What are some important biotic factors in the
Delta ecosystem?
Answers
Scientists studies the significance of abiotic versus biotic (meals supply) habitat features as drivers of delta smelt abundance and distribution.
Protective and coping with special reputation fish species requires an understanding in their ecology and habitat. Delta smelt is an annual fish species endemic solely to the euryhaline part of the San Francisco Estuary, California.
It's miles listed as a threatened species with the aid of the U.S. Fish and natural world service and as an endangered species through the country of California. Information the ecology of delta smelt is important to the management of California's water deliver. Delta smelt has gone through a considerable lengthy-term decline in abundance for the reason that Nineteen Sixties main to its listing even as water exported from the Bay-Delta.
Substances approximately 25 million people in California and a multi-billion greenback agricultural enterprise in California's significant Valley. handling water operations at the same time as protective delta smelt habitat is a key management goal within the estuary.
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The living things, including animals, that make up an ecosystem are referred to as biotic components. The members of the food web, or biotic components, in an ecosystem, depend on one another to survive. These living things interact with one another and have an impact on the ecosystem's health. The other species that live there make up the biotic components in an ecosystem. Depending on the type of creature, they might have different effects on different organisms. Predators, parasites, prey, symbionts, competitors, and parasites are examples of other organisms (biotic factors). The most significant biotic component in an ecosystem is a producer. Living creatures have an impact on environmental organisms either directly or indirectly. This covers the actual creatures as well as other living things, interactions between them, and even their trash.
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Related Questions
In your opinion, do you think cancer will ever be fully preventable or curable? Explain why or why not.
Answers
Answer:
I'd like to think so but it probably won't happen anytime soon and I wouldn't be surprised if it didn't happen in our lifetime.
Explanation:
In addition to having the support of the local Southern citizenry as they fought a defensive war in their own homeland, the Confederacy also had the tactical advantage of
Answers
In addition to having the support of the local Southern citizenry as they fought a defensive war in their own homeland, the Confederacy also had the tactical advantage of knowing the terrain better than the Union forces.
This familiarity with the landscape allowed Confederate troops to navigate more efficiently and set up ambushes or defensive positions effectively. Moreover, the Confederate military often had skilled generals, such as Robert E. Lee, who were able to utilize these advantages to their full potential.
Additionally, the Confederacy could rely on shorter supply lines, which enabled them to maintain their armies more easily. These factors contributed to the Confederacy's ability to prolong the war and present a formidable challenge to the Union.
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Raj takes a meteorology class and learns about the effects of air density on the weather. What affects the density of air? Explain.
Answers
Warm air is less dense and will rise/become buoyant
Higher elevations above sea level the air is less dense. Running at high altitudes requires more deep breathes to get same oxygen content into lungs.
Higher humidity (temp. And pressure held constant) is less dense. Water molecules weigh less than nitrogen and oxygen molecules. To get more moisture into same volume of air requires displacement of some of the heavier nitrogen and oxygen.
Answer:
Temperature, pressure, and moisture/humidity are all factors to consider.
Warm air has a lower density and rises/becomes buoyant.
The air is less dense at higher elevations above sea level. To bring the same amount of oxygen into the lungs when running at high altitudes, you'll need to take more deep breaths.
Humidity is less dense at higher temperatures and pressures. The weight of water molecules is less than that of nitrogen and oxygen molecules. To get more moisture into the same volume of air, some of the heavier nitrogen and oxygen must be displaced.
Explanation:
7. One of the functions of lipids is to store energy. Do they store more or less energy than
carbs?
Answers
the specific heat of a wax coating on a plant is 2400 j/kg degrees Celsius. During the day a 0.0055 kg coating of wax on a lead heats up from 15 to 22 degrees Celsius. How much radiant energy was absorbed by the wax?
Answers
The radiant energy was absorbed by the wax coating on the plant is determined as 92.4 J.
Heat absorbed by the waxThe heat absorbed by the wax is determined as follows;
Q = mcΔT
where;
m is mass of the waxc is specific heat capacityΔT is change in temperatureQ = 0.0055 x 2400 x (22 - 15)
Q = 92.4 J
Thus, the radiant energy was absorbed by the wax coating on the plant is determined as 92.4 J.
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PLZ HELP! What are some of the ways transport in plant cells is different from in animal cells?
Answers
Why is photosynthesis being studied? Why is it important? How does it relate to climate change?
Answers
Answer:photosynthesis is the most important biochemical process in earth
Explanation: enables us to understand how the world functions as an ecosystem and how photosynthesis acts as a bridge between the non-living and living worlds
it's important because it's to convert solar energy into chemical energy and then store that chemical energy for future use.how it relates to climate change is because the rising levels of co2 in the atmosphere drive an increase in plant photosynthesis
By which pathway does oxygen flow into the body?
A)trachea, bronchioles, bronchial tubes, alveoli
B)trachea, bronchial tubes, bronchioles, alveoli
C)trachea, alveoli, bronchioles, bronchial tubes
D)trachea, alveoli, bronchial tubes, bronchioles
Answers
Answer:
B
Explanation:
the avelio is apart of ur lungs which makes u breathe
explain what you think would happen in a cell if its dna did not have any telomeres.
Answers
If the DNA of a cell does not have any telomeres, the cell would undergo senescence.
Telomeres аre the protective cаps locаted аt the end of the chromosomes. They аre composed of repetitive nucleotide sequences аnd hаve а criticаl role in preserving the genomic integrity of the cell. Telomeres become shorter аs the cell divides, аnd eventuаlly, when they become too short, they trigger the process of senescence or аpoptosis (cell deаth).
Telomeres serve аs а buffer zone to preserve genetic informаtion by protecting the coding regions of DNА from degrаdаtion аnd mаintаin stаbility. Without telomeres, the chromosomes would be lost or fused together, leаding to DNА dаmаge, which cаn result in cаncer or cell deаth. The length of the telomeres is аn essentiаl indicаtor of cellulаr аging аnd the cell's аbility to divide, аnd their integrity must be mаintаined to ensure proper cell function.
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What types of animals are proving useful for brain research?
Answers
Answer:
Explanation:
Many different types of animals are proving useful for brain research. These include rats, mice, primates, fish, cats, dogs, and birds.
Rats and mice are being used to study the effects of drugs, such as drugs used to treat depression and anxiety. They are also being used to study the effects of various types of brain injuries.
Primates are being used to study higher-level cognitive functions such as language, memory, and decision making.
Fish are being used to study the development of the brain and nervous system. They are also being used to study the effects of environmental factors on brain development.
Cats and dogs are being used to study motor control and learning. They are also being used to study the effects of different types of brain injuries.
Birds are being used to study the effects of different types of social behavior. They are also being used to study how the brain processes visual information.
Answer:
It might be a monkey or an ape
the _____ helps form feces by absorbing excess water and some minerals from chyme.
Answers
The large intestine helps form feces by absorbing excess water and some minerals from chyme.
The colon, also known as the large intestine, helps form feces by absorbing excess water and some minerals from chyme. After the chyme passes through the small intestine, it enters the colon. The primary function of the colon is to reabsorb water and electrolytes, such as sodium and potassium, from the remaining undigested food material.
As the chyme moves through the colon, the walls of the colon absorb water and electrolytes back into the bloodstream. This process helps to concentrate the remaining waste material and form feces. The longer the material stays in the colon, the more water is absorbed, resulting in firmer stools.
In addition to water absorption, the colon also plays a role in the fermentation of undigested dietary fibers by the resident bacteria. This fermentation process produces certain vitamins, such as vitamin K and some B vitamins, which are absorbed by the colon.
Ultimately, the colon's function in absorbing water and minerals from chyme is crucial for maintaining proper hydration and electrolyte balance in the body, while also contributing to the formation of solid feces.
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What chemical digestion occurs in the stomach? PLZZZZZ HELP MEEE with BIOLOGY!!!!
Answers
Answer:
Explanation:
Protein digestion occurs in the stomach and the duodenum through the action of three main enzymes: pepsin, secreted by the stomach, and trypsin and chymotrypsin, secreted by the pancreas. During carbohydrate digestion the bonds between glucose molecules are broken by salivary and pancreatic amylase.
Please describe this picture using directional terminology, body planes and body movements.
Answers
The human body is a complex organism and understanding its structure and functions requires a thorough knowledge of directional terminology, body planes, and body movements. In this image, we can see a person performing a side plank exercise which is an effective core-strengthening exercise.
We can also use directional terminology to describe the person's movements. The person is performing a lateral flexion to the side while maintaining an isometric contraction of the core muscles. The movement involves the transverse axis of the body, which runs from front to back, perpendicular to the frontal plane.
In conclusion, this picture shows a person performing a side plank exercise, positioned on the frontal plane and performing a lateral flexion movement. The person is using their core muscles to maintain the position while one arm is supporting their weight and the other arm is extended towards the ceiling.
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what are the type of root found in maize
Answers
Answer:
Normally maize plants have three types of roots
Explanation:
seminal roots – which develop from radical and persist for long period;adventitious roots, fibrous roots developing from the lower nodes of stem below ground level which are the effective and active roots of plantbrace or prop roots, produced by the lower two nodes. The roots grow very rapidly and almost equally outwards and downwards. Suitable soils may allow corn root growth up to 60 cm laterally and in-depth.1. The graph below shows rate of reaction data for 2 different enzymes. One of these enzymes are found in the stomach, the other is found in the mouth.a) Which of these lines is more likely to indicate the enzyme found in the stomach? Explain.b) Both these enzymes have the same optimum pH, TRUE or FALSE?2. Explain, in terms of bonding, why the rate of reaction gradually falls once the pH increases above the optimum rather than denaturing straight away.
Answers
Answer: Solid graph
Explanation: This indicates an optimum temperature for human enzyme. Pepsin is a stomach enzyme that serves to digest proteins found in ingested food. Gastric chief cells secrete pepsin as an inactive zymogen called pepsinogen. Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach.
The human skin plays an important role in a variety of organ systems. which organ system is least likely to have a direct interaction with the skin?
Answers
Answer: The organ system that is least likely to have a direct interaction with the skin is the respiratory system.
Explanation: The respiratory system takes in oxygen to go to the blood stream which means the purpose does not directly interact with the skin.
which of the following is used to break things down and dispose of?
Answers
Answer: Lysosomes
Explanation:
A lysosome is a membrane-bound cell organelle that contains digestive enzymes. ... They break down excess or worn-out cell parts.
N20 can be removed from the atmosphere through the nitrogen cycle true or false?
Answers
Answer:
The answer is False
Explanation:
Nitrous oxide is removed from the atmosphere when it is absorbed by certain types of bacteria or destroyed by ultraviolet radiation or chemical reactions.What type of photoreceptor enables pricilla to maneuver and see basic shapes in her room in the middle of the night?.
Answers
Rods allow Pricilla to move around and view basic forms in her room in the middle of the night.
Photoreceptors convert light into signals that are sent to the brain. Photoreceptors are responsible for both night vision and color vision. Rods and cones are two kinds of photoreceptor cells. Photoreceptor cells could be implicated in a range of eye problems.
The initial phase of the vision is carried out by particular neurons called rod and cone photoreceptors. These light-sensitive cells are found at the rear of the retina, near the retinal pigment epithelium (RPE), a cell layer that is necessary for photoreceptor survival.
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Amino acids found in the amino acid pool __________.
A. can be used for protein synthesis
B. help to synthesize essential amino acids
C. must come from animal products
D. require protein supplements to maintain their resources
Answers
Amino acids found in the amino acid pool A. can be used for protein synthesis
The amino acid pool refers to the collection of amino acids available within an organism's cells and tissues. These amino acids can be derived from various sources, including dietary protein intake and the breakdown of cellular proteins. The amino acids in the amino acid pool can be utilized for a variety of cellular processes, including protein synthesis.
Option B is incorrect because the amino acid pool does not directly synthesize essential amino acids. Essential amino acids are those that cannot be synthesized by the body and must be obtained through the diet.
Option C is also incorrect because the amino acids in the amino acid pool can come from both plant and animal sources. While animal products tend to be good sources of complete proteins containing all essential amino acids, plant-based sources can also provide individual amino acids that can contribute to the amino acid pool.
Option D is incorrect because the amino acid pool does not require protein supplements to maintain its resources. The body can recycle amino acids from protein breakdown and utilize them as needed. While protein supplements can be used to supplement protein intake, they are not essential for maintaining the amino acid pool.
So, option A is the correct answer.
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Adrián says that since ecosystems are continually changing, succession is a never-ending process. What is the BEST critique of this statement?
A.
It does not specify whether the succession is primary or secondary.
B.
It does not acknowledge that ecosystems can be balanced or stable.
C.
It assumes that both an ecosystem’s biotic and abiotic elements must change.
D.
It suggests that succession is the same in ocean and terrestrial ecosystems.
Answers
Adrián says that since ecosystems are continually changing, succession is a never-ending process. It assumes that both an ecosystem’s biotic and abiotic elements must change.- is the best critique of this statement.
What is biotic and abiotic system?
Living creatures known as biologic components have an indirect or direct impact on other species in their surroundings. As an illustration, consider the waste produced by microbes, plants, and mammals.
Abiotic, or non-living, elements, include all chemical and physical parts of an ecosystem. Abiotic elements might differ between various ecotypes and geographical regions. In general, they provide for life. In an ecosystem, they control the quantity, variety, and rate of biotic element population increase. They are referred to be limiting factors as a result.
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Name the following: (b) divides and re divides to grow in plants
Answers
Answer:
Meristemetic tissue
Explanation:
This tissue divides and redivides to grow in plants...
Hope it helps...
When different genes make for greater or lesser chances of survival and reproduction, natural selection results in the more favorable genes becoming more frequent in a population over time, and populations that have those genetic changes are better able to survive and reproduce. This is called:
Answers
When different genes that make for greater or lesser chances of survival become more frequent in a population, the phenomenon is called evolution by natural selection.
What is evolution by natural selection?First, evolution is defined as gradual changes to the traits of organisms with time.
Natural selection refers to the tendency of nature to select for or against traits that confer adaptive advantages or disadvantages in organisms respectively.
In a population of the same organisms, the gene that confers greater chances of survival is selected among numerous similar genes. This gene becomes more frequent in the gene pool of the population with time.
Thus, we say that such a population has evolved through natural selection.
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Which two sentences best explain what happens to the energy snails get
from the plants they eat?
. A. The snails use about 1% of the plants energy to carry out life
processes.
. B. About 90% of the energy is lost as heat escapes into the
surroundings.
. C. The snails use about 10% of the plants energy to carry out life
processes.
D. About 90% of the energy IS passed on to the birds that eat the
snalls
Pls hurry
Answers
Answer:
B. About 90% of the energy is lost as heat escapes into the
surroundings.
C. The snails use about 10% of the plant's energy to carry out life
processes.
Explanation:
More than 10% of people carry the parasite Toxoplasma gondii. The following table gives data from Prague on 15- to 29-year-old drivers who had been involved in an accident. The table gives the number of drivers who were infected with Toxoplasma gondii and who were uninfected. These numbers are compared with a control sample of 249 drivers of the same age living in the same area who had not been in an accident.
Infected Uninfected
Drivers with accidents 21 38
Controls 38 211
(a) What are the two variables being compared? Which is the explanatory variable and which is the response?
(b) Depict the data in a graph. Use the results to answer the question: are the two variables associated in this data set?
Answers
Answer:
Explanation:
(a) The two variables being compared are the occurrence of accidents (drivers with accidents vs. controls) and the infection status with Toxoplasma gondii (infected vs. uninfected). In this case, the explanatory variable is the infection status with Toxoplasma gondii, and the response variable is the occurrence of accidents.
(b) To depict the data in a graph, we can create a 2x2 contingency table or a bar chart. Since the data is already provided in a 2x2 table format, we can use a bar chart to visualize the comparison between the variables.
markdown
| Infected | Uninfected |
------------------------------------------------
Drivers with accidents | 21 | 38 |
Controls | 38 | 211 |
In the bar chart, we would have two bars representing the occurrence of accidents: one for drivers with accidents and one for controls. Each bar would be divided into two sections representing the infection status: infected and uninfected.
To determine if the two variables are associated in this dataset, we need to assess if there is a difference in the distribution of infection status between the drivers with accidents and the controls. If there is a notable difference, it suggests an association between the variables.
The problem is comparing whether being infected with Toxoplasma gondii influences involvement in car accidents. An explanatory graph can be created and a statistical analysis such as chi-square test can give a more accurate inference on the association between these two variables.
Explanation:(a) The two variables being compared in this problem are 'status of being infected with Toxoplasma gondii' and 'involvement in car accidents'. Here, the explanatory variable is 'status of being infected with Toxoplasma gondii' because we are examining its effect on the response variable, 'involvement in car accidents'.
(b) For depicting the data in a graph, one could create a bar graph with two variables 'Infected' and 'Uninfected', represented along the horizontal x-axis. The vertical y-axis could represent the quantity of people from the two groups: 'Drivers with accidents' and 'Controls'.
If the bar of 'Infected' drivers with accidents is significantly higher than 'Infected' controls, then we can say these two variables are associated in this data set. Otherwise, the association is not significant. To be sure, a statistical test such as chi-square test would provide a more definitive answer.
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3. What are the most extreme temperatures at which life been found on earth?
Answers
Answer:
The upper limit for life had been widely recognised as 113 °Celsius, thanks to a microbe called Pyrolobus fumari that was discovered in 1997 inside a single hydrothermal vent in the Atlantic Ocean, 3650 metres below the surface.
Explanation:
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What is the name of the combining form for the gland in which the islets of Langerhans are located?
A) pancreat/o
B) thym/o
C) calc/o
Answers
Pancreat/o is the name of the combining form for the gland in which the islets of Langerhans are located. In this case, option, A is correct
It aids the body's ability to fight infection. In genes that regulate dendritic cell function, mutations (changes) can occasionally occur. The BRAF, MAP2K1, RAS, and ARAF genes are among those that have mutations. In some regions of the body, these mutations may cause an excessive number of LCH cells to accumulate and grow, which can harm tissue or result in lesions.
LCH may be a cancer type or a condition that resembles cancer, but this is unknown.
Cancer-related therapies are occasionally used to treat LCH by physicians who also treat cancer. The sections on treating LCH in children and treating LCH in adults both contain more information.
Having a parent who was exposed to certain chemicals or having a history of cancer in the family.
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what causes the glow of the reddish areas visible primarily in the spiral arms?
Answers
The reddish areas that are visible primarily in the spiral arms are caused by the presence of hydrogen gas, and these areas are called H II regions.
These regions glow because of the energy they receive from young, hot, and bright stars that are located nearby. The hydrogen gas in these regions gets ionized, which means that the electrons are stripped from the hydrogen atoms, and the atoms become ionized hydrogen, also known as H II.
When the electrons recombine with the hydrogen ions, they emit light at a specific wavelength that is in the red part of the spectrum. This process is called recombination, and it produces the reddish glow that is observed in these regions.
The energy that is responsible for ionizing the hydrogen gas comes from the ultraviolet radiation emitted by the nearby young stars. The stars that are responsible for this process are usually massive and hot, and they emit large amounts of ultraviolet radiation.
The H II regions are often found in areas of active star formation, such as in the spiral arms of galaxies, where there is a high concentration of young stars. In conclusion, the reddish glow that is visible primarily in the spiral arms is caused by ionized hydrogen gas, which emits light at a specific wavelength due to the recombination process.
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Match the following.
DONT ANSWER IF YOU DONT KNOW!
Answers
The lab vocabulary and their terms are:
fire blanket: Blanket used to smother small fires.eye wash station: This is used when a chemical splash or gas fume has reached the eyes.lab shower: The shower is used when a chemical spill has occurred on clothes or in case of a fire.fire extinguisher: Used to put out small fires in the lab.ventilation hood: A work station that shields the user from any toxic or dangerous fumes and vents the substance away.first aid kit: Kit used for any small cuts or injuries that occur in the lab.Why is lab safety important?Lab safety is important for several reasons:
Protecting human health: Laboratories may use chemicals, biological agents, and radioactive materials that can be harmful to human health if they are not handled properly.
Preventing accidents: Safety precautions such as wearing personal protective equipment, labeling containers, and properly disposing of hazardous materials can help prevent accidents.
Protecting the environment: Proper lab safety practices help ensure that hazardous waste is disposed of correctly and that the environment is not contaminated.
Compliance with regulations: Failure to comply with these regulations can result in fines, legal action, and reputational damage.
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Image transcribed:
Match the following vocabulary with their terms.
1. fire blanket
2. eye wash station
3. lab shower
4. fire extinguisher
5. ventilation hood
6. first aid kit
Used to put out small fires in the lab.
This is used when a chemical splash or gas fume has reached the eyes.
Kit used for any small cuts or injuries that occur in the lab.
The shower is used when a chemical spill has occurred on clothes or in case of a fire.
A work station that shields the user from any toxic or dangerous fumes and vents the substance away.
Blanket used to smother small fires.
Which protein modification is most closely linked to protein degradation?
A). phosphorylation
B).ubiquitination
C).acetylation
D), methylation
E).glycosylation
Answers
The protein modification that is most closely linked to protein degradation is ubiquitination, the correct option is (B).
Ubiquitination is a post-translational modification process that involves the covalent attachment of ubiquitin molecules to lysine residues on a protein. This modification acts as a signal for the protein to be targeted for degradation by the proteasome, a large protein complex that degrades ubiquitinated proteins into small peptides.
Ubiquitination is involved in various cellular processes, including cell cycle regulation, DNA repair, and antigen presentation. However, it is most commonly associated with protein degradation, and plays a crucial role in maintaining cellular homeostasis by removing misfolded or damaged proteins, the correct option is (B).
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Ubiquitination is a process in which proteins are tagged with ubiquitin molecules, which serves as a signal for the cell's degradation machinery (proteasome) to target and degrade the modified proteins.
The protein modification most closely linked to protein degradation is:
B) Ubiquitination
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