(1) Describe two effects that ingesting microbeads has on aquatic organisms. (2) Dr. Ewoldsen states that nitrates pose different threats to aquatic ecosystems than microbeads do. Describe how nitrate levels can negatively affect water quality in some aquatic ecosystems. (3) While wastewater treatment plants are ineffective at removing microbeads, they are very effective at removing large pieces of plastic waste and other pollutants. Identify one way large pieces of plastic are removed from wastewater during primary treatment. Prior to discharge, wastewater is often disinfected. Identify one technique commonly used to disinfect wastewater. Sludge or biosolids produced during the wastewater treatment process can be spread on agricultural fields. Identify one advantage and one disadvantage of this practice. (4) Coastal ecosystems are threatened by other human activities in addition to wastewater disposal. Mangrove swamps are one such threatened ecosystem. Provide one reason why mangrove trees are being removed by humans. Identify one ecosystem service provided by intact mangrove ecosystems
Answers
(1) Microbeads: Harmful ingestion, toxin accumulation, (2) Nitrate levels: Eutrophication, oxygen depletion, (3) Plastic removal: Screens, chlorination. Sludge spreading: Fertilizer, contamination risk, (4) Mangrove removal: Development, timber. Protects, provides services.
(1) Effects of microbeads on aquatic organisms: Microbeads cause physical harm when ingested, blocking digestive tracts and leading to injury or death. They also contain or absorb toxic chemicals, posing risks of toxicity and bioaccumulation in organisms.
(2) Negative effects of nitrate levels: Excessive nitrates contribute to eutrophication, depleting oxygen and harming aquatic life. They also promote harmful algal blooms, releasing toxins that can harm organisms and pose risks to human health.
(3) Large plastic removal: Wastewater treatment plants use physical methods like screens to remove large plastic waste during primary treatment. Wastewater disinfection is commonly achieved through chlorination, which eliminates harmful microorganisms.
(4) Mangrove removal: Mangrove trees are cleared for land development, timber, and coastal infrastructure. Intact mangrove ecosystems provide ecosystem services such as coastal protection, habitat and nursery grounds for marine species, and carbon sequestration to mitigate climate change.
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Related Questions
Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as:
Answers
Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.
Homeostasis is the body's ability to maintain a stable internal environment despite external changes.
In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.
These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.
For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.
Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.
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this answer i need pls ill mark brainliest
Answers
All - growth, exchange of gases, excretion, reproduction, and death (option d).
All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:
A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.
B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.
C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.
D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.
Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.
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The distal contact area of the permanent maxillary lateral incisor is located in the?
Answers
The distal contact area of the permanent maxillary lateral incisor is located in the incisal third or the uppermost part of the tooth's mesial surface.
The contact area refers to the specific region where the tooth comes into contact with the adjacent tooth in the dental arch. In the case of the maxillary lateral incisor, which is the tooth adjacent to the maxillary central incisor, the distal contact area is positioned toward the back of the tooth's mesial surface.
This location is important for proper alignment and occlusion of the teeth, ensuring functional chewing and stability of the dental arch. Precise placement of the contact area is crucial for optimal dental aesthetics and function.
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PLEASE HELP
Which statement best compares potential and kinetic energy?
Answers
Answer:
Kinetic energy increases and potential energy decreases when the velocity increases
Explanation:
Develop an argument from evidence on how human activity can lead to ocean acidification? Further explain what we can do, as humans, to decrease the amount of ocean acidification occurring in aquatic environments.
Answers
Answer
Ocean acidification results from the solubility of CO2 in oceans increasing the H+ concentrations, and depletion of bicarbonates concentrations.
Therefore, human activities which increases the concentration of CO2 in the atmosphere, will raise the atmospheric CO2 concentration. CO2 is constantly being absorbed by green plants maintaining its concentration through carbon cycle,Therefore massive deforestation which removes green plants, cutting down photosynthesis is one of human activities which raises CO2 levels of the atmosphere.The CO2 dissolves in the oceans to raise its acidic levels.Lower pH.
Another source is fossil fuels emissions which add more CO2 to the atmosphere.
Explanation:
In the first several days of life, most newborns lose _____ percent of their body weight before they adjust to feeding by sucking, swallowing, and digesting.
Answers
Most newborns typically lose a certain percentage of their body weight in the first few days of life before they adapt to feeding through sucking, swallowing, and digestion.
It is common for newborns to experience weight loss in the initial days after birth. On average, newborns lose approximately 5% to 7% of their body weight during this period. This weight loss is a normal physiological response and is primarily attributed to factors such as fluid loss, excretion of meconium (the first stool), and adjustments in feeding patterns.
There are several reasons why newborns may undergo this weight loss. Firstly, during the first few days, infants eliminate excess fluids through urine and feces, leading to a reduction in body weight. Secondly, as they transition from receiving nutrients through the umbilical cord to feeding by sucking, swallowing, and digesting breast milk or formula, there is a learning curve involved in establishing effective feeding patterns. This adjustment period may result in inconsistent or inadequate intake of nutrients, contributing to temporary weight loss.
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MARKING PEOPLE AS BRAINLIST ALOT OF POINTS
Create a table comparing mitosis and meiosis
-Include: number of cells
-type of cells
-genetic material in cells
-role of each process in the body.
Answers
The woman with I (O) rh– blood type married the man with IV (AB) Rh+ blood type. What variant of blood type and Rhesus factor can be expected in children?
Answers
When a woman with O Rh- blood type marries a man with AB Rh+ blood type, there are a number of potential outcomes for their children's blood types.
Firstly, the A and B alleles are codominant, so their children could inherit either A or B blood type from their father. Additionally, Rh factor is determined by a separate gene, and if the father passes on his Rh+ allele, their children will have Rh+ blood type.
Given that the mother has O blood type and is Rh-, her genotype is OO rr. The father's genotype is AB, which means he has one A allele and one B allele, as well as one Rh+ allele. Therefore, his genotype is AB Rr.
Using Punnett squares, we can predict the potential outcomes for their children's blood types. There is a 50% chance that each child will inherit the A allele from their father, and a 50% chance that they will inherit the B allele. Additionally, there is a 100% chance that each child will inherit the Rh+ allele from their father, since he only has one allele for this gene.
Therefore, their children could have blood types of either A Rh+, B Rh+, AB Rh+, or O Rh+. It is impossible for their children to have O Rh- blood type, since the father does not have the O allele.
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In a pea plant that is heterozygous for seed colour, what proportion of gametes will carry the recessive allele?
Answers
Answer:
50%
Explanation:
list+3+different+equations+that+were+developed+to+convert+body+density+into+body+fat+%,+why+are+there+different+equations?
Answers
Three different equations that were developed to convert body density into body fat percentage are Siri's equation, Brozek's equation, and Jackson and Pollock's equation.
There are different equations because they were developed based on different assumptions and population samples, and they may have different levels of accuracy depending on the individual's characteristics.
Body density can be used to estimate body fat percentage using various equations, such as Siri's equation, Brozek's equation, and Jackson and Pollock's equation. Siri's equation uses body density, age, and gender to estimate body fat percentage. Brozek's equation includes body density, age, gender, and body weight, while Jackson and Pollock's equation uses skinfold thickness measurements in addition to body density, age, gender, and body weight.
There are different equations because they were developed based on different assumptions and population samples. For example, Siri's equation was developed using a population sample that consisted mostly of young men, while Brozek's equation was developed using a more diverse population sample. Jackson and Pollock's equation was developed specifically for athletes and may not be as accurate for non-athletes.
Furthermore, the equations may have different levels of accuracy depending on individual characteristics such as age, gender, ethnicity, and body composition. Therefore, it is important to choose an equation that is appropriate for the individual and to interpret the results with caution.
In conclusion, there are different equations for converting body density into body fat percentage, including Siri's equation, Brozek's equation, and Jackson and Pollock's equation. The equations were developed based on different assumptions and population samples and may have different levels of accuracy depending on individual characteristics. When using these equations, it is important to choose an appropriate equation and to interpret the results with caution.
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Which of the following is NOT a Fungi?
yeast
slime mold
penicillium
cremini mushroom
if you get right you get brainlist and points
Answers
Answer: slime mold
Explanation: you may not think it but that's a organism not a fungi
How can the retrograde rotation of planets and orbits of moons be explained in a naturalistic way?
Answers
Explanation:
On Mercury, for example, the sun sometimes moves in retrograde. As Mercury speeds through its closest approach to the sun, its orbital speed overtakes its rotational speed. ... Most of the large moons orbit in the same direction that their planet spins.
How is Earth’s outer layer similar to a cracked hard-boiled egg?
Answers
Earth's outer layer and cracked heard boiled egg has thin, brittle shell.
The Mantle of the Earth is like the egg white and the core of the earth lies in the center like the egg yolk. The Earth's brittle crust is broken into pieces that Geologists call Plates.
A hard boiled egg has its shell which is a thin layer and is also similar to the Earth's Crust. The layer of Earth is something like an Egg and forms as many similarities. The difference is that the Earth's layer is uneven and rough as opposed to the flat whereas the surface of the egg is smooth and even.
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10. Refer to p. 484 of your textbook. In sex-linked heredity, the characteristic gene is found on the X
(sex) chromosomes; therefore, it is inherited along with the sex of the individual. Hemophilia (X") is
the result of a recessive sex-linked allele. A carrier has one recessive allele for hemophilia; therefore,
she does not have hemophilia but can pass it on. If a normal male marries a carrier, what is the
probability that they will produce a male child who will be a hemophiliac? What is the probability
that they will produce a female child who will have the disease? What is the probability that they
will have a daughter who is a carrier?
Answers
Answer:
they have a chance of 25% of producing a male child who will be haemophiliac.
Explanation:
0% of producing a female child who will have haemophilia
25% of having a daughter who is a carrier
when determining the charge of a peptide do you only look at basic and acidic groups or all iionizabl groups mcat reddit
Answers
When determining the charge of a peptide, it is important to consider all ionizable groups, including both basic and acidic groups. These ionizable groups are usually found in the side chains of amino acids as well as the N-terminal and C-terminal ends of the peptide.
Basic groups, such as those in lysine, arginine, and histidine, can accept a proton and become positively charged. Acidic groups, like those in aspartic acid and glutamic acid, can lose a proton and become negatively charged.
The overall charge of the peptide is calculated by considering the charges of all ionizable groups at a specific pH. To do this, you need to know the pKa values of each ionizable group and compare them with the pH of the solution. If the pH is lower than the pKa, the ionizable group will carry a positive charge, and if the pH is higher than the pKa, it will carry a negative charge. By adding the charges of all ionizable groups, you can determine the overall charge of the peptide.
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The sides of the DNA ladder are made of two molecules that alternate. The alternating molecules are __?__ and __?__.
Answers
Answer:
Sugar and phosphate
Explanation:
sugar and p h o s p h a t e
true or false cryptography is the process of transforming data from cleartext into ciphertext.
Answers
The given statement is True. Cryptography is indeed the process of transforming data from cleartext (plaintext) into ciphertext.
It involves the use of algorithms and mathematical techniques to convert the original, readable form of data into an encrypted form that is not easily understandable or accessible to unauthorized individuals.
This transformation is achieved through various cryptographic methods, such as encryption algorithms and cryptographic keys. The purpose of cryptography is to ensure the confidentiality, integrity, and authenticity of sensitive information by making it unreadable to anyone without the proper decryption key or authorization.
The goal of cryptography is to ensure the confidentiality, integrity, and authenticity of sensitive information. Confidentiality is achieved by making the encrypted data unreadable without the proper decryption key. Integrity ensures that the data remains unchanged during transmission or storage by using techniques like digital signatures or message authentication codes. Authenticity verifies the identity of the sender or the integrity of the received data.
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Where does photosynthesis occur?
Answers
Answer:
In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll
In chloroplast. Chloroplast contain chlorophyll, and photosynthesis occurs there.
As the Zebra Mussel population expands how do you predict the Lake Whitefish population will be affected
Answers
Answer:
Hello again :)
The population will increase because they eat it.
Glucose and galactose are moved into absorptive cells via ______ while fructose is absorbed by ______.
Answers
Answer:
transporters; facilitated diffusion
Explanation:
Answer:
Monosaccharide sugars such as galactose, glucose, and fructose are absorbed by active transport across the microvillus membrane of the small intestine into the portal blood system for transport to the liver.
What is the function of the waxy
cuticle? Pick one
1)To protect the leaf
2)Creates spaces to allow CO2 to diffuse into the leaf
3) To absorb light for photosynthesis
Answers
Answer:
The answer is the first option.
1) To protect the leaf
Respiration occurs at which of the following structures of the respiratory system?
A.
Alveolar ducts
B.
Alveoli
C.
Bronchioles
D.
Lungs
Answers
The respiratory system's alveoli are where breathing takes place (option -B) is correct answer.
Where in the respiratory system does respiration occur?in the lungs
The bronchi within the lungs branch into smaller bronchi and still smaller tubes known as bronchioles. Alveoli, which are tiny air sacs at the ends of bronchioles, are where the actual exchange of oxygen and carbon dioxide occurs.
Your lungs, blood vessels, and airways are all a part of it. A component of the respiratory system are the muscles that move your lungs. Together, these components circulate oxygen throughout the body and eliminate waste gases like carbon dioxide.
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What is energy conservation?
Answers
Answer: Reducing energy use to extend the time we can use fossil fuels. I hope this helps out!!! :)
Answer:
A
Explanation:
B: Preserving and Waiting to plenish is not the best word choice, the goal is to use less of them to save the enviorment instead of simply using less.
C and D... It is quite obvious that those two are wrong as "saving power bill" and "prepare for war are very much related to the overall topic.
Hope this helps!
Grasses feed the hare, gazelle, and zebra. The hare feeds the cheetah. The zebra feeds the hyena and the lion. The gazelle feeds the lion and the cheetah. The dead wildebeest feeds bacteria, fungi, hyena, lion, and vulture. The acacia tree feeds the giraffe, and the giraffe feeds the lion. The bacteria and fungi feed the earthworm.
Question 8
Which TWO statements about energy flow in the ecosystem are correct?
A
Grasses receive energy from the Sun and provide energy to zebras.
B
Cheetahs receive energy from gazelles and provide energy to hares.
C
Lions receive energy from gazelles who receive energy from plants.
D
Vultures receive energy from wildebeests who receive energy from bacteria.
E
Hyenas receive energy from zebras and provide energy to wildebeests.
Answers
and
C) Lions receive energy from gazelles who receive energy from plants.
A student spends 2 hours one night recording the movement of the Big Dipper constellation compared to a tree on the north side of the yard. During that time, the Big Dipper appears to move higher above the tree. How should the student explain the movement of the Big Dipper constellation
Answers
Answer:
answer B
Explanation:
Why is gene expression essential in the evolutionary progression of multi-cellular eukaryotes? Use the editor to format your answer
Answers
Gene expression is essential for the evolutionary progression of multicellular eukaryotes as it drives cellular differentiation, tissue specialization, adaptation to the environment, and the generation of genetic diversity.
Gene expression is essential in the evolutionary progression of multicellular eukaryotes due to its critical role in regulating the development, differentiation, and specialization of cells. Gene expression refers to the process by which information encoded in genes is utilized to produce functional gene products, such as proteins or non-coding RNAs. In multicellular organisms, different cell types with distinct functions and characteristics arise from a single fertilized egg cell through a process known as cellular differentiation. Gene expression controls this process by activating or repressing specific genes in a temporal and spatial manner. It allows cells to acquire specialized functions and form complex tissues and organs, which are necessary for the survival and adaptation of multicellular organisms in their environments.
Through gene expression, multicellular eukaryotes can evolve by generating new traits, improving their ability to respond to environmental challenges, and adapting to changing conditions. It enables the development of diverse cell types and tissues, such as muscles, nerves, and organs, which enhance organismal complexity and functionality.Furthermore, gene expression plays a crucial role in the response to evolutionary pressures and the generation of genetic diversity. It allows organisms to adapt to new ecological niches, respond to selective pressures, and undergo adaptive evolution.It enables the development of complex organisms with diverse functions, contributing to their survival and success in diverse ecological settings.
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What properties of legumes (beans) could influence the growth of
plants around them? Did you find evidence of any beneficial growth
effects of legumes on your wheat plants? Provide a Reference
Answers
Legumes influence plant growth by fixing atmospheric nitrogen, improving soil fertility, and enhancing nutrient uptake. Legume-wheat intercropping can enhance wheat yield and nutrient content.
Legumes possess several properties that can influence the growth of plants around them. One key attribute is their ability to fix atmospheric nitrogen through a symbiotic relationship with nitrogen-fixing bacteria in their root nodules. This nitrogen fixation leads to an increased availability of nitrogen in the soil, which can benefit neighboring plants by enhancing their nutrient uptake and promoting overall growth.
Legumes have deep root systems that improve soil structure, increase water infiltration, and enhance nutrient cycling. These traits contribute to improved soil fertility and moisture retention, benefiting neighboring plants. As for the beneficial growth effects of legumes on wheat plants, studies have demonstrated that intercropping legumes with wheat can enhance wheat yield and nutrient content. Legumes provide nitrogen to wheat, improving its growth, yield, and protein content, making them mutually beneficial when grown together.
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9. What is the correct strand of mRNA
for this
TG CAGT A C T C A G C T A
-UAG CUC AGU ACU GCA
-ACG UUU CAU GAG UCG
-ACG UCA UGA GUC GAU
-AGC UGA GUA CAU GCA
Answers
20/08/2022
Science Assignment
Question: Give 20 example each on scalar & vector quantities
Answers
Scalar and Vector quantities are Distance and Displacement respectively.
Scalar Quantity is any quantity which has only magnitude but no direction.
It is as follows:
DistanceSpeedTimeEnergyDensityVolumeTemperatureDistanceWorkMassFrequencyDirect currentEntropyRefractive indexChargeElectric potentialLuminous intensityAmount of substancePressurePowerVector Quantity is any quantity which has magnitude as well as direction.
It is as follows:
DisplacementForceAccelerationWeightAngular MomentumLight velocityCurrentGravitational fieldElectric fieldLinear momentumTorquePolarizationCentripetal forceTensionThrustAngleDrag forceImpulseAlternating currentFrictional forceLearn more about Scalar Quantity here, https://brainly.com/question/774036
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Describe telephase (IN YOUR OWN WORDS)
-Thank you!
Answers
Answer:
Telophase is the last step of cell division, when chromosomes move in opposite directions so two new cells can be formed from one. When a cell is finishing the process of meiosis, it goes through a phase in which it's basically getting ready to split into two new cells telophase.
Explanation: