The assertion is untrue. often occur uncontrolled in the head during specific sleep periods.
What is an example of a phenomenon?Things that happen naturally—phenomena—occur or show up without human intervention. Gravity, tides, moon, planets, volcano lightening, starling swarms, ant army, sandstorms, biochemical characteristics or oscillation, among countless more events, are examples of natural phenomena.
What makes a phenomenon significant?Phenomena play a crucial role in science teaching because they provide students with concrete, captivating instances of science in action. Students can witness a phenomenon, then inquire about it and conduct research to learn about how it operates. This is a fantastic way to encourage student curiosity.
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This is the organizational level between Family and Class in scientific classification schemes.
The organizational level between Family and Class in scientific classification schemes is in order like this domain, kingdom, phylum, class, order, family, genus, species.
What is organisation level in the living things?In the case of living things first of all they are made up of cell and the cell is known as the basic and fundamental unit of the living things, after that cells combined and they form tissue, or we can say that group of cell is known as tissue.
Tissues combined together and they form muscles and these muscles are of several types and after that muscles combined together and they form organ and each of the organ of the body is made up of different types of tissue. Like heart is made up of such type of tissue that never takes rest.
At last the organs or we can say that two three organs combined together to form the organ system of the body such as nervous system, respiratory system, and these systems combinedly form the whole organism.
Therefore, The organizational level between Family and Class in scientific classification schemes is in order like this domain, kingdom, phylum, class, order, family, genus, species.
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What is a cellular organelle? list 5 different organelles that a cell might possess, and indicate the function of each. also, specify which of these organelles carries its own dna. prof. morris only talked about two organelles in the lectures, but this is a topic that lends itself to an internet search?
What is the main evidence of life in the early universe
The main evidence of early life includes carbon with an organic signature in ancient zircon grains, microscopic filaments from ancient hydrothermal vents, and 3.5 billion-year-old stromatolites. These findings, along with the cosmic evolution of the universe, shed light on the beginnings of life on Earth.
Evidence of Early Life in the Universe
The main evidence of life in the early universe is derived from multiple sources, including geochemical signatures, fossil records, and geological formations. Geochemically, carbon found in 4.1 billion-year-old zircon grains suggests an organic origin, indicative of life. In addition, 3.8-4.3 billion-year-old microscopic filaments from hydrothermal vent deposits in Quebec, Canada, offer evidence of very early life forms. Furthermore, well-preserved fossil evidence, such as the 3.5 billion-year-old stromatolites found in Australia, confirms the existence of photosynthetic microbial mats. These findings, combined with the understanding of the Big Bang and the subsequent formation of stars and galaxies, help us map out the history of life's beginnings on Earth.
Scientists continue to explore other features that might have provided evidence of life on early Earth, which also assists in the current search for extraterrestrial life. The early atmosphere's composition, particularly before oxygen levels became detectable approximately 2 billion years ago, remains a focal point for understanding early life detection.
With the advances in astronomy, we can see a universe that has evolved significantly over billions of years, and through cosmology, originate a consistent picture of this evolution, from the cosmic microwave background radiation to the formation of the earliest atomic nuclei comprised of deuterium, helium, and lithium.
Which category most accurately describes waste such as food wastes, cardboard, cans, bottles, yard wastes, furniture, plastics, metal, glass, and e-waste??
Answer: Solid Type or solid wastes
Waste such as food wastes, cardboard, cans, bottles, yard wastes, furniture, plastics, metal, glass, and e-waste are categorized as solid wastes.
Solid waste is any garbage or rubbish that we make in our homes and other places. They are wastes that are non-liquid.
An irritation of the stomach lining results in:
a) ulcer
b) gallstones
c) hemorrhoids
d) appensicittis
The correct option is a. ulcer. An irritation of the stomach lining typically results in an ulcer, which is a sore in the stomach or duodenum lining. Gallstones, hemorrhoids, and appendicitis affect different parts of the body. Thus, the correct answer is an ulcer.
An irritation of the stomach lining often results in the formation of an ulcer. An ulcer is a sore that develops in the lining of the stomach or the duodenum, the first part of the small intestine. When such a sore occurs in the stomach, it is referred to as a gastric ulcer, and it manifests symptoms like severe abdominal pain and bleeding.
Other listed conditions like gallstones, hemorrhoids, and appendicitis are associated with other parts of the body and do not usually result from irritation of the stomach lining. Here's a comparison:
Gallstones: Hardened deposits in the gallbladder.
Hemorrhoids: Swollen veins in the lower part of the anus and rectum.
Appendicitis: Inflammation of the appendix.
Hence, the correct option is a.
Which three industries would be most directly affected if regulations and laws regarding deforestation became stricter?
- Timber industry
- paper industry
- electric industry
- furniture industry
- coal industry
Timber industry
Paper industry
Furniture industry
Using the hardy-weinberg principle, which expression represents the frequency of the homozygous recessive genotype?
What dictates the structure of a protein molecule synthesized by the body? the body's need for a protein the dna inside the nucleus of the cell the number of essential amino acids available the combination of proteins consumed in the diet?
The structure of a protein is determined by the DNA inside the nucleus of the cell, with each gene providing the code to construct a particular protein. Proteins are made of amino acids, some of which are essential and must be consumed in the diet. The combination of these amino acids determines the protein's structure and purpose.
Explanation:The structure of a protein molecule synthesized by your body is determined primarily by the DNA inside the nucleus of the cell. Each gene in your DNA provides the code necessary to construct a particular protein, a process called gene expression. This involves using amino acids, the fundamental building blocks of proteins, which are bonded together to form unique sequences. Some of these amino acids are essential, meaning the body cannot synthesize them and they must be consumed in the diet.
Free amino acids available in the body are used in a process called protein synthesis. If a particular essential amino acid is not available in sufficient quantities, protein synthesis can slow or even cease. Essentially, it is the combination of these amino acids that dictates the structure and ultimate function of the protein. Protein shape is also critical to its function, and most proteins in the body are globular, like enzymes.
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The ________ is a microtubule structure that binds to sister chromatids to separate them in anaphase
Which chambers of the heart below are the ventricles? Which chamber receives oxygen- poor blood from the body?
From past experience, it is known that 90% of one-year-old children can distinguish their mother's voice from the voice of a similar sounding female. a random sample of 20 one-year-old children are given this voice recognition test. calculate the variance.
Describe what happens in the nervous system when you duck your head to avoid an object flying toward it. 2. what protects the brain and spinal cord from injuries? 3. what does the cerebrum control? 4. name the lobes of the cerebral cortex, and identify a function of each lobe. 5. how does the brain control the endocrine system? critical thinking questions 1. explain how the case of phineas gage influenced the development of psychology. 2. give examples of activities or processes that are controlled by the somatic nervous system. 3. an elderly person suffered from a stroke that damaged part of his brain. he can speak easily, but his sentences make no sense. explain which area of his brain was most likely damaged. 4. assume that a pet scan was made of the brain of a person speaking and of the brain of a person smelling a flower. describe how you would expect the pet scan of each person's brain to look. 5. why is a home heating system a good model for the way that the thyroid gland is controlled by the pituitary gland and hypothalamus? describe how each system is controlled.
The nervous system coordinates bodily actions, including reflexes. The brain and spinal cord are protected by the meninges. The cerebrum controls voluntary movements and cognitive functions, while the hypothalamus controls the endocrine system.
Explanation:The nervous system coordinates and controls bodily actions, including reflexes, through the communication between the brain and other parts of the body. When you duck your head to avoid an object flying towards it, this action is coordinated by the brain, which sends signals through the nervous system to the muscles of the neck to quickly move your head out of the way.
The brain and spinal cord are protected by a set of three membranes called meninges, which act as a cushion to absorb shock and protect the delicate nervous tissue from injuries. The meninges also enclose and protect the cerebrospinal fluid that surrounds the brain and the spinal cord.
The cerebrum is the largest part of the brain and is responsible for higher cognitive functions. It controls voluntary movements, sensory perception, language, memory, and reasoning. It is divided into two hemispheres, each with four lobes: frontal, parietal, temporal, and occipital. Each lobe has its own specific functions, such as the frontal lobe being involved in decision making and problem-solving.
The brain controls the endocrine system through the hypothalamus, which is located in the brain. The hypothalamus releases hormones that signal the pituitary gland to release or inhibit the production of certain hormones. This allows the brain to regulate and control various bodily functions, such as growth, metabolism, and reproduction.
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Explain how chemical weathering differs from physical weathering.
Answer:
The difference is the way that each one works on rocks
Explanation:
Chemical weathering is related principally with water and its characteristics at the moment it enters in contact with the rock, like pH, salinity and others. This type of weathering changes the chemical characteristics of the rock and ist minerals, changings its originals components. It may happen as hydrolisis, hydration, disolution and oxidation.
Physical weathering implies mechanical actions related with temperature changes and tectonic forces that may fracture the rock and make smaller and smaller, giving space to chemical weathering to keep acting on the rock until it becomes just sediment. Physical weathering can occur as gelation, minerals growth, lagging or desiccation.
There's another kind of weathering: The biological one. It is related with animals actions like making caves for living or plants growth into the rocks.
At a prenatal appointment, a 26 year old woman who is 3 months pregnant confides to you that she ingests starch because of a craving she has had since adolescence. what would be your most appropriate response
Final answer:
The woman's craving for starch may indicate pica, a condition linked to iron deficiency. It is crucial for her to discuss this with her healthcare provider to ensure proper nutrition for herself and the fetus.
Explanation:
The ingestion of starch by a pregnant woman as described can be related to a condition known as pica, which is the consumption of substances with little or no nutritional value and is more common during pregnancy. In this particular case, the craving for starch she has experienced since adolescence has persisted into her pregnancy. It is important to discuss this craving with healthcare professionals as pica can be associated with nutritional deficiencies, such as iron deficiency, and could pose risks to both the mother and fetus if it leads to the consumption of non-food substances or replaces nutritious foods in the diet.
As a tutor on the Brainly platform providing assistance to the student, the most appropriate response would be to recommend that the woman speak with her healthcare provider about her starch cravings. Her provider can assess for nutritional deficiencies and provide appropriate guidance or referrals, possibly including dietary supplements or counseling if needed. This is especially critical during pregnancy, where nutritional choices impact both fetal development and the woman's health.
Pregnant women's cravings, such as this, should be taken seriously as they may signify underlying health issues that require attention. Consistent prenatal care is critical to monitor and support the health of both the mother and the developing baby throughout pregnancy.
Cartels are easy to form and to maintain.
a. True
b. False
Which mechanism of genetic variation results from the exchange of gene segments between non-sister chromatids?
A.Crossing over
B. Independent assortment
C.Random fertilization
The mechanism of genetic variation results from the exchange of gene segments between non-sister chromatids is called crossing over. So, the correct option is (A).
Crossing over is the process of exchange of genetic material between two non-sister chromatids in meiosis. It occurs in the pachytene stage of prophase. Two chromosomes one from the mother and one from the father line up and the parts of the chromosome are exchanged.
Crossing over promotes genetic diversity. Chiasmata is formed as a result of crossing over.
Thus, option (A) crossing over is correct.
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Because the concordance rate for bipolar disorder among identical twins is _____, biological causal explanations are _____.
Bipolar disorder is a mood disorder characterized by alternating periods of mania mental illness marked by periods of great excitement, euphoria, delusions, and overactivity), and depression.
Concordance rates or the presence of bipolar disorder among identical twins is reported to be as high as 85%. Biological causal explanations are: there is considerable overlap between the genes and imbalances in serotonin activity. Omega-3 fatty acids are reported to provide protection from bipolar disorder
How does conservation affect biodiversity? It helps to preserve climate change. It decreases species diversity. It helps to preserve biodiversity. It decreases ecosystem diversity.
A conservation biologist has determined the status of the ecosystems in a protected area, It helps to preserve climate change. It decreases species diversity.
It helps to preserve biodiversity.
How is conservation related to biodiversity?The conservation helps to maintain flora, fauna, microbial and genetic sources for food production, farming, and habitat functions such as fertilizing the soil, recycling minerals, taking care of pests and disease, maintain erosion, and pollinating.
Thus, t helps to preserve biodiversity.
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Answer: Helps to preserve biodiversity
Explanation: :)
Which of the following provides the best evidence for the idea that multicellular organisms are composed of highly organized arrangements of differentiated cells? A. The chloroplasts of a plant cell capture light energy that can be used to make food. B. A mouse cell divides into two identical daughter cells through the process of mitosis. C. A frog cell obtains energy from the bonds of food molecules through cellular respiration. D. Sheets of bone cells in a rabbit's body are connected to muscle cells that allow movement.
Multicellular organisms are those composed by multiple cells. The option (A) provides the best evidence for the idea that multicellular organisms are composed of highly organized arrangements of differentiated cells.
What are multicellular organisms?Multicellular organisms, composed of multiple similar cells, occur widely within the eukaryotic tree of life, and a few of these evolved into more complex multicellular organisms characterized by differentiated tissues and organs.
Animals, plants, and fungi are multicellular organisms. Multicellular organisms are much bigger in size and are very complex and intricate in their composition along with structure. Human beings, animals, plants, insects are examples of multicellular organisms.
Examples are Amoeba and Paramecium. The organisms that we can see with our eyes have many cells and hence are all multicellular organisms. Bear is a multicellular animal.
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Final answer:
The best evidence for the idea that multicellular organisms consist of organized arrangements of differentiated cells is shown by the sheets of bone cells connected to muscle cells in a rabbit, as it demonstrates specialized cell functions working together to permit movement.
Explanation:
The best evidence among the options provided is D. Sheets of bone cells in a rabbit's body are connected to muscle cells that allow movement. This is because it demonstrates how different types of cells in a multicellular organism have specialized functions and are organized in a way that enable the organism to perform complex tasks, like movement. Each type of cell has a specific role, and they work together in a coordinated way.
Chloroplasts are specialized organelles found in plant cells that capture light energy through the process of photosynthesis and are important for energy conversion. However, chloroplasts alone do not best demonstrate the highly organized structure of differentiated cells within an organism. Similarly, the processes of cellular respiration and mitosis are vital for the functioning and growth of cells, but they do not directly illustrate the concept of cell differentiation and organization within a multicellular organism, making them less relevant options.
biodiesel is often produced using
The diagram shown above, illustrates the _______ cycle. A) carbon B) nitrogen C) phosphorus D) water
the answer is carbon i had just taken the test.
It has been claimed that going into space is important for scientific development. Is that true? What scientific breakthroughs have come about through the space programs?
Final answer:
Space exploration has been crucial for scientific development, leading to breakthroughs in technology, materials, and environmental understanding. It catalyzed research, education, and new industries, while instigating philosophical discussions on humanity's future. The balance of costs, risks, and benefits continues to fuel the debate on the direction of future space endeavors.
Explanation:
Importance of Space Exploration for Scientific Development
The question of whether going into space is important for scientific development indeed confirms the significant role that space exploration has played in advancing human knowledge and technology. Space programs have led to numerous scientific breakthroughs across various fields including but not limited to engineering, materials science, and environmental science. These advancements benefit both space-related activities and numerous other sectors of the economy and everyday life.
Noteworthy accomplishments from space exploration include:
Development of new materials and technologies that have been adapted for use on Earth, such as memory foam and scratch-resistant lenses.Advancements in telecommunications technology, including satellite TV and GPS systems.Improved weather forecasting and climate monitoring through Earth observation satellites.Enhancements in computer technology driven by the need for miniaturization and increased processing power.Federal funding for research and development increased as a result of the space race, which spurred growth in science education and the emergence of new industries. The Planetary Society's recent developments in light-propelled spacecraft demonstrate ongoing innovation and potential for future scientific breakthroughs.
Debates on whether humanity should continue manned space exploration, establish habitats on the Moon, or undertake missions to Mars invoke various arguments. The reasons behind continuing these ambitious endeavors include scientific curiosity, potential for resource utilization, advancements in technology, and the intrinsic desire for exploration as part of humanity's 'destiny in space'. However, the counterarguments stress the high costs, risks, and practical challenges associated with such missions, as well as emphasizing the importance of addressing Earth's challenges first.
The profound impact of space exploration on society, along with the awe-inspiring images of Earth from space, foster a deeper appreciation for our planet and underscore the interconnectedness of all life. The discussion around human exploration of space and the possibility of colonization opens up broader philosophical and societal questions about our place in the universe.
The function of the pollen tube is to select one:
a. digest the sporophyte tissue as it elongates toward the female gametophyte.
b. produce pollen.
c. attract animals to the plant to spread the pollen.
d. direct pollen to the megasporangium.
e. eject pollen from the microsporangium.
The right option is a. digest the sporophyte tissue as it elongates toward the female gametophyte. The pollen tube transports sperm cells from the pollen grain, from the stigma to the ovules at the base of the pistil containing the female gametophyte.
Which law did the U.S. Congress pass as a response to the Dust Bowl?
Prokaryotes will take up foreign dna . How is this characteristic used in genetic engineering
Porth's the composition of the cerebrospinal fluid is similar to extracellular fluid with the exception of
A gene is physically located on a _____ in the nucleus of a cell.
The answer is DNA. DNA is vital for all living beings and this is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine. There are three main functions of DNA to our body, this facilitate occurring mutations and even in a single nucleotide. Then it forms RNA and proteins and this exchange the genetic material of parental chromosomes during meiotic cell.
Many sports organizations have banned the use of _____ by athletes.
a. colloidal ligands
b. anabolic steroids
c. herbal extracts
d. branched chain amino acids
1. What is the coding system used to help consumers identify the type of plastic a container is made from
Resin identification coding system
Resin identification coding system is introduced as a means of helping consumers and recyclers to identify the type of plastic resin from which a bottle or a container is produced from. Manufacturers follow the coding system by placing a number or SPI code on each plastic product and the code are usually molded into the base of the products. For example, plastics marked with an SPI Code of 1 are made with polyethylene terephthalate (PET).
Mendel discovered that yellow seed color in pea plants is dominant to green. what offspring genotype probabilities are expected for a cross between a plant that produces yellow seeds (heterozygous genotype) and one that produces green seeds