Explain the importance of biodiversity to an ecosystem. in your answer, be sure to:
The set-point theory suggests that when a person is on a restrictive diet, the body responds by initiating physiological changes that
What are the three jobs done by the blood vessels cilia and mucus in your nasal cavity?
The three jobs done by the blood vessels cilia and mucus in the nasal cavity are to warm, moisten, and fill the air.
What is cilia in nose?The nasal cavity, mouth, throat (pharynx), and voice box are the main routes and structures of the upper respiratory tract (larynx). A mucous membrane that secretes mucus lines the respiratory tract.
Smaller particles like smoke or pollen are captured by the mucus. Cilia, which resemble hairs, line the mucous membrane and transport mucus-trapped particles outside the nose. The tissue that lines the nasal cavity moistens, warms, and purifies the air that is inhaled.
The nose serves as both an organ of smell and a major airway for air to enter and exit the lungs. Before air enters the lungs, it is warmed, moistened, and cleaned by the nose.
Therefore, The three jobs done by the blood vessels cilia and mucus in the nasal cavity are to warm, moisten, and fill the air.
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Final answer:
The blood vessels warm and humidify air, cilia trap and remove particles, and mucus carries these particles toward the throat for expulsion or swallowing.
Explanation:
The three jobs done by the blood vessels, cilia, and mucus in your nasal cavity are warming and humidifying the air, trapping and removing particles, and moving the mucus with trapped particles toward the throat. Blood vessels in the nasal cavity help warm the air to body temperature and add moisture to it. Cilia, which are microscopic, hair-like projections on the cells lining the airways, work in conjunction with mucus to trap dust, germs, and other foreign particles. The cilia then move in a wave-like motion, creating a mucociliary escalator that propels the mucus and trapped particles toward the throat where they can be swallowed and destroyed by the stomach acids.
What do scientists know about extrasolar planets? There are very few that are habitable. There are several that have liquid water on them. They don’t exist. There are likely billions of them in the galaxy.
i believe the answer is the 3rd one
there are likely billions of them in the galaxy
As part of a simulation of evolutionary process, a teacher drops 500 red and 500 green jelly beans on green grass. the red and green jelly beans represent individuals of the same species. students represent predators and pick up as many jelly beans as possible in 30 seconds. which prediction is most accurate?
Final answer:
In a simulated evolutionary process using jelly beans as prey and students as predators, it would be predicted that more red jelly beans would be picked up than green ones due to the green jelly beans' camouflage in a green grass environment, illustrating natural selection.
Explanation:
In the jelly bean simulation, the most accurate prediction would involve predation pressure and camouflage. As the simulation takes place, students will likely pick up more red jelly beans than green jelly beans because the red ones will stand out against the green grass, and the green ones will be harder for the 'predators' students to see. This represents a selection pressure similar to that in nature, where individuals that blend into their environment are less likely to be preyed upon, and therefore, more likely to survive and reproduce.
If the red jelly beans are deemed to be eaten and thus removed from the gene pool, we would expect the population of jelly beans over subsequent generations to have more green individuals. This simulation represents natural selection, where the green jelly beans have a survival advantage in this environment due to their camouflage, a form of natural selection that can lead to evolutionary changes in the population over time.
An acute or chronic skin inflammation characterized by erythema, papules, vesicles, pustules, scales, crusts, scabs, and possibly itching, is known as
"The correct term for the skin condition described is ""dermatitis.""
Dermatitis is a general term that encompasses a range of skin conditions characterized by inflammation of the skin. The symptoms mentioned, such as erythema (redness), papules (small, raised bumps), vesicles (small fluid-filled blisters), pustules (pus-filled blisters), scales (flaky skin), crusts, scabs, and itching, are all indicative of various forms of dermatitis. This condition can be acute, with a sudden onset and short duration, or chronic, with symptoms persisting over a longer period. The causes of dermatitis can vary widely, including allergic reactions, irritants, genetic factors, and systemic diseases. Treatment depends on the cause and may include topical corticosteroids, antihistamines, and lifestyle modifications to avoid irritants and allergens."
Both Earth and the planet Venus have a large amount of water vapor in the atmosphere, and have extensive volcanic activity throughout history. Does this observation support or disprove the inside-out model? Supports, because Venus is near Earth and would have been hit by all the same comets. Disproves, because a single observation can discredit a theory. Disproves, because data taken on Venus is not applicable to Earth. Supports, because it shows that volcanic activity may be related to water vapor.
Supports, because it shows that volcanic activity may be related to water vapor.
In an ecosystem, can there be more carnivores than herbivores? Explain why or why not?
The myelination of central and peripheral axons occurs rapidly through the first few years of life. how can this development process explain the improved motor abilities of infants and toddler
The development of the myelination of central and peripheral axons occurs rapidly through the first few years of life due to the fact that without myelination, information about limb movement moves slowly to the CNS, and motor commands move slowly back to the muscles.
What is Myelination?Myelination may be defined as the process through which brain oligodendrocytes produce layers of myelin that wrap around the neuronal axons and act as a layer of insulation for the transmission of electric action potentials down the neuronal axon.
Myelination is an important developmental process that begins during the fifth fetal month with myelination of the cranial nerves and continues throughout life.
Without actual myelination, information related to limb movement moves gradually to the part of the central nervous system and motor commands move slowly back to the muscles. By the time the motor command has reached the muscle, it may no longer be appropriate.
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what disorders are found on chromosome 17?
Answer:
List the genetic disorders found on chromosome 17.
Tumor suppressor protein
Charcot-Marie-Tooth syndrome
Breast cancer
Explanation:
vertebrates and tunicates share _____.
Vertebrates and tunicates share a common chordate ancestry
Vertebrates and tunicates share a common ancestry and are both members of the phylum Chordata. Chordates are characterized by the presence of a notochord, a flexible rod-like structure that provides support.
During their embryonic development, both vertebrates and tunicates possess a notochord, which is one of the defining features of the phylum Chordata.
The notochord, typically present in the early stages of development in both groups, plays a crucial role in providing structural support.
In vertebrates, the notochord is eventually replaced by the vertebral column, while in tunicates, it regresses as they mature into their adult form.
Additionally, both vertebrates and tunicates exhibit a hollow, dorsal nerve cord, another distinctive characteristic of chordates.
This nerve cord develops into the central nervous system, which is the brain and spinal cord in vertebrates, and a simplified nerve ganglion in tunicates.
Despite these similarities, it's important to note that tunicates and vertebrates have significantly diverged in terms of their adult morphology and lifestyle.
Vertebrates are complex, multicellular organisms with well-developed nervous, circulatory, respiratory, and skeletal systems.
In contrast, tunicates, also known as sea squirts, are simpler, filter-feeding marine organisms.
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How does the top level of an energy pyramid compare to the bottom level of that energy pyramid?
Answer:
The top level of an energy pyramid has minimum energy and the bottom level has maximum energy.
The producers that make food by the help of photosynthesis has maximum energy.
As the pyramid reaches the top the energy decreases as per the 10 per cent law. The top carnivores has the minimum energy.
What is desertification? How are nomads and droughts related to this process? (Site 2)
Desertification is the process by which vegetation in drylands i.e. arid and semi-arid lands, such as grasslands or shrublands, decreases and eventually disappears
Nomads practice desertification
What is desertification?Desertification is the process by which vegetation in drylands i.e. arid and semi-arid lands, such as grasslands or shrublands, decreases and eventually disappears.
Activities that nomads practice, such as deforestation and overgrazing, further advance the desertification process in vegetated areas.
Droughts occur when there are drier than normal conditions in an area, impeding vegetation growth and surface water accumulation. These two factors contribute to desertification
Nomads and drought are related to this process as their activities and the environmental conditions they face
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which hormone aids in water resorption?
Aldosterone is the hormone that aids in water resorption by promoting the reabsorption of sodium and the retention of water.
Explanation:The hormone that aids in water resorption is aldosterone. It is released from the adrenal cortex and promotes the reabsorption of sodium by the nephron, which in turn promotes the retention of water. Aldosterone is important in regulating potassium and has a dual effect on both minerals.
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"if you wanted to portura, where would you look?" in the soil in leafe litter under stones or bark in animal burrows all of these places
You observe that a mystery organism in a pond never comes up to the pond's surface. if you are able to catch one of these organisms, bring it to the lab and dissect it, you should find ______________.
What three mechanisms regulate the heart?
Determine if the statement is true or false.
The idea of uncontrollable criminal impulses based on an offender's genetic makeup was proven by the Human Genome Project.
False
True
Answer:
The statement is false.
Explanation:
The human genome project was scientific research that took place globally with the aim of determining the genes that make up the human genome and information about the sequence of base pair of nucleotide forms human DNA.
It was used to find out the map and identify all genes of the human genome with function and physical aspect.
Thus, the correct answer is - a false statement.
The part of the neuron that carries messages toward other neurons is called the
During fertilization in multicellular organisms, a sperm cell fuses with an egg cell to form a zygote. then, the zygote begins to divide. first, one cell becomes two, then two cells become four, four cells become eight and so on and so forth until a large ball of identical cells is formed. at this point, the ball begins to change. a space forms in the middle, and the cells are pushed inward to form layers. if cell differentiation begins after this phase, what most likely triggers this process?
the formation of the layers
The USGS estimates that the United States uses less than 200 billion gallons of water a day. Please select the best answer from the choices provided T F
The answer to this question is FALSE :)
What is the vascular ring around the pituitary gland?
if retinal detachment occurs in the macula lutea, one can predict that there would be a significant loss of ______.
An eosinophil is a white blood cell involved in controlling infections. It is surrounded by red blood cells that carry oxygen. The white blood cell is part of the _________________system, while the red blood cells are part of the ____________________ system.
Answer:
White blood cell - immune
Red blood cell - Circulation.
Explanation:
Blood is composed of the formed elements and the plasma. The formed elements of blood are red blood cells, white blood cells and platelets. The plasma contains proteins and ions.
The white blood cells contain eosinophils, neutrophils and the B cells and T cells that plays an important role in the immune system. The white blood cells protect the body from the pathogens. The red blood cells are involved in the circulation process of the body that carries the material and products from one side of the body to another.
Thus, the answer is White blood cell - immune
Red blood cell - Circulation.
The eosinophil, a type of white blood cell, is part of the immune system, while red blood cells, which carry oxygen, are part of the circulatory system.
Explanation:An eosinophil is a type of white blood cell that plays a crucial role in the immune system. It helps our bodies fight infections by destroying foreign substances. Therefore, the eosinophil is part of the immune system.
On the other hand, red blood cells, also known as erythrocytes, are primarily responsible for carrying oxygen from the lungs to the rest of the body. Thus, red blood cells are part of the circulatory system.
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Why is nitrogen essential to the growth of a fungus, but not to the spread of rust?
Without amino acids, plants cannot make the special proteins that the plant cells need to grow.
Without adequately nitrogen, plant growth is impacted negatively. With too much nitrogen, plants produce excess biomass, or organic matter, such as stalks and leaves, but not enough root structure.
Why is nitrogen useless to animals?Nitrogen is needed both by Plants and Animals because it is the major constituent of proteins, vitamins, hormones etc.
Nitrogen is a crucially significant component of life. Every living organism including plants and animals requires nitrogen for its growth and development.
Thus, Without adequate nitrogen, plant growth is impacted negatively.
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Nitrogen is essential for the growth of a fungus, but not for the spread of rust.
Explanation:Nitrogen is essential to the growth of a fungus because it is a critical component of amino acids, which are the building blocks of proteins. Fungi use proteins to carry out various cellular functions, including growth and development. On the other hand, rust is a type of fungus that primarily spreads through asexual reproduction. It does not require nitrogen for its spread because it produces spores that can be easily dispersed by wind or water.
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Which vitamins and minerals promote healthy bones?
.
How do marine biomes affect temperature on land?
Currents transport oxygen and cool the air above.
Currents transport oxygen and warm the air above.
Currents transport cold and cool the air above.
Currents transport heat and warm the air above.
Answer:
Currents transport heat and warm the air above.
Explanation:
Ocean biome is a biotic community that is present in the ocean. An ocean biome is the largest biotic community that supports and allows various marine life-forms to thrive and live. An ocean biome supports all sorts of marine life-forms right from fishes to whales, along with other exotic creatures.
What percent of earths water is found in the ocean ?
Captive breeding programs are used to
During which period did rodents, marsupials, primates, and hoofed animals first appear in north america
Final answer:
Rodents, marsupials, primates, and hoofed animals first appeared in North America during the Paleocene to Eocene epochs within the Cenozoic era, with significant diversification by the end of the Oligocene.
Explanation:
Rodents, marsupials, primates, and hoofed animals first made their appearance in North America during the Paleocene to Eocene epochs within the Cenozoic era. By the beginning of the Eocene epoch, approximately 56 million years ago, we see the emergence of the first true primates and other mammalian orders. During the late Eocene, these groups started to diversify, and by the end of the Oligocene, around 23 million years ago, the first large-bodied herbivores and specialized carnivores appeared.
The paleontological evidence indicates that early forms of modern mammals including proto-primates and the ancestors to today's rodents and hoofed animals existed during these epochs. As the Eocene gave way to the Oligocene epoch, mammalian life in North America began to exhibit greater variety and adaptation to their respective niches, including the evolution of various primate groups.