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The effect of human disturbance on animal populations is _____.
unobservable
density-dependent
density-independent
stabilizing
Answer: density-independent
Explanation:
A limiting factor is the one which is responsible for the decrease in the growth , abundance and distribution of the population of a species in an ecosystem. It can be a living agent or a non-living agent. A density independent factor is the one which limits the growth of the population and it does not depend upon the density of the species population. A density dependent factor is the one which limits the growth and abundance of the population of the species on the basis of the density. More the density more profound will be the impact for example a disease is likely to be spread among the members of the population of a species.
The effect of human disturbance on animal is an example of density independent limiting factor as the human beings while using animal products or disturbing their habitats does not consider about the consequence of the affect. But some animals recover this loss by reproducing more progenies but others which cannot may extinct.
What structure carries exclusively sensory information toward the spinal cord?
A 17 year-old female has a bone marrow biopsy for examination as a potential volunteer stem cell donor for her mother who has acute monocytic leukemia (aml). what diagnosis code(s) is/are used for the typing of the stem cell specimens?
In tilman's experiments with diatoms, what was the outcome when the two species competed for silica?
Carpal tunnel syndrome is characterized by __________.
Someone who has the blood type AB had parents with _____ genes. incomplete dominant codominant heterozygous homozygous
A patient presents at the clinic after one week of taking pravastatin (pravacol) with reports of "just not feeling well." the nurse asks what liquid the patient has been taking their medication with, and the patient reports drinking a lot of grapefruit juice. the nurse should know that grapefruit juice increases the risk of which adverse effect?
Determine possible amino acid sequences for the mrna sequence shown below. 5\'–aucggacgaaagcgcu–3\'
In the final stage of the nuclear fuel cycle, the spent fuel must be transported, processed, and disposed of properly.
True
False
Answer: True
The nuclear fuel cycle involves the generation of nuclear energy in a nuclear reactor by utilizing various sources of radiations in a thermal power station. The nuclear fuel is sensitive to impact or friction. If it receives impact or friction, an explosion can occur. Therefore, these fuels should be transported in an appropriate container and should be dump either on shallow land or in water so that dumping does not result in air blast effects or explosion. Hence, final stage of the nuclear fuel cycle involves the spent fuel must be transported, processed, and disposed of properly.
Using no more than 13 propositions, compare and contrast the effects of the autonomic divisions.
Using no more than 13 propositions, create a Concept Map to compare and contrast the motor neurons in the somatic and autonomic nervous systems.
What are the functions of autonomic nervous system?The autonomic nervous system is a component of the peripheral nervous system that regulates involuntary physiologic processes including heart rate, blood pressure, respiration, digestion, and sexual arousal.
There are three branches to the ANS; the sympathetic nervous system, the parasympathetic nervous system, and the enteric nervous system.
With conditions like Type 2 diabetes, the damage can happen in many places throughout your body. The most likely symptoms of autonomic nervous system damage include: Heart rhythm problems.
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The cloud type can form from air converging and rising vertically (clouds of vertical development), and is associated with heavy downpours of rain.
Cumulonimbus clouds are the cloud type that forms from air converging and rising vertically, and is associated with heavy downpours of rain.
The cloud type that can form from air converging and rising vertically, and is associated with heavy downpours of rain, is called “cumulonimbus clouds.” These clouds are commonly known as thunderstorm clouds, which are tall, towering clouds that can reach high altitudes. They form when warm, moist air rises in an unstable atmosphere, causing the air to condense and form large cumulus clouds with vertical development. As the clouds grow taller, they can produce heavy rain, lightning, thunder, and even hail.
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How big (how many boxes total) will a two factor cross punnett square be?
The first law of thermodynamics states that ___.
The first law of thermodynamics states that energy can neither be created nor destroyed, but it can change from one form to another.
answer:B
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An 11-year-old child is sent to the school nurse reporting difficulty reading the blackboard in the classroom. the nurse assesses that the child does not have difficulty reading a laptop screen or reading books. what is the best action by the nurse
The scientist who suggested that energy can be created under certain conditions was a. Newton. b. Einstein. c. Wright. d. Pascal.
The fossil record indicates that the earliest hominids most likely originated on which continent?
Answer:
The correct answer is Africa.
Explanation:
Any member of the biological family Hominidae is known as a hominid. These are considered as the great apes that have become extinct and are living. At present, there are chimpanzee, orangutans, humans, and gorillas. The hominids originated on the continent Africa, mainly in the Eastern parts of Africa. The hominids dispersed to other continents from Africa.
Which type of microscope requires a nonmetal sample to be prepared for viewing by coating it with a thin layer of a conductive material? Compound light microscope Scanning electron microscope Transmission electron microscope Dissecting microscope
The type of microscope that requires a nonmetal sample to be prepared for viewing by coating it with a thin layer of a conductive material is the Scanning Electron Microscope (SEM).
What is Scanning Electron Microscope?A scanning electron microscope (SEM) is a type of microscope that uses electrons to image the surface of a sample. It provides high-resolution, three-dimensional images of the sample's surface topography and composition.
In an SEM, a focused beam of electrons is scanned across the sample surface. When the electrons interact with the atoms on the sample, various signals are generated. These signals, including secondary electrons, backscattered electrons, and characteristic X-rays, are detected and used to create an image.
The electron beam in an SEM is typically generated by an electron gun and focused using electromagnetic lenses. The scanning coils direct the beam in a raster pattern across the sample. By adjusting the beam intensity and scanning parameters, detailed images with high magnification can be obtained.
SEM is widely used in various scientific fields, such as materials science, biology, geology, and nanotechnology. It allows for the visualization and analysis of the surface features, morphology, and elemental composition of a wide range of samples, providing valuable insights into their microstructure and properties.
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Complete the following analogy: nucleus is to cell as___ is to gland. A. Hormone B. Golgi body
To complete the analogy, we would say the nucleus is to cell as the A. hormone is to gland. The nucleus directs the activities within the cell, and in a similar vein, glands control various functions by producing hormones.
The nucleus is the control center of the cell, directing the synthesis of ribosomes and proteins, just as a gland produces and releases hormones that regulate various bodily functions. In each case, the component mentioned plays a central role in the functioning of the whole. In analogy parallels, cytoplasm is to cytosol as a swimming pool containing chlorine and flotation toys is to the water.
Cytoplasm includes both the cytosol, which is the intracellular fluid, and the organelles suspended within it, much like a swimming pool's water includes both the water itself and the items floating in it. Similarly, diffusion is to spread as endocytosis is to engulf. Diffusion involves the spread of particles from areas of high concentration to low concentration, while endocytosis is a process by which a cell envelops material from the outside environment, bringing it into the cell in a vesicle.
Which is a better solvent of salt, based on the results? Why?
which of the following processes cycles matter through different parts of an ecosystem
Matter cycles in different parts of the ecosystem through different processes. Carbon, Nitrogen and water are the main biogeochemical cycles. Thus, the correct option is 1, 2, and 3.
What are Biogeochemical cycles?
The ways in which an element or compound such as water moves in between various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle. Biogeochemical cycles important include the water, carbon, nitrogen, phosphorus, and sulfur cycles.
Matter such as nutrients, cycles through ecosystem via processes that include physical and chemical changes. Example, plants and animals consume and then excrete elements in the physical environment which makes those elements available for yet other plants and animals.
Matter cycling is where matter moves inside the ecosystems. Matter is constantly cycling from place to place in various forms. Matter cycles both naturally and due to human activity.
Therefore, the correct option is 1, 2, and 3.
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Your question is incomplete, probably the complete question/missing part is:
Which of the following processes cycles matter through different parts of an ecosystem?
More than one answer may be correct.
1. the nitrogen cycle
2. the water cycle
3. the carbon cycle
A 16-year-old girl has been admitted to the emergency department after ingesting 20 g of acetaminophen (tylenol) in a suicide attempt. the care team would recognize that this patient faces risk for which of these complications?
How does the presence of a cavity containing fluid influence the amount of friction generated?
Answer:
The more fluid there is in the cavity, the less fluid there is generated. This is because the water cushions the force and lessens the friction. For instance, you will notice that if you rub your hands over a balloon filled with water, there isn't much friction at all.
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Write a complete step-by-step plan for dealing with a cut from broken glassware. Write your plan in list form in the order in which steps should be taken.
In the event of a cut as a result of a broken glass, a series of fundamental steps must be followed to prevent this situation from becoming more serious:
Immediately wash the area to avoid chips remaining in the cut. Assess the severity of the cut. Apply disinfectants to the area, such as hydrogen peroxide or alcohol. In the case of a slight cut, apply bandages; if the cut is serious, tourniquets. Suture the cut if necessary.Learn more in https://brainly.com/question/13196237
While the ovum is on its way to the uterus, a successful mating results in the presence of sperm cells in the fallopian tube. One of these sperm cells fertilizes the ovum. How does this event affect the corpus luteum?
describe how genetic differences number of offspring and death are related to the concept of natural selection
Natural selection of organisms is affected by such factors as genetic differences, number of offspring, and death.
What is natural selection?Natural selection is the process by which individuals who are better suited to its environment are selected naturally by environmental factors to survive.
Factors that affect natural selection include:
Genetic differencesNumber of offspringDeathGenetic differences ensure that those organisms with better genetic makeup survive.
The higher the number of offspring produced, the more the chances of survival.
An increased death rate among species reduces the chances of survival and vice versa.
Therefore, natural selection of organisms is affected by such factors as genetic differences, number of offspring, and death.
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Explain how trilobites meet each of the 4 criteria for being an index fossil.
Index fossils delineate the epochs of geologic time. In order for an organism to be considered as an index fossil it must possess at least one of the four characteristics: it must be unique, extensive, abundant and inadequate in geologic time. Most type of organism may be considered distinctive but not widespread which tolerate them to inhabit all over the world. While some are considered abundant that they were able to be developed as the most susceptible to environmental modification and destruction. Just like the trilobites, this is known as a precise example of index fossil for the Paleozoic rocks that is inhabit in all parts of the ocean. They develop new species throughout their being, which is according to some reports, lasted 270 million years from Middle Cambrian time to the termination of the Permian Period. Because of their ability to travel, they tend to dwell in global areas. The trilobites are huge that they can be used in a study even without a microscope and they are also hard-shelled invertebrates which make them petrified effortlessly.
Trilobites are considered excellent index fossils because they were geographically widespread, each species existed for a relatively short period of geologic time, they were abundant, and they have easily distinguishable features.
To understand why trilobites are considered to be good index fossils, we must first look at the four criteria that qualify an organism as an index fossil.
Geographic Distribution: Trilobites were marine animals found worldwide, which means they had a wide geographic distribution.Limited to a Short Span of Geologic Time: Though trilobites existed over a spread of time, individual trilobite species were present only for a short geologic time period. Trilobites first appeared more than 500 million years ago and existed for about 200 million years. Specific species within this time frame can be identified and correlated with particular geologic periods.Abundance: These ancient arthropods left behind a substantial number of fossils, indicating that they were abundant during their time on Earth.Distinguishable: Trilobites are easily recognisable due to their unique three-lobed, three-segmented body structure and bilateral symmetry, making each species of trilobite distinguishable from others.Collectively, these characteristics make trilobites excellent index fossils for determining the ages of rock layers. When scientists find trilobite fossils, they are able to narrow down the age of rock layers to specific periods within the Paleozoic Era.
The plasma membrane consists primarily of
Answer:
Phospholipids
Explanation:
The diameter of one algal cell is approximately
A 77-year-old client is brought to the emergency department by her son. the client has a severe headache and lack of sleep because "i am so worried about everything." her son says that she has heart failure and chronic schizophrenia. "in addition to all of her heart medicines, she is on aripiprazole, which was increased to 30 mg by her health care provider (hcp) 3 days ago." in addition to documenting all of the client's medications and exact dosages, the nurse should particularly investigate which factors? select all that apply.