Answer:
the thyroid gland is a butterfly shaped organ at the base of your neck that controls growth, hormones, metabolism, and development.
Which organ system is NOT used to obtain nutrients from food
The answer would be respiratory because that system is used to breath oxygen and exhale carbon
The nervous system is the organ system that is not used to obtain nutrients from food. The process of nutrient acquisition primarily involves the digestive and circulatory systems. The nervous system plays no direct role in the digestion or transportation of nutrients.
Explanation:
The organ system that does not contribute to obtaining nutrients from food is the nervous system. The process of obtaining nutrients from food primarily involves the digestive system, which breaks down the food into essential components like carbohydrates, proteins, and fats that our bodies can use. This includes organs such as the mouth, stomach, and intestines. Additionally, the circulatory system plays a vital role in transporting these nutrients to different parts of the body. The nervous system, on the other hand, is responsible for receiving, transmitting, and interpreting sensory information, playing no direct role in the digestion or transportation of nutrients.
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Why is it important that farmers plant crops during the winter that improve the levels of nitrogen in the soil?
These crops can fix nitrogen into usable nitrates.
These crops have root nodules that contain bacteria.
These crops produce fruit that quickly decomposes into usable nitrogen.
These crops all use nitrogen in their specialized photosynthesis process.
Answer:
These crops can fix nitrogen into usable nitrates.
Explanation:
There are certain crops which are called cover crops, specifically legumes like peas, vetch,clover and winter field beans . Farmers grow these crops during winter before the growth of actual target crops like cabbage etc which are thirsty for Nitrogen.
What is special about these cover crops is their ability to fix nitrogen into the soil from the atmosphere. There are various ways through which these leguminous crops can fix nitrogen into the soil:
Some legumes like hairy vetch and crimson clover, may fix upto 100 pounds of nitrogen per acre for the utilization by the crop growing in same soil next season.Other legumes like red clover and bigflower vetch can fix from 30 to 80 pounds of nitrogen per acre .Now how the legumes fix nitrogen is through a symbiotic relationship with soil-dwelling bacteria. These are the bacteria that dwell in soil and take nitrogen from atmosphere and provide this nitrogen to leguminous crops through roots which later fix this nitrogen into nitrates.In return, the bacteria can get food in the form of carbohydrates from legumes.This phenomenon confers the leguminous crops with an ability to fix nitrogen in the soil that can be used by the nitrogen requiring crops like cabbage when grown next season in same soil.
Hope it help!
Nitrogen fixation is the process by which nitrogen present in the earth,s atmosphere is converted into ammonia or to the interconnected nitrogenous compounds. Nitrogen fixation is important to life because fixed inorganic compounds are essential for the biosynthesis of the nitrogen containing compounds.
Some plants such as legumes have collaborating relationship with the diazotrophic bacteria which fix atmospheric nitrogen into ammonia. These bacteria contain nitrogenase enzyme whici is responsible for biological nitrogen fixation. The reaction for the nitrogen fixation is as follows
[tex]N_{2} +8H^{+} +8e^{-} -->2NH_{3} +H_{2}[/tex]
The majority of the plants which show symbiotic relationship with the diazotrophic bacteria are legume plants which belongs to Fabacae family.
Since most of the legume plants are grown during the winter season these plants fix nitrogen into suitable nitrates.
Therefore the answer is these crops can fix nitrogen into usable nitrates as most of the legume plants are grown during winter.
what type of sample can give information on how long someone has been exposed to a poison? Blood Muscle Hair
They would need to give a Blood sample. If someone gives a blood sample, whoever is testing it, can tell a large number of things. (ex. if you're dehydrated, how many red blood cells to white blood cells ratio, if you have a vitamin deficiency, and a ton of other things.) They will be able to tell how long you've been exposed to something poisonous because they will be able to see the changes that the poison has made to the blood stream, and the way it affects it.
Hope this helps!! (:
Final answer:
Hair samples are the most informative for determining how long someone has been exposed to a poison because they encapsulate a chronological record of exposure, unlike blood or muscle tissue which reflect recent exposures.
Explanation:
When it comes to understanding how long someone has been exposed to a poison, hair samples can provide valuable information. As hair grows, substances such as toxins can be deposited in the hair shaft, providing a chronological record of exposure. This is why hair analysis is often used in forensic toxicology when assessing long-term low-level exposure to toxins such as heavy metals, including arsenic, mercury, and lead. Blood and muscle tissues do not provide as clear a historical record of exposure because they are more reflective of recent exposures rather than a long-term timeline.
Which is the fifth most common pool where carbon is stored apart from the Earth's crust, ocean, soils, and atmosphere?
[ Answer ]
Fossil Fuel
[ Explanation ]
Fossil fuel is a natural fuel, just like coal and gas. It is formed from the remains of once living things. The organisms were buried and dead, and went through the process of decomposition. There are three main types of fossil fuels which are used for energy provision. The three types are coal, energy and natural gas. In conclusion, fossil fuel is the fifth most common pool where carbon is stored.
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Carbon is an important element that plays a major role in the biogeochemical cycle. It is found in the living plants and animals in the biosphere.
What is carbon?Carbon is an element that has various roles and importance in the reactions and processes of the earth. They are involved in the carbon cycle and are found abundantly as gas in the atmospheric layer.
They are found in the crust, oceans, and soils as organic and inorganic matter, either as living organisms or as dead remains of the organisms. They are found in the sedimentary rocks as fossils.
In the biosphere, they are found as organic and inorganic matter that is present in animal and plant cells in various forms including carbohydrates and lipids.
Therefore, other than Earth's crust, ocean, soils, and atmosphere carbon is found in the biosphere.
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Why is clay classified as a silicate? (24 points)
A
Clay contains silicon-oxygen tetrahedra.
B
Clay easily fractures into sheets.
C
Clay contains silicon-carbon compounds.
D
Clay contains only silicon atoms.
Which human organ system produces hormones to regulate growth, development and reproduction?
A.circulatory
B.digestive
C.nervous
D.endocrine
D. Endocrine. It produces and secretes hormones, which regulate cells and organs.
The organ system that produces hormones to regulate growth development and reproduction is endocrine system.Example that can be said is thyroid gland,adrenal gland,pancreas etc..
What type of erosin is it when earth worms are pushing the soil apart
What opportunity did many colonial countries have after world war lol?
After World War II, many colonial countries had the opportunity to decide their own government.
To decide their own government.
which of the following is an example of mountains formed as a result of ocean-ocean convergence 1)the andes mountains 2) the himalayas 3) the hawaiian islands 4) the mountains of japan
It would be number 4. the mountains of Japan
The Himalayas
Explanation;The Himalayan mountain is an example of mountains that was formed as a result of ocean-ocean convergence. In other words the formation of this mountain is due to the movement of plate tectonics.The Himalayan mountain range and Tibetan plateau have formed as a result of the collision between the Indian Plate and Eurasian Plate. The two plates which are now Asia and India came together and the land at the boundary was forced upwards and a mountain was formed there.what is the relationship between the properties of water and transpiration that takes place in plants?
Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves. hope this helps and plz friend me im jake and im 13
The process through which the water is released from the plant to the environment is called as transpiration. The water from the root is passed on to the leaf surface through xylem by capillary action of water.
The water exhibits capillary action due to properties such as surface tension, cohesion, and adhesion. With the help of adhesion property, the water molecules binds with the xylem wall molecules, due to cohesion, the water molecules bind with one another and facilitates continuous as well as easy movement from root to the leaf through stem.
Animals such as bears that consume both plants and other animals are referred to as
A)cannibalsB)carnivoresC)herbivoresD)omnivores
Answer: D
Explanation:
animal that eat both meat and plants are classified as Omnivores
Answer:
d
Explanation:
A rollercoaster car at the top of the hill,and a slope that sits above a dam are all examples of what kind of energy?
Potential energy; energy created by the position of an object.
describes one of Isaac Newton's contributions to the world of science
Final answer:
Isaac Newton made monumental contributions to physics, including formulating the laws of motion and the law of gravity, inventing calculus, and improving the theories of light and color, which remain foundational in physical science.
Explanation:
Isaac Newton's Contributions to Science
Sir Isaac Newton (1642-1727) was a pivotal figure in the history of science, making groundbreaking contributions across several fields. His most renowned work, the Philosophiae Naturalis Principia Mathematica, laid the foundation for classical mechanics through his laws of motion and the universal law of gravity. Besides these achievements, Newton invented calculus, which is fundamental to advanced mathematics and engineering, and greatly advanced the theories of light and color, impacting the field of optics.
Newton's laws of motion established a formulaic way to predict the movement of objects both on Earth and in space, marking a significant transformation from the Renaissance to the modern era of thought about the physical universe. This was a move away from the theologically-intertwined science of the past towards a model based on empirical evidence and mathematical precision. Through his work, Newton distilled the Scientific Revolution's findings, building upon the legacies of predecessors like Galileo and Kepler, to provide a comprehensive framework that remains influential in physics today.
Newton's methods and theories emphasized the importance of basing scientific inquiry on observation and experimentation rather than on established authority or solely philosophical reasoning. This approach was integral to the advancement of the Scientific Revolution, setting the stage for the modern scientific method.
All living things need energy to perform their life processes. How and where do they get the energy that they need? A. the production of carbon dioxide through the process of photosynthesis B. the absorption of light that radiates from the Moon C. the oxidation of food through the process of cellular respiration D. the fixation of nitrogen gas from the atmosphere
RE: "A."
Plants get energy from the sun (photosynthesis), but the production of Carbon Dioxide does not give any living thing the energy to perform their life processes.
RE: "B."
The Moon's reflective light does not give any living thing the energy to perform their life processes.
RE: "C." [Best answer]
The breakdown of food does give any living thing the energy to perform their life processes.
RE: "D." Plants' roots "fix" Nitrogen gas from the atmosphere, but that does not give any living thing the energy to perform their life processes.
Final answer:
The correct option is C. the oxidation of food through the process of cellular respiration. Living things acquire the energy they need to perform life processes primarily through cellular respiration, where food is oxidized to release energy. This stored energy originates from photosynthesis, where plants convert sunlight into chemical energy.
Explanation:
All living things need energy to perform their life processes. They obtain this energy in various ways. One critical source of energy is the process of cellular respiration, where organisms oxidize food to release energy. This is option C: the oxidation of food through the process of cellular respiration. However, it's important to note that the ultimate origin of much of this energy is the sunlight captured by plants and other autotrophs through photosynthesis. In photosynthesis, light energy is converted into chemical energy, which is stored in carbohydrates. Cellular respiration then breaks down these carbohydrates to power the life processes of both plants and animals.
Identify the parts labeled in the cell.
I think
A. cell wall
B. cytoplasm
C. nucleus
What layer of the skin consists of many epithelial cells
Answer:
The Epidermis
Explanation:
The epidermis is composed of keratinized, stratified squamous epithelium. It is made of four or five layers of epithelial cells, depending on its location in the body.
Which component of the cell membrane functions to actively transport molecules into the cell
The protein component of the cell membrane function to actively transport molecules into the cell.
What is the cell membrane?All cells have a cell membrane, also known as a plasma membrane, which divides the inside of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane.
A cell is protected by its cell membrane, also known as the plasma membrane. Additionally, it maintains a constant microenvironment within the cell, and also that membranes serve a variety of purposes. One is to move compounds out of the cell that is harmful as well as nutrients into the cell. Another is that there will be proteins on the cell's membrane, which is its plasma membrane, that communicate with other cells.
These proteins may be lipid proteins, which include both a protein and a fatty acid, or they may be glycoproteins, which contain both a protein and a sugar moiety. Additionally, those proteins that adhere out of the cell membrane enable cell-to-cell communication.
Additionally, a cell's membrane offers some structural support. Additionally, various cell kinds have distinct types of plasma membranes, and the lipid component of the plasma membrane generally contains a lot of cholesterol. This is distinct from a few other membranes found inside the cell.
There are several plants and microorganisms, such as algae and bacteria that have various defense systems. They really have a cell wall surrounding them, which is stronger and more sturdy than a plasma membrane.
Therefore, proteins are the components involved in active transport.
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Which of the following substitutes can help reduce air pollution. A. Using a bike instead of a car B. Using dumps instead of landfills C. Using coal instead of oil D. Fireplaces instead of a wind farms
The correct answer is option A
Any undesirable particles or substance in the air is responsible to cause air pollution. This can be reduced using certain ways.
By using bike instead of using car is less harmful as compared to that of car. The amount of pollutant released into the environment by car is more as compared that of bike. The amount of harmful gases like carbon dioxide, sulfur dioxide, nitrogen oxide from bike is less as compared to that of car.
A frog has a genetic mutation in its skin cells that causes part of its skin to turn orange. The frog will not pass this genetic mutation onto its offspring because A. mutated skin cells cannot divide and produce daughter skin cells. B. the offspring will inherit skin cells from the other parent. C. parents do not contribute genetic material to their offspring. D. skin cells do not contribute genetic material to sex cells.
The frog will not pass this genetic mutation onto its offspring because, D. skin cells do not contribute genetic material to sex cells.
Cnidarian bodies are either in the polyp or medusa form with tentacles surrounding the mouth. What type of symmetry do they have
a)
radial
b)
asymmetrical
c)
bilateral
Answer:- Option a radial symmetry
Explanation:-
Most of the organisms have can either of the two types of symmetry:-
1. Bilateral symmetry- A body is said to have a bilateral symmetry when it can be divided into 2 equal halves on either side of a single plane.
For e.g if you cut the letter M from middle vertically then you have two equal halves.
2. Radial symmetry - A body is said to be radially symmetrical if it can be divided into similar halves in any plane. This means that the organism has its body parts arranged around a central main axis.
The cnidarians whether in polyp or medusa from exhibit radial symmetry because if you cut them in any plane you will get equal halves.
Which process occurs only in autotrophs and never in heterotrophs
The Calvin cycle is a process that occurs only in autotrophs.
Hope this helps.
Fernanda is working on a physics project. She is experimenting by rolling a marble down a ramp and then seeing how far it rolls along the floor after leaving the ramp.Which would be the dependent variable in Fernanda’s experiments?
The physics project on which Fernanda is working is the rolling a marble down a ramp and observing the distance marble would roll along the floor after leaving the ramp.
Each experiment has an independent and a dependent variable. Independent variable is one whose change is not controlled by the change in another variable or factor. Dependent variable is the one which is measured or determined in any experiment, it varies depending on the changes in independent variable.
In the given experiment, the dependent variable is distance the marble rolls after leaving the ramp as the distance marble rolls depends on the angle at which marble is released on the floor or the material with which the marble is made or the size of the marble. So the independent variable can be any of those, angle at which marble is released on the floor or the material with which the marble is made or the size of the marble.
Answer:
The distance the marble rolls after the ramp
Explanation:
because of the place and directions and the floor place.
How do models provide a practical solution for some scientific research?
Models are simplified representations that make it possible to study very large, very small, or very complex objects or systems.
I can be found in animal cells is it chloroplast, mitochondria or both
Mitochondria is the cell organelle which can be found in all types of animal cells. Chloroplast are absent in animal cells and are found in plant cells.
What is an Animal cell?
An animal cell is the cell which is present in all types of animals. Animal cells are the typical eukaryotic cells which are enclosed by a plasma membrane and also contains membrane-bound organelles and a well-defined nucleus.
Mitochondria is the powerhouse of the cell. Mitochondria is a double-membranous organelle which is responsible for the production of ATP in the cell. Chloroplast is the organelle which is present in the plant cell, it is responsible for performing photosynthesis.
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A person who has a disorder caused by a recessive allele is
a.
considered a carrier of the disorder.
b.
homozygous for the recessive allele.
c.
unable to pass the allele to offspring.
d.
certain to have offspring with the disorder.
B. homozygous for the recessive allele.
The only way you have a disease caused by a recessive allele is that both of your copies are recessive.
One hypothesis regarding the extinction of dinosaurs is that a meteor hit the earth causing an explosion so powerful that dust blocked out the sun. Consider the model above and explain why would this have caused a mass extinction?
There is no model visible, but the main theory as to how an asteroid/meteor impact would cause a mass extinction is that the force of the projectile landing onto the surface of the earth would launch so much debris and material into the atmosphere that it would block out most if not all light from the sun, leading to a inevitable food pyramid crash. As the producers die and become harder and harder to find, primary consumers decline which leads to the decline of secondary consumers, and so on until you reach the apex predators in the ecosystem(s). Hope this helped!
Could someone please help me with this?
it (B)
The allele for purple flowers is dominant to the allele for white flowers.
I HOPE THIS HELP:)
When ash and dust begin to settle on the ground, they eventually become compacted by _____.
Why does mineral transport influence water transport?
Water moves upward through a plant through the xylem tissue. Along with water, xylem also transports dissolved minerals, and some small organic molecules. Three factors that influence the flow of sap through a plant include diffusion, transpiration and capillary action. Water transport occurs in a plant's xylem tissue.
What conclusion can you draw from the following data?
Answer:
Humans are more closely related to chimpanzees than carp.
Explanation: