gas that plays a crucial role in Earth's atmosphere and various biological processes.
Carbon dioxide is composed of one carbon atom and two oxygen atoms, and it is a natural component of the air we breathe.
While it is an essential part of the carbon cycle, where carbon is exchanged between the atmosphere, oceans, soil, and living organisms, excessive emissions of carbon dioxide, primarily from human activities such as the burning of fossil fuels, deforestation, and industrial processes, contribute to the greenhouse effect.
In the context of environmental concerns, the release of carbon dioxide is often associated with climate change.
The increased concentration of CO2 in the atmosphere enhances the greenhouse effect, trapping heat and leading to global warming.
This has widespread implications for ecosystems, weather patterns, sea levels, and overall environmental stability.
Efforts to mitigate the release of carbon dioxide include transitioning to renewable energy sources, enhancing energy efficiency, and adopting sustainable practices.
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Question
The gas that was released is carbon _____ .
Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange
phloem cells
companion cells
parenchyma cells
guard cells
Answer:
Guard cells
Explanation:
The guard cells are on either side of the stomata and control water loss and gas exchange by swelling to open the stomata and shrinking to close it. When open, gas exchange and water loss will occur. When closed, gas exchange and water loss does not occur.
Answer:
Guard cells
Explanation:
I'm doing the test right now.
A new molecule is discovered in a deep sea cave fish. It has the following properties: hydrophillic, very large, and used for energy storage. What kind of molecule is it?
Answer:
The molecule is carbohydrate that is large and hydrophilic in nature. Carbohydrates are made up of many monomers.
Explanation:
Example - glucose monomers combines to form starch.
Carbohydrates are the primary source of energy. During starvation, when the carbohydrates are already being used then fats play an important role in providing energy.
Carbohydrates can be monosaccharide (made up of only 1 monomer), oligosaccharide (have 2-10 monomer units) or polysaccharide (have more than 10 monomer units).
How many moles are in 68.5 liters of oxygen gas at STP?
A. 3.058 mol
B. 30.58 mol
C. 0.3058 mol
D. 305.8 mol
The correct answer is A. 3.058 mol
Which state of matter does this model represent?
a) solid
b) liquid
c) gas
d) plasma
Answer:
gas be the molecules are tightly held together
Explain how palisade cells are adapted for photosynthesis.
Answer:
The palisade cells are the main site of photosynthesis, as they have many more chloroplasts than spongy mesospheres, and also have several adaptions to maximize photosynthetic efficiency; Large Vacuole - Restricts chloroplasts to a layer near the outside of the cell where they can be reached by light more easily.
Explanation:
How would the climate of the earth be different if water did not hold heat? Explain your answer.
Answer:
Explanation: the temputures would drop durastically on land and the oceans would be frozen .
If oceans stopped absorbing heat from climate change, life on land would average 122°F.
How does the heat of water affect climate?The high specific heat of water also helps regulate the rate at which air changes temperature, which is why the temperature change between seasons is gradual rather than sudden, especially near the oceans.
Why is water so important in controlling Earth's climate?The water in oceans and lakes stores the energy radiated by the sun and releases it slowly. Water can absorb and store a lot of energy while only warming up by a few degrees.
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What was Anton van leeuwenhoek's contribution to the cell theory?
Answer:
He was the first to observe live cells in a sample of pond water with the use of a microscope.
Explanation:
Anton van Leeuwenhoek is universally known as the Father of Microbiology.
He was the first person to discover a living cell under a microscope. He discovered protozoa (the single-celled organism) and named them animalcules.
Anton van Leeuwenhoek was a significant figure in the development of cell theory with his advanced lens-making skills, which enabled him to observe single-celled organisms, bacteria, and protozoa. These observations contributed immensely to the understanding that all life is composed of cells, a fundamental concept in the cell theory.
Explanation:Anton van Leeuwenhoek, a Dutch shopkeeper, made significant contributions to the cell theory with his developments in microscope technology in the 1600s. Despite the limitations of the lenses at that time, van Leeuwenhoek's skills in lens crafting allowed him to create microscopes powerful enough to observe single-celled organisms and ever so tiny bacteria and protozoa. His discovery of what he termed "animalcules," referring to the unseen microscopic life forms, set the stage for future scientific advancements in understanding the cellular composition of life.
Leeuwenhoek's pioneering work laid the groundwork for subsequent discoveries that would shape our understanding of cells. His observations complemented those made by Robert Hooke, who coined the term "cell." Together, their work propelled the development of the cell theory, which encompasses the fundamental concept that all living things are composed of cells, cells are the basic unit of life, and all cells come from pre-existing cells. Despite the stark contrast between van Leeuwenhoek's simple microscopes and the complex microscopes of today, his efforts were instrumental in revealing a previously invisible world, a cornerstone in biology that has carried through to modern science.
What is the role of glucose in photosynthesis
Glucose is the suger made from sunlight for plants.
Answer: To make substances like cellulose and starch
Explanation: During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch. Cellulose is used in building cell walls. =)
Which organ is part of the Integumentary system?
lungs
skin
stomach
heart
Answer: Skin
Explanation: The Integumentary system is made up of the skin, hair, nails, and exocrine glands. The only option within this list is skin and the answer is therefore skin.
The condition Marfan syndrome results from the production of abnormal elastin, the main protein component of elastic fibers. Predict the potential consequences of defective elastic fibers. (Hint: Consider the organs and tissues in which elastic fibers are found). How would defective elastic fibers impair the functions of these organs and tissues?(
Answer:
Elastic fibers are made of elastin and microfibrils, that are elastic protein structures. The proteins can be stretched and resume normal shape. These fibers are found in parts of the body such as arteries, skin, lungs, connective tissue and heart that require some stretching. Marfan syndrome affects the elastic connective tissues causing symptoms like dilation of the aorta that doesn't resume normal lumen diameter (aortic aneurysm), and curving of the spine (scoliosis).
The lungs are unable to stretch and resume shape normally and this affects the respiratory system. The subjects will suffer from shortness of breath, wheezing and chest pain.
The sheath/endoneurium of neurons is connective tissue. This part of a neuron allows signals to travel effeciently along the axon of the neuron. This means that a person with Mafran syndrome has a slower response to stimuli that ordinary persons.
What is the difference between inorganic and organic compound
A Organic compounds contain carbon and morsianic compounds do not
B Organic compounds are beneficial to the environment and morganic compounds are not
Organic compounds are procedaturally and monsanic compounds are human-made
D. Organic compounds contain tonic bonds and inorganic compounds contain covalent bonds
Neset
Next
Final answer:
Organic compounds contain carbon with C-C or C-H bonds, excluding carbonates and carbon oxides like CO₂, and are mainly associated with biological systems. Inorganic compounds usually do not contain carbon, and if they do, they lack hydrogen or are simple structures; these can involve ionic or covalent bonds. So the correct option is A.
Explanation:
Difference Between Organic and Inorganic Compounds
The primary difference between organic and inorganic compounds lies in their composition and structure. Organic compounds always contain carbon atoms (C) and usually have at least one C-C or C-H bond. Notably, carbon dioxide (CO₂) and simple carbonates, even though they contain carbon, are categorized as inorganic because they do not have C-H bonds. Furthermore, organic compounds include essential molecules such as carbohydrates, proteins, fats, and nucleic acids, all of which play crucial roles in biological systems.
Inorganic compounds, on the other hand, usually do not contain carbon. When they do, it is often without the presence of hydrogen, or they are simple structures like carbon oxides and carbonates. Inorganic compounds can be formed by both covalent and ionic bonds, whereas organic molecules are formed only by covalent bonds.
It is important to understand that both types of compounds obey the same natural laws and sometimes may exhibit overlapping chemical or physical properties. Nevertheless, the presence of carbon-hydrogen bonds is a defining characteristic that distinguishes organic compounds from inorganic compounds.
An independent variable is?
A independent variable "is the variable in a experiment that you are testing." They're two variables in experiments you will have to watch out for a dependent variable and a independent variable. A dependent variable is a variable in a experiment that you are measuring for example height of a plant and a independent variable is a variable that you are testing in a experiment for example which plant will grow the tallest.
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is earth a living organism
Answer:
The earth itself isn't living but some thing on earth are living
Explanation:
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Answer:
The earth itself is not, however there are organisms on it that are.
If you are speaking of the ground, it's still not a living organism, because the ground does not meet the requirements of living organisms.
Explanation:
The earth (our planet) is not alive, and the earth on it is also not technically alive. Some people personify the Earth to be living, giving it the name "Mother Earth", but this is a misrepresentation.
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In which direction does the head of the molecules of the plasma membrane face? toward the outside toward the middle away from water toward the head of another molecule
The head of the molecules of the plasma membrane face towards the outside.
Answer: Option A
Explanation:
Phospholipids is arranged in a bi-layer, makes up the structure of the plasma layer. The hydrophilic segment of a plasma membrane is its head, and it has a high affinity towards the water. The hydrophilic heads of phospholipids in a layer bi layer faces outward, reaching the (watery) liquid both inside and outside the cell.
The hydrophobic, or "water-dreading" portion of a phospholipid comprises of its long, non polar unsaturated fat tails. The unsaturated fat tails can be without much of a stretch communicate with other non polar atoms, yet they cooperate inadequately with water.
Answer: toward the outside
Explanation:
Based on a weather map, where would you expect to find the highest wind
speeds?
O
A. In the region of lowest pressure
O
B. Where isotherms are farthest apart
O
C. Where isobars are spaced closest together
O
D. Where a warm front meets a cold front
Answer:A where isobars are spaced closest together
Explanation:
Based on a weather map, where would you expect to find the highest wind speeds is In the region of lowest pressure.
What is weather map?Various meteorological features are displayed on a weather map, which can be used for research, weather reporting, and forecasting. Since the middle of the 1800s, weather maps have been utilized.
A weather map is used to display weather information for a particular location at a particular time. Temperature, cloud cover, rain or snow, wind, air pressure, humidity, and the direction in which a weather system is traveling or is predicted to move can all be displayed.
Isotherms can be used in weather maps (a line connecting locations with like temperatures). Researchers and forecasters can identify weather fronts with the aid of isotherms.
Therefore, Based on a weather map, where would you expect to find the highest wind speeds is In the region of lowest pressure.
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In the BOREAS study, scientists are trying to determine if a large amount of carbon is being taken in by what biome? a. rainforest b. tundra c. boreal forest d. desert
Boreal forest is a large amount of carbon is being taken in by Biome
Answer: C. Boreal forest
Explanation:
BOREAS is the investigation completed in the boreal woodland at Canada that spotlights on improving our comprehension of the radiant energy, heat, water, carbon dioxide and gases between the boreal forest and the environment.
An essential goal of BOREAS was to gather the information expected to improve the models of computer simulation of the significant procedures controlling these exchanges with the goal that researchers can envision the impacts of worldwide change on the biome.
Answer:
C. Boreal forest
Explanation:
Edge 2020
Many fish and aquatic plants can survive a cold winter because the layer of
ice that forms at the top of the lake insulates the water below and prevents
the lake from freezing solid. What unique property of water contributes to
this effect?
Answer:
Water expands on cooling below 4 degrees Celcius.
Explanation:
This means the water becomes less dense because the same mass of water occupies more volume. This is called the ‘water anomaly’ because other liquids reduce in volume with temperatures. Ice will, therefore, float on very cold water. In cold regions this ice sheet formation in lakes and oceans is significant in insulating the waters below from losing more heat. Consequently, the waters below the ice sheet remain liquid maintaining the aquatic life below the ice.
Which famous scientist is credited as the founder of the scientific method?
Aristotle
John Dalton
Sir Francis Bacon
Sir Isaac Newton
Answer:
Sir Francis Bacon
Explanation:
because Sir Isaac Newton was famous for his mathmatics skills and many more, but the did not the founder of the scientific method, it is said that Sir Francis Bacon :), funny name created the scientific method "if sufficiently clever men discussed a subject long enough, the truth would eventually be discovered." he decided to challenge this by argureing the truth and doing experiments to get the evidence he needed the real world.
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Is the earth or a globe closer to a perfect sphere
Answer:No, the Earth is a bit wider than it is "high". The shape is often called a geoid (Earth-like) or an ellipsoid. The rotation of the Earth causes a slight bulge toward the equator.
The circumference of the Earth at the equator (24,901.55) is about 41 miles greater than the circumference through the poles (24,859.82 miles. If you were standing on the moon, looking at the Earth, it would be virtually impossible to see the bulge and the Earth would appear to be a perfect sphere. The mathematical name for the shape of the earth is an 'Oblate spheroid'.
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What type of transport does not require energy to move molecules across the plasma membrane?
concentration gradient
passive
bilayer
active
Answer:
Passive transport
Explanation:
Passive transport can easily be described as transport of atoms, molecules or ions across the cell membrane without requiring energy. The capability of a system towards growing in entropy is the reason that passive transport does not require any cellular energy, unlike the active transport. The permeability of the cell membrane depicts the rate of transfer of molecules, ions or atoms by passive transport, into and out of the cell.
Answer:
I just did the test and answer is passive transport
Explanation:
describe the effects that a large-scale volcanic eruptions can have on the global climate
Large-scale volcanic eruptions release gases and solids in the atmosphere causing short-term climate changes. One significant effect is haze-effect cooling, where suspended particles block sunlight lowering global temperatures. Volcanic eruptions also release greenhouse gases contributing to global climate change.
Explanation:Large-scale volcanic eruptions have significant effects on the global climate. During an eruption there are solids and gases released into the atmosphere which include carbon dioxide, water vapor, sulfur dioxide, hydrogen sulfide, hydrogen, and carbon monoxide. These emissions can influence the climate over a period of a few years, causing short-term climate changes.
One major effect is what's known as haze-effect cooling. This global phenomenon occurs when dust, ash, or other suspended particles block out sunlight, resulting in lower global temperatures. An example was in 1783 when volcanos in Iceland erupted and caused the release of large volumes of sulfuric oxide, leading to some of the lowest average winter temperatures on record in 1783 and 1784 in Europe and North America.
Another impact of large-scale volcanic eruptions is the increase in greenhouse gases such as carbon dioxide and sulfur dioxide. These gases absorb and emit radiation, trapping heat in Earth's atmosphere and contributing to global climate change.
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Which organelle acts like a post office by packaging and distributing proteins?
Image of an animal cellshown with letters A to F showing various organelles. A points to the golgiapparatus. B points to the mitochondria. C points to the nucleolus. D points to rough endoplasmic reticulum. E points to smooth endoplasmic reticulum. F points to the cell membrane.
A
B
C
D
Answer:
A
Explanation:
Golgi apparatus, a membrane-bound organelle with cisternae, delivers proteins and lipids from the endoplasmic reticulum to where they are needed- such as for secretion outside the cell. Fused vesicles with proteins/lipids that pinch off from the trans end of the ER fuse with the cis end of the Golgi apparatus delivering the ‘cargo’. The proteins/lipids are then given post-translation modified and ‘marked’ for different deliveries. At the trans end of the Golgi apparatus, the vesicles pinch-off with the modified proteins and transported to their destination.
The organelle that acts like a post office by packaging and distributing proteins is the Golgi apparatus, indicated by the letter A.
The Golgi apparatus receives proteins from the rough endoplasmic reticulum (letter D) and modifies, sorts, and packages them into vesicles for transport to their final destinations within the cell or for secretion outside the cell. It plays a crucial role in intracellular transport and protein processing.
Cell organelles are specialized structures within a cell that perform specific functions, analogous to organs in a multicellular organism. Each organelle has its own unique structure and function, contributing to the overall functioning and survival of the cell.
The nucleus houses the cell's genetic material, DNA, and serves as the control center of the cell. It regulates gene expression and coordinates cellular activities.
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Organisms classified using a dichotomous key are based on A. physical characteristics. B. geographic area. C. behaviors. D .genes.
Answer:
Physical Characteristics.
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