The statement is false because a plant dying from exposure to poison is an example of a chemical change, as it involves a change in the plant's chemical composition, not just a physical alteration.
Explanation:The question: A plant dying after being exposed to poison represents a physical change, true or false?. False. This statement is false because a plant dying from poison represents a chemical change, not a physical one. This is due to the alteration of the chemical structure within the plant as a result of the poison, which causes damage or death to the plant. For instance, when a toxic agent like poison interacts with a plant's biological systems, it can lead to a series of biochemical reactions that ultimately cause the plant cells to die, a process that involves a change in the chemical composition of the plant.
Additionally, the terms chlorotic (yellowing of leaves due to lack of chlorophyll) and necrotic (dead tissue) refer to conditions that are symptomatic of underlying chemical changes within the plant tissues. Therefore, exposure to poison and the resulting damage is a clear example of a chemical change.
Letter D is the part of the cell that makes proteins. What is letter D?
A) ribosomes
B) chromosomes
C) chloroplast
D) golgi apparatus
When molten material hardens into rock on the ocean floor, the domains of the iron it contains
a.
disappear.
b.
line up in the direction of Earth’s magnetic field.
c.
point in random directions.
d.
never become magnetic.
Answer:
Option B. line up in the direction of Earth’s magnetic field.
Explanation:
In a molten rock, traces of iron found align themselves in the direction of earth’s magnetic field. This happens because each tiny particle of iron in the molten rock act as a small magnet with magnetic north and south poles. These poles re-orient themselves as per the direction of earth’s magnetic field. This happens till the rock is in molten stage, once it gets solidified the minute magnets gets stable in one orientation.
Hence, option B is correct.
While students are studying a rock outcrop along the highway they discover a sedimentary rock layer that contains fish fossils what best explains why these fossils are there
The idea that younger rock layers are deposited on top of older rock layers in an undisturbed section of sedimentary rock can best be explained by which of Steno's principles?
A. principle of superpositionAnswer:
Option (A)
Explanation:
The law of Superposition was introduced by Nicolas Steno in the 17th century. According to this law, in an undisturbed sedimentary rock layers or sequence, the rocks that are found at its base are the oldest rocks and the rocks that are found at the apex indicates the youngest rocks.
In nature, all sedimentary sequences do not satisfy this principle, because sometimes, some sedimentary sequences are affected by several factors such as the plate tectonic activity, earthquake, and faulting.
The Steno's principles were a huge contribution to the field of geology.
Thus, the correct answer is option (A).
Suggest two ways that reflex reactions help maintain homoeostasis in the human body.
The two ways by which reflex reactions helps in the maintenance of homeostasis in the human body is by maintaining the breathing and by recognition of discomfort.
Homeostasis is a process which involves the state of internal and chemical conditions maintained by living systems.
Further Explanation:
The automatic, subconscious responses are called reflex reaction that changes within the body. There are two ways by which reflex actions helps in the maintenance of homeostasis in the human body are,
By the maintenance of breathing: By maintaining breathing is also serves as a reflex reaction for maintenance of homeostasis in the human body. The respiratory system is composed of lung, bronchi and further subdivision that are involved in the gaseous exchange. The alveoli is the tiny sac present in the lung which helped in the gases exchange In this process, alveoli diffuse oxygen into the blood and resorp carbon dioxide from the blood. By the recognition of discomfort level: In this process, the reflex action passes the message to the CNS that body movement causes discomfort and CNS analyse the message and convey it back to its actual site. When the person touches any hot object, the sensory nerves cells present in hands receive the signal and transfer it to the brain where brain analyse it and send the response through motor neuron to remove the hand.
Learn More:
Learn more about meiosis https://brainly.com/question/1600165Learn more about the process of molecular diffusion in a cell https://brainly.com/question/1600165Learn more about human sperm and egg cell https://brainly.com/question/1626319Answer Details:
Grade: High School
Subject: Biology
Chapter: Control and Coordination
Keywords:
Breathing, discomfort, alveoli, reflex action, gaseous exchange, oxygen, carbon dioxide, homeostasis, sensory neuron, motor neuron.
Giving brainly
How are seeds different from spores?
Question 7 options:
Seeds have endosperm which provides nourishment for a new plant, but spores do not have any stored food supplies.
Spores involve egg and sperm cells, while seeds do not.
Spores will germinate and must find good soil to survive. Seeds can survive in extremely harsh conditions.
Spores have an endosperm and involve sperm and egg cells, while seeds do not.
The most productive soils contain A) pesticides. B) fresh water. C) a large supply of producers. D) decomposers to recycle organic matter.
A scientist tries to mate the two similar-looking fruit flies Drosophila melanogaster and Drosophila simulans. But he finds that they are unable to produce viable offspring. What kind of evolutionary barrier could this be?
Runners sprinting short distances in a relay race and handing off a baton is an analogy that represents the way in which the neural signal jumps between the _____, or the breaks in the myelin sheath.
Runners sprinting short distances in a relay race and handing off a baton is an analogy that represents the way in which the neural signal jumps between the prions or the breaks in the myelin sheath.
What is wellness?The term wellness is defined as the characteristic or quality of being in good and fine health, mental, and social well being. Wellness is basically being in best physical and mental as well as social health.
There are several types of wellness such as spiritual wellness in which people feel to sacrifice for the nation, and for others. Emotional wellness is the type of wellness that implies to awareing and accepting one' reaction.
Physical wellness is the type of wellness in which you are physically fit and healthy and free from diseases.The term wellness is defined as the characteristic or quality of being in good and fine health, mental, and social well being. Emotional wellness is the type of wellness that implies to awareing and accepting one' reaction.
Therefore,Runners sprinting short distances in a relay race and handing off a baton is an analogy that represents the way in which the neural signal jumps between the prions or the breaks in the myelin sheath.
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Unlike animals, fungi
Unlike animals, fungi have a cell wall, which is made up of chitin, and they are non-motile.
What is a cell wall?A cell wall is an external structural layer that surrounds some types of cells. It may be hard, flexible, or occasionally rigid. It serves as a filtration system as well as structural support and protection for the cell.
Most plant cells, bacteria, algae, fungi, and certain archaea have cell walls. It is discovered that the cylindrical shape of the cell wall is resistant to high concentrations of both peptide and glycan flaws using an elastic model.
The cytoplasmic Golgi apparatus produces tiny vesicles that are the source of the cell wall. Consequently, the cell wall is a secretory byproduct of the cytoplasm of a plant cell. An animal cell does not have cell wall, while a cell wall is present in fungi.
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(Science question)
A magazine advertises a protein shake that claims it can help you gain muscle. The fine print at the bottom of the screen says “results are not typical.”
Why is this claim considered pseudoscience?
Pictures should be included in their results.
The information was delivered in a magazine.
The shake contents were not listed in the advertisement.
The results do not support the claims conclusion.
This claim is considered pseudoscience, as the result do not support the conclusion of the claim. The correct option is D.
What is an advertisement?Advertisement is the promotion or acknowledgment of any product or service. It is done by electronic media or paper media. It promotes the products so that people could know about them and use them.
The advertisement is about a protein shake, but the proper scientific results are not mentioned to get proof.
Thus, the correct option is D. The results do not support the conclusion of the claim.
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Why is it important to use water as a control group when testing reagents?
Please help!
Water is important as a control group when testing reagents because it serves as a comparison or standard in experiments. The outcome of the experimental group is compared to that of the control group (water) to determine the effects of the reagent.
Explanation:In biological experiments, water is often used as a control group because it is considered a universal solvent. When testing reagents, it's important to have a comparison or reference group, and water is usually the best base for this. Essentially, water provides the standard against which the effects of the reagent can be observed and measured.
Control groups play a crucial role in experiments by providing a baseline that enables the experimenter to compare the results of the experimental group. A reagent is a substance or compound used in lab tests to bring about a chemical reaction. If the reagent produced a change, we could determine that the result was due to the reagent and not some other factors because the same change did not occur in the water (control group).
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i need help asap please and thank you
i need help with questions 5-12
which event occurs in the fluid portion of the cytoplasm of a cell undergoing glucose metabolism
Multiple Choice
1. What does the notation TT mean to geneticists? (1 point)
two dominant alleles
heterozygous alleles
at least one dominant allele
one dominant and one recessive allele
The notation TT means two dominant alleles
The notation TT in genetics signifies an individual possessing two dominant alleles for a particular trait.
Explanation:In genetics, the notation TT represents an individual who has two dominant alleles for a particular trait. Each letter in this notation corresponds to one copy of a gene that an individual has inherited from his or her parents. So 'T' is a dominant allele and having two 'T's means both inherited alleles are dominant. The trait that is expressed in such a case is the trait related to the dominant gene.
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The powerhouse of the cell is a term referring to which of these structures?
The third stage of cellular respiration is the Krebs cycle the electron transport chain fermentation glycolysis
Answer:
I'm pretty sure glycolysis.
Explanation:
Only large environments can support different varieties of organisms.Do you agree?Explain ur answer.
Final answer:
No, it is not true that only large environments can support different varieties of organisms. Both large and small environments can be rich in biodiversity, and diversity of species is crucial for adaptation and survival in changing environments. Larger protected areas do generally support more ecosystems and larger populations.
Explanation:
The idea that only large environments can support different varieties of organisms is not entirely accurate. Different species are well-adapted to live in a variety of environments, both large and small. A small environment can still be rich in biodiversity, particularly if it provides a unique habitat or if the organisms within it have specialized adaptations allowing them to coexist. However, it is often true that larger protected areas can support a greater variety of ecosystems and larger wildlife populations, offering more opportunities for species to thrive.
It's a misconception that larger animals are more evolved than smaller ones like bacteria. Evolution is about the fit between an organism and its environment, not about size. Smaller animals often require less food and resources, which is why an environment may support a greater number of smaller species than larger ones. For example, numerous small insect species can coexist in a single small habitat because of their minimal resource needs.
Diversity of species increases the chance that at least some organisms will adapt and survive any major changes in the environment. This explains why there are so many different types of organisms. The current risks to biodiversity, which resemble a mass extinction, are critical reminders of the need to protect varying sizes and types of habitats to sustain biodiversity.
List the five characteristics a substance must have to be a mineral. Explain why coal and a glass marble are not minerals.
Minerals are naturally occurring, crystalized, inorganic, solid and have definite composition. Coal is an organic substance whereas glass is a non-crystalline solid so they are not minerals.
What are minerals?"A mineral is a chemical element required as an essential nutrient by organisms to perform functions necessary for life."The minerals are crystalline inorganic solid occurring naturally.They have definite composition.What do you mean by inorganic?"An inorganic compound is typically a chemical compound that lacks carbon–hydrogen bond."They are not obtained from living things.What do you mean by definite composition?This means that the substances have fixed proportions by weight.Coal is an organic substances derived from remains of plants and glass is a non-crystalline solid. So they are not termed as minerals.
Hence, the minerals are naturally occurring, crystalline inorganic solid, having definite composition.
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Which Of These Body Systems Is Made Up Of The Tissues And Organs Responsible For Collecting Fluid That Leaks From The Blood And Returning It TO The Blood
A. Excretory system
B. Cardiovascular system
C. Endocrine system
D. Lymphatic system
The lymphatic system is responsible for collecting fluid from tissues and returning it to the bloodstream, and it plays a vital role in the immune system. It includes lymph nodes and organs like the spleen and thymus that help filter and produce cells for immune defense. Option D is correct .
The body system responsible for collecting fluid that leaks from the blood and returning it to the blood is the lymphatic system [ option D is correct ] . This system includes a network of lymph vessels and ducts that transport lymph, a fluid containing white blood cells, proteins, and sometimes bacteria and viruses, from the tissues back into the bloodstream.
The lymphatic system also comprises lymph nodes and other organs like the spleen and the thymus, which are crucial in filtering pathogens and producing lymphocytes to fight infections.
An important function of the lymphatic system is to maintain fluid balance in the body by returning the fluid to the blood. This system plays a vital role in our immune system by defending the body against foreign organisms. In contrast, the cardiovascular system, often linked with the lymphatic system under the umbrella term circulatory system, is primarily responsible for transporting oxygen, nutrients, and waste products throughout the body.
Name two structural and two functional properties of proteins
Describe how proteins are made, packaged, and transported within the cell
Please answer like a 7th Grader
How many chromosomes does the fertilized egg cell of a mouse contain?
Which of the following describes an example of a potentially invasive species?
A. Fruit covered with fruit fly eggs is trucked from Mexico to Canada.
B. Racehorses are shipped by boat from New York to London
C. Coffee beans in burlap bags are flown from Africa to the U.S.
D. Tropical fish captured in an Indonesian river are packed on ice and shipped to a Seattle restaurant
What kind of scientific investigations do not involve observations
Brainiest, thx, and 15 points! It looks like a lot but its just an opinion question
Worldwide, about twice as many people eat a plant-based diet as eat a meat-based diet. A plant-based diet requires fewer resources to produce. It takes 28 calories of fossil-fuel energy to produce 1 calorie of protein from meat. In contrast, it takes only 3.3 calories of fossil-fuel energy to produce 1 calorie of protein from grain. With the population continuing to increase, some people believe it may be necessary to give up meat-based diets to ensure that there are enough resources to produce food for all people. Do you think that a plant-based or a meat-based diet is more nutritious, or are they both equally nutritious? Why does a plant-based diet require fewer resources to produce? Do you think people should eat less meat? Why or why not?
Answer:
i think they should but becuase i hecking love animals
Explanation:
Is a handheld can opener a system?
What is the difference between osmosis and diffusion?
A. Diffusion is the movement of molecules from an area of low concentration to an area of low concentration. Osmosis is the opposite.
B.Osmosis the movement of molecules from an area of low concentration to an area of low concentration. Diffusion is the opposite.
C. Osmosis is the movement of water across the membrane; Diffusion is the movement of molecules from a higher to a lower concentration. With or without the presence of a membrane.
D. Diffusion is the movement of water across the membrane; Osmosis is the movement of molecules from a higher to a lower concentration. With or without the presence of a membrane.
Please answer ASAP!
Osmosis is for movement of water molecules through a semi-permeable membrane whereas diffusion is for movement of molecules along the concentration gradient. Thus, option C is correct.
What is Osmosis?Osmosis is a term in which the water molecules move from a region of their high concentration to its lower concentration with the involvement of a semi-permeable membrane till an equilibrium is established.
Osmosis is a type of diffusion but here the use of semipermeable membrane is must. Energy is not required in this process as it follows the concentration down the gradient.
The factors that affect osmosis are the concentration of solutes in a solvent, osmotic pressure of the membrane, temperature, surface area and water potential of the system.
The practical application of osmosis is seen in water purification in a system. It is modified as reverse osmosis technology.
Osmosis, is thus a crucial phenomenon observed in the biological systems.
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The correct answer is option C. Osmosis is the movement of water across the membrane; Diffusion is the movement of molecules from a higher to a lower concentration. With or without the presence of a membrane.
Diffusion is the movement of molecules from high to low concentration, while osmosis specifically refers to the movement of water across a semipermeable membrane.
To understand the difference between osmosis and diffusion, it's important to define each term clearly:
Diffusion is the movement of molecules or ions from an area of high concentration to an area of lower concentration. This process continues down the concentration gradient until equilibrium is reached. Diffusion can occur in both liquid and gas phases and does not necessarily require a membrane.Osmosis is a special type of diffusion that involves the movement of water molecules across a semipermeable membrane. During osmosis, water moves from an area of lower solute concentration (higher water concentration) to an area of higher solute concentration (lower water concentration) to achieve balance in solute concentrations on both sides of the membrane.Explain why scientists believe the Abert’s and Kaibab squirrels are examples of speciation.
Scientists believe that the Abert's and Kaibab squirrels are examples of speciation because it is believed they were separated by plateau erosion that separated the forests and isolated the Kaibab population. This event caused speciation because the squirrels underwent geographic isolation.
What two substances are indicated by the cobalt chloride and the lime water tests? is it possible that other substances are produced when the candle burns?