Which of the following is NOT an example of microbial antagonism (also known as competitive exclusion)
Answers
"Symbiotic relationship between nitrogen-fixing bacteria and legume plants."
Microbial antagonism, or competitive exclusion, refers to the phenomenon where one microorganism inhibits the growth or survival of another microorganism. It is a form of competition between microbes. Examples of microbial antagonism include the production of antimicrobial compounds by one microbe that inhibits the growth of another microbe, competition for nutrients or space, and the secretion of inhibitory enzymes. In contrast, the symbiotic relationship between nitrogen-fixing bacteria and legume plants is not an example of microbial antagonism. Instead, it is a mutually beneficial relationship where the bacteria provide the plant with fixed nitrogen, and the plant provides the bacteria with nutrients and a protected environment.
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Related Questions
How should the model be labeled to describe the chromosomes during meiosis?
A
B
C
D
Answers
Answer:
i believe its C
Explanation:
in an experiment, an animal was provided multiple strings, one of which would provide food when pulled. the animal pulled the strings until the food was obtained. what does this say about animal problem solving?
Answers
From this experiment we can say that the animals learned from previous experiences.
Animals must be able to solve problems to access food and avoid predators. Problem solving is not a complicated process, often relying only on animals exploring their surroundings, and being able to learn and remember information.
Animals solve problems by trial-and-error or insight or sometimes when peers are present, through social learning. In trial-and-error, reward for correct responses and lack of reward for incorrect responses gradually increases the probability of a correct response. Another study indicated that after undergoing training to solve a simple manipulation task, dogs faced with an unsolvable version of the same problem look at the human, whereas socialized wolves do not.
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Which system in the frog produces chemicals that regulate functions in different parts of its body?
A. respiratory system
B. excretory system
C. endocrine system
D. circulatory system
Answers
Answer:
C. endocrine system\(\)
forensic science question
During which stage of postmortem decomposition do the eyes first become cloudy?
a. dry decay
b. initial decay
c. putrefaction
d. black putrefaction
Answers
Answer:
Initial Decay
Explanation:
Usually happpens around 2-3 hours after death
Answer:
B. Initial Decay
Cross a blue fish (BB) with a yellow fish (B'B'). Color code
the Punnett square based on the resulting phenotypes if
these fish follow the incomplete dominance inheritance
pattern.
Answers
A blue fish (BB) and a yellow fish (B'B') are crossed, and this is an incomplete inheritance, so all the offspring in F1 will show green color, and when these two cross (BB'), then blue, green, and yellow offspring will form.
What is the incomplete dominance of fish?Here the dominant color is blue and the recessive color is yellow, as the heterozygous fish will produce green color, so in F1, all offspring will be green, and when they are crossed, in F2, all three colors, green, yellow, and blue, will produce. The punnet square is below
Hence, a blue fish (BB) and a yellow fish (B'B') are crossed, and this is an incomplete inheritance, so all the offspring in F1 will show green color, and when these two cross (BB'), then blue, green, and yellow offspring will form.
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A weather system is shown moving through the Great Plains region of the United States in the map here. Which data could be collected in order to determine the movement and severity of the storm shown here? Select ALL that apply.
A) measuring the wind speed within the storm system
B) measuring the air temperature to the east of the storm system
C) measuring the humidity level to the south of the storm system
D) measuring the ground temperature on the west side of the storm system
E) measuring the barometric air pressure on both sides of the storm front
Answers
Answer:
A) B) E)
Explanation:
A) measuring the air temperature to the east of the storm system
B) measuring the barometric air pressure on both sides of the storm front
E) measuring the wind speed within the storm system
Since storms are caused by atmospheric circulation, changes in temperature, and pressure, the best metrics to use to predict the storm system's movement has to do with wind, wind direction, and pressure/temperature of the air. The ground temperature and the humidity are less important.
Answer:
A B E i agree i did a test on this. Its right
Explanation:
A) measuring the wind speed within the storm system
B) measuring the air temperature to the east of the storm system
E) measuring the barometric air pressure on both sides of the storm front
In certain lizards, the ability to lose the tail if attacked by a predator serves a protective function. These types of physical characteristics that help organisms to survive are best known as
Answers
The ability of certain lizards to lose their tail if attacked by a predator is an example of a protective function exhibited by physical characteristics, which are commonly referred to as adaptations.
Physical characteristics that aid organisms in their survival are called adaptations. These adaptations can be structural, physiological, or behavioral in nature. In the case of certain lizards, their ability to shed their tail when attacked by a predator is a defensive adaptation that helps them escape from potential harm.
1. Adaptations: Adaptations are traits or features that have evolved in organisms to enhance their chances of survival and reproduction. These can include anatomical structures, physiological processes, or behavioral patterns.
2. Defensive Adaptations: Defensive adaptations are specifically geared towards protecting an organism from harm. In the case of lizards, the ability to shed their tail, a behavior known as autotomy, is a defensive adaptation.
3. Autotomy: Autotomy is the self-amputation or shedding of a body part by an organism. Lizards, such as certain species of geckos or skinks, have developed the ability to voluntarily shed their tail when under attack. The detached tail continues to move, distracting the predator and allowing the lizard to escape.
4. Protective Function: The ability to lose the tail serves a protective function by allowing the lizard to survive encounters with predators. By sacrificing their tail, lizards can increase their chances of survival by diverting the predator's attention and facilitating their escape.
In summary, the physical characteristic exhibited by certain lizards, where they can lose their tail if attacked by a predator, is an adaptation that serves a protective function. This ability, known as autotomy, enhances their chances of survival by enabling them to escape from potential predators.
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the leaf-like structure that protects a developing flower bud until it opens as a fully formed flower is called a what
Answers
Sepals is a leaf-like structure that protects a developing flower bud until it opens as a fully formed flower.
What is a Sepal?
A sepal is a part of the flower that is typically located at the base of the petals. Sepals form a protective layer around the bud and are usually green in color. They are typically small and leaf-like and provide support and protection for the flower. Sepals can also be used to identify different species of flowers.
They are usually found in pairs or in a whorl of four or five, and they help to protect the delicate petals and reproductive organs at the center of the flower. They also support the flower and keep it upright. Sepals open up as the flower blooms, allowing the petals to open and the reproductive organs to be exposed.
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Neutral pH is ______.
Choose one answer.
a. 7
b. 5
c. 0
Answers
Answer:
7
Explanation:
Answer:
According to the pH scale
A. 7 is the correct answer
Every few
years, a farmer plants clover in a wheat
field. Explain how this practice might
benefit the farmer.
Answers
This practice will benefit the farmer in fixing the nitrogen in the soil
What is clover?
Clover is a member of the distinguished legume family. On the roots of legumes are bacteria that can convert atmospheric nitrogen into a form that plants can use. Plants utilize nitrogen in large quantities since it is a component of chlorophyll. The farmer enriches the soil with plenty of nitrogen and organic matter by planting clover and plow it beneath. A crop would be seeded after allowing the organic matter to decompose.
Advantages of clover in agriculture:
Clover is a Fixer of Nitrogen.
Clover is a legume crop that is a member of the bean and pea plant family. It helps the soil fix nitrogen. In other words, it works with helpful bacteria to convert nitrogen gas that is present in soil air pockets into stable organic molecules that feed nearby plants.Animals Love It
Because it is so nutrient-rich, clover provides farmers with a high-protein meal for their animals and enhances digestibility. Leaner meat and more nutrient-rich milk are produced as a result of reducing mineral deficiency, which can cause a number of illnesses and problems.Additionally, clover can be used as poultry feed for chickens, geese, and birds (and even humans - clover is edible and its colorful flowers can really make a salad pop).Positive insects and pollinators I adore it, too
Honey bees are drawn to the readily available nectar found within the small florets of white clover and crimson clover, which is why clover honey isn't simply a smart name. Clover, dandelions, and other "weeds" have been eliminated, and this has resulted in a sharp fall in bee populations, according to scientists.Hence clover practice is beneficial to farmers
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what change to the sound wave depicted in the top graph would cause the neuron in the bottom graph to fire less often?
Answers
A change to the sound wave depicted in the top graph that would cause the neuron in the bottom graph to fire less often could be a decrease in the amplitude or intensity of the sound wave.
This decrease in energy would result in a weaker signal reaching the neuron, causing it to fire less frequently. Additionally, a change in the frequency or pitch of the sound wave could also affect the neuron's firing rate, as different frequencies activate different neurons in the auditory system. A decrease in the frequency of the sound wave may result in the neuron firing less often if it is not tuned to respond to lower frequencies.
A decrease in the amplitude (loudness) or frequency (pitch) of the sound wave would likely cause the neuron in the bottom graph to fire less often. This is because a lower amplitude or frequency means less stimulation for the neuron, resulting in fewer action potentials being generated.
1. Observe the sound wave in the top graph.
2. Identify its amplitude and frequency.
3. Decrease the amplitude or frequency of the sound wave.
4. Observe the change in the neuron firing rate in the bottom graph.
Therefore, A decrease in the frequency of the sound wave may result in the neuron firing less often if it is not tuned to respond to lower frequencies.
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how long does implantation typically last?5 days1 day3 days7 days
Answers
Implantantation lasts around 7 days once fertilization has occurred.
the study of tissue structure and function is called the study of tissue structure and function is called physiology. differentiation. plasticity. histology. remodeling.
Answers
The study of tissue structure and function is called histology.
Histology is the study of tissue structure. It is called microscopic anatomy which is very useful for studying the physiological functions of cells in the body, humans, animals, and plants.
In form of histopathology, histology is beneficial for the diagnosis of diseases involving changes in physiological function and organ deformation. The basic purpose of histology is to determine how tissue is regulated at all structural levels, ranging from cells, between cells, to organs. In histology, we will examine the amount of thin tissue that has been removed from the living body under a microscope. This thin part is then given various dyes to increase the contrast between various cellular components so that it is easier to observe with an optical microscope. This method is useful for growing and checking certain types of cells and learning the basics of embryo organs when they continue to grow and differentiate.
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Which of the following statements is true about viruses?
Viruses contain very small cells
Viruses never eat any food
Viruses can reproduce themselves quickly
Viruses have hyphae that help them take up water
Answers
Explanation:
viruses may contain very small cells viruses can produce them quickly when they get a mode of transmission viruses have hyphae BUT viruses never eat any food so second statement is true....
The independent variable of this experiment was the presence of macromolecules, the dependent variable was color change. Thus, test tube # ________ was the control group and was used as the comparison group to our tested experimental groups.
Help^!!
Answers
The independent variable of this experiment was the presence of macromolecules, the dependent variable was color change. Thus, test tube was the control variable and was used as the comparison group to our tested experimental groups.
What are variables?Variables are defined as any characteristics, number or quantity which can be measured . It can also be called as a data item . It is called as variable because they can vary and can have variety of values.
There are three types of variables 1) manipulated variable where in a condition is specified, 2) responding variable which is dependent on manipulated variable 3)controlled variable which do not change.
Example of manipulated variables are number of hours spent by a student studying , that of responding variable is result of a student and temperature is an example of controlled variable.
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11
Scientists collect data on the size and number of worms that three bird species prefer to eat. The feeding preference data
of the three bird species are shown.
Bird Feeding Preferences
Worms Eaten
(per bird)
Key
. - Bird Species 1
Bird Species 2
........ Bird Species 3
Worm Size
Which statement is supported by the data?
A
Selection pressure from the three bird species will result in a worm population with only small and large worms.
B
At least three different species of worms are eaten by the three bird species.
С
competition for food exists within any of the three bird species.
Less competition between the three bird species will be observed if a range of differently sized worms is available.
Answers
Answer:
D
Explanation:Due to the availability of worms hence the 3 different species, the different birds will have less competition because they feed on different species. (Also did this on castle learning and it was correct)
which principle is best supported by the results of sutherland's studies in which fish predators were excluded from a marine fouling community?
Answers
Sutherland's experiments on alternative stable states in fouling communities were questioned by Connell and Sousa on the grounds that they did not last long enough.
Diverse marine animals that live on hard surfaces and are common in all coastal waters make up the fouling populations. For many years, these communities have served as a model system for studies on a range of ecological issues, including as community formation, the effects of invasive species and invasion resistance, disturbance, and predator-prey relationships.
Communities can display alternative states and take on different successional routes. In marine communities, predation is a very minor factor in succession .The tolerance model successfully predicts successional outcomes in the majority of marine environments.
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Question is inside the image below.
Answers
Answer:
A
Explanation:
rastus is a border collie dog who loves going for a ride on the back of his owners tractor on the sheep farm.Every time his owner would walk towards the farm motorbike rastus would wag his tail. recently, his owner noticed that when he picks up motorbike keys, rastus' tail wags excitedly.
Answers
This is an example of classical conditioning, a type of learning in which a neutral stimulus (in this case, the sight of the motorbike keys) becomes associated with a naturally occurring stimulus (going for a ride on the tractor) through repeated pairings.
What is classical conditioning?Classical conditioning is a type of learning in which an organism learns to associate two stimuli, so that a previously neutral stimulus begins to evoke a response after being paired with a naturally occurring stimulus.
This demonstrates how animals, including dogs, can learn to associate stimuli and respond to them in specific ways through classical conditioning. This was first described by Russian psychologist Ivan Pavlov in the late 19th century when he observed that dogs would begin to salivate at the sound of a bell after the bell was repeatedly paired with food.
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What polysaccharides can be found in the cell wall of a plant cell?
Answers
Cellulose is the primary polysaccharide used for the structure of the cell wall and is most commonly referred to when talking about this subject.
Answer:
Cell walls are composed primarily of multiple polysaccharides that can be grouped into three major classes: cellulose, pectins, and hemicelluloses
Would a bird enthusiast be more likely to hold an owl-watching
Vigil at night or during the day?
Answers
Answer:
A bird enthusiast would be more likely to hold an owl-watching vigil at night, as owls are typically active and hunting during this time. They are nocturnal birds, and they can usually be seen and heard hunting at night, so it would be the best time for an owl-watching vigil
Owl-watching at night.
What is the best energy source for the east coast?
Answers
Answer: Petroleum-fired
Explanation:
The best energy source would be Petroleum-fired.
The anaerobic conversion of 2 glucose to 4 lactate is accompanied by a net gain of?
Answers
The anaerobic conversion of 2 glucose to 4 lactate is accompanied by a net gain of 2 ATP molecules.
During anaerobic glycolysis, glucose is converted to lactate in the absence of oxygen. This process occurs in various cells, including muscle cells during intense exercise. In this conversion, two molecules of glucose are metabolized to produce four molecules of lactate. Along with the production of lactate, there is a net gain of two ATP molecules. However, it is important to note that anaerobic glycolysis produces ATP less efficiently compared to aerobic respiration. In aerobic conditions, glucose is fully oxidized to carbon dioxide, resulting in a much higher ATP yield through the process of oxidative phosphorylation.
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Do moose randomly eat plants in their environment or do they show
preference for certain food types?
Answers
moose don't randomly eat plants but they eat plants found in their specific environments.
Moose are herbivorous animals that prefer to dwell in frigid climates like Canada, Alaska, and the Northeastern United States. All the food they require for their diet is present in their natural environment. They consume the leaves, bark, twigs, roots, shrubs, and flowers of some tree species. Good swimmers, moose also consume pond weed, horsetail, and water lilies as food. When they are accessible and in season, they also consume the fruits of various trees.
Give a correct biological term for each of the following
organisms made up of one cell only
help pls ( life science )
Answers
Answer:
bacteria, protists, and yeast.
Explanation:
Question 1-5
Every year from June to November Florida is at risk for tropical storms and hurricanes. Which step should individuals take to be prepared for these storms?
A) During the storm move to an exterior area.
B) Check emergency equipment during the storm.
C) Stock up on food items that are reliant on refrigeration.
D) Before hurricane season determine safe evacuation route.
Answers
Be prepared to live to tell the tale on your very own for at least 72 hours. Assemble a catastrophe kit with a battery-powered radio, flashlights, more batteries, a first-aid kit, blankets, clothing, food, water, and prescription medicines and needed medical supplies.
Why Florida is prone to hurricanes around this time of the year?The height of typhoon season occurs between mid-August and late October, when the waters in the equatorial Atlantic and Gulf of Mexico have warmed ample to help guide the improvement of tropical waves. A common false impression in Florida is that there are parts of the state that do not get hurricanes.
Board up home windows and glass doors, anchor unfastened yard objects or carry them internal and lock your doors. Following a hurricane banks and ATMs may additionally be temporarily closed. When evacuating: If possible, evacuate to the domestic of both friends or family in a non-vulnerable location within your county.
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https://brainly.com/question/5307617#SPJ1transcriptional regulation can be modulated by methylation\demethylation sites inA. HistonesB. DNAC. both of the above
Answers
Transcriptional regulation can be modulated by methylation\demethylation sites in histones and DNA. Thus the correct option is C, both of the above.
Transcriptional regulation can be modulated by methylation/demethylation sites in both A. Histones and B. DNA (Option C). This means that these modifications can impact gene expression by affecting the structure of chromatin and the accessibility of the DNA to transcription factors and other regulatory proteins. DNA genes are, respectively, "turned off" and "on" via the processes of histone methylation and demethylation. Histone methylation loosens histone tails, allowing transcription factors and other proteins to reach the DNA, whereas demethylation tightens tails, preventing access to the DNA.
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Muscles are connected to bones by:
a)cartilage
b)ligaments
c)membranes
d)tendons
Answers
Explanation:
Lying outside the epitenon and contiguous with it is a loose elastic connective tissue layer known as paratenon, which allows the tendon to move against neighbouring tissues. The tendon is attached to the bone by collagenous fibres (Sharpey fibres) that continue into the matrix of the bone.
How can an individual be born with an adaptive trait?
A. The parents had proteins for the adaptive trait, which they passedThe parents had genes for the adaptive trait,
which they passed down to the individual, down to the individual.
B. The parents had genes for the NON-adaptive trait, which they passed down to the individual.
C. The environment had genes for the adaptive trait, which they passed to parents.
D. The parents had genes for the adaptive trait, which they passed down to the individual.
Answers
Explanation: the individual can choose to have the adaptive trait at birth
What is the basic structure of a virus?
DNA or RNA surrounded by a cell wall.
O A capsid surrounded by a protein coat.
A capsid surrounded by an envelope.
DNA or RNA surrounded by a cell membrane
Answers
Answer: A capsid surrounded by an envelope.
Explanation: