Answer:
it will cause death of secondary consumer
Explanation:
energy won't be distributed and it will spoil the food chain
What ppb refer to regarding water testing
Answer:
On January 22, 2001, EPA adopted a new standard for arsenic in drinking water of 0.01 mg/l or 10 parts per billion (ppb), replacing the old standard of 50 ppb. Water systems had to meet the new standard by January 23, 2006.
Explanation:
Answer:
Answer:Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety.
Answer:Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety.Testing may be performed to evaluate:
Answer:Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety.Testing may be performed to evaluate:ambient or environmental water quality – the ability of a surface water body to support aquatic life as an ecosystem. See Environmental monitoring, Freshwater environmental quality parameters and Bioindicator.
Answer:Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety.Testing may be performed to evaluate:ambient or environmental water quality – the ability of a surface water body to support aquatic life as an ecosystem. See Environmental monitoring, Freshwater environmental quality parameters and Bioindicator.wastewater – characteristics of polluted water (domestic sewage or industrial waste) before treatment or after treatment. See Environmental chemistry and Wastewater quality indicators.
Answer:Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety.Testing may be performed to evaluate:ambient or environmental water quality – the ability of a surface water body to support aquatic life as an ecosystem. See Environmental monitoring, Freshwater environmental quality parameters and Bioindicator.wastewater – characteristics of polluted water (domestic sewage or industrial waste) before treatment or after treatment. See Environmental chemistry and Wastewater quality indicators."raw water" quality – characteristics of a water source prior to treatment for domestic consumption (drinking water). See Bacteriological water analysis and specific tests such as turbidity and hard water.
Answer:Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety.Testing may be performed to evaluate:ambient or environmental water quality – the ability of a surface water body to support aquatic life as an ecosystem. See Environmental monitoring, Freshwater environmental quality parameters and Bioindicator.wastewater – characteristics of polluted water (domestic sewage or industrial waste) before treatment or after treatment. See Environmental chemistry and Wastewater quality indicators."raw water" quality – characteristics of a water source prior to treatment for domestic consumption (drinking water). See Bacteriological water analysis and specific tests such as turbidity and hard water."finished" water quality – water treated at a municipal water purification plant. See Bacteriological water analysis and Category:Water quality indicators.
Answer:Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety.Testing may be performed to evaluate:ambient or environmental water quality – the ability of a surface water body to support aquatic life as an ecosystem. See Environmental monitoring, Freshwater environmental quality parameters and Bioindicator.wastewater – characteristics of polluted water (domestic sewage or industrial waste) before treatment or after treatment. See Environmental chemistry and Wastewater quality indicators."raw water" quality – characteristics of a water source prior to treatment for domestic consumption (drinking water). See Bacteriological water analysis and specific tests such as turbidity and hard water."finished" water quality – water treated at a municipal water purification plant. See Bacteriological water analysis and Category:Water quality indicators.suitability of water for industrial uses such as laboratory, manufacturing or equipment cooling.
Which of the following groups gets energy from decaying organisms? A: producers B: omnivores c: decomposers d: secondary consumers
Answer:
decomposers
Explanation:
decomposers feed on dead organisms in the process decomposing it
Prior to implementing any significant change in the use of animals, what is the most important thing that the research team must do
Answer:
obtain IACUC approval for the change.
Explanation:
The most important thing that the research team must do is to obtain IACUC approval for the change. This is because the institutional animal care and use committee (IACUC) is a requirement for any institution using animals as test subjects for their research, teachings, and/or testing. This committee focuses on making sure that the animals are not being tortured or harmed and that the testing is done correctly.
what do you think distinguishes living and nonliving things?
Answer: All living things have all of the listed characteristics of living things, but nonliving things do not.
Explanation:
How are biotic factors and abiotic factor related
Answer:
they are related cause of the important feeding relationships
Explanation:
food producers like plant will love to use abiotic factors such as sun energy and nutrients to make food
a compound made of carbon, hydrogen, and oxygen that living things use for structural purposes and as their main source of energy
Answer:
glucose
Explanation:
a compound made up of carbon hydrogen and oxygen that living things use for structural purposes and as their main source of energy is glucose which produce 36 ATP molecule on respiration which is one of the important source of energy and living organism use it for performing their activities
Humans develop malaria after the injection of Plasmodium ____________________ into the bloodstream by an infected female Anopheles mosquito when she takes a blood meal.
Answer: sporozites
Explanation:
Malaria involves cyclical infection of humans by infected female Anopheles mosquitoes. In humans.
this mosquitos are parasites and they grow first in the liver cells and multiply, after which they grow in the red cells of the blood. When
Gametocytes a form of blood stage parasite is taken in during blood feeding by a female Anopheles mosquito they multiply by mating in the mosquito gut after which they form a sporozites after 10-18days. This sporozites moves to their salivary gland such that when they feed on human blood the sporozite plasmodium is injected into human body from where they move to the liver and begin their life cycle.
The difference between macroevolution and microevolution is that: Please choose the correct answer from the following choices, and then select the submit answer button. microevolution occurs in prokaryotes, whereas macroevolution takes place among eukaryotes. they take place on different time scales. microevolution involves changes to individuals within a population, whereas macroevolution involves changes to all of the individuals within a population. microevolution has been proven, whereas macroevolution is very speculative. macroevolution occurs with physical structures, whereas microevolution occurs with physiological traits.
Answer:
What is the difference between microevolution and macroevolution? Microevolution deals with changes in the gene pool of a single population. Macroevolution considers the broad pattern of evolutionary change over long periods of time and includes the origin of new groups.
As a professional teacher explain to the teacher three (3) advantages and three (3) disadvantages of using a resource person in handling the First Aid lesson
Answer:
Advantages of using a Resource person.
1. Resource person help to add to knowledge and information to the topic or subject the learners will learned.
2. Resource person help to save time for preparing the lessons to teach students.
3. With the presence of resource person, part of the course or topic do not need to be prepared for by the teacher.
Disadvantages of resource person.
1. There will be need for the teacher to improvise and not teacher learner what they need to know if the resource person don't show up.
2. The need to arrange for resource person might take time to.
3. Resource person pay demand might be high or much.
Explanation:
A resource person is an expert or person use in teaching lessons to learners that add to teaching information , knowledge and opinions in a learning environment so that learner's will get adqeuate information needed to understand to course or topic.
Advantages of using a Resource person.
1. Resource person help to add to knowledge and information to the topic or subject the learners will learned.
2. Resource person help to save time for preparing the lessons to teach students.
3. With the presence of resource person, part of the course or topic do not need to be prepared for by the teacher.
Disadvantages of resource person.
1. There will be need for the teacher to improvise and not teacher learner what they need to know if the resource person don't show up.
2. The need to arrange for resource person might take time to.
3. Resource person pay demand might be high or much.
Identify the factors that cause magnetic stripes to form along the ocean floor. Select the two correct answers.
1 . Magnetic direction of rock changes as Earth s
magnetic poles drift.
2. Magma acquires the magnetic direction present on Earth when it hardens into rock
3. Plates move as new rock forms which causes magnetic direction to skew away from normal
4. Rock forming at the
oceanic ridge pushes older rock outward in both directions.
The factors causing magnetic stripes are ''magma acquires the magnetic direction present on Earth when it hardens into rock' and 'rock forming at the oceanic ridge pushes older rock outward in both directions'.
In ocean floors, magnetic stripes can be exposed in the upper part of the walls of the fracture zones.
The magnetic stripes are a type of symmetrical pattern on both sides of the mid-ocean ridges, which can be used to determine the periodicity of reversals of the magnetic field.
The magnetic stripes generate as the oceanic crust pulls apart when the magma rises to the surface at mid-ocean ridges and generates new bands of the ocean floor.
In conclusion, the factors that cause magnetic stripes are ''magma acquires the magnetic direction present on Earth when it hardens into rock' and 'rock forming at the oceanic ridge pushes older rock outward in both directions'.
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Magnetic bands along the ocean are caused when magma acquires the magnetic direction present on earth when the rock hardens and when rock formation on the oceanic crest pushes older rocks outward in both directions, as shown in options 2 and 4.
We can arrive at this answer because:
Magnetic bands form along with the separation between oceanic crust and magma.This happens above the mid-ocean ridges, which allows renewal of the seabed, which expands and generates new bands.As the oceanic crust separates, magma rises towards the surface, spilling over mid-oceanic ridges.In this case, the magma acquires the magnetic direction present on Earth as it cools, hardens, and becomes a rock.These rocks push older rocks up and down, making room for the creation of magnetic bands along the ocean floor.
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__ are molecules that carry information in cells.
a.carbohydrates
b.lipids
c.nucleic acids
Answer:
nucleic acids are molecules that carries information in cells.
The steroid hormones cortisol and corticosterone are released by the _______ in response to the hormone _______.a. kidney; AVPb. adrenals; AVPc. kidney; ACTHd. adrenals; ACTH
Answer:
d. adrenals; ACTH
Explanation:
The steroid hormones cortisol and corticosterone are released by the adrenals in response to the hormone ACTH( Adrenocorticotropic hormone).
High levels of ACTH send signals to the adrenal gland receptors which stimulate the secretion of cortisol. The cortisol is helpful in controlling blood sugar levels, regulating metabolism and helping to reduce inflammation
Help!! Which of these are amphibians and which are reptiles? Tree frog Alligator Crocodile Salamander Newt Common lizard
Answer:
tree frogs → amphibians
alligator → reptile
crocodile → reptile
salamander → amphibians
newt → amphibian
common lizard → reptiles
(✿◠‿◠) hope this helps...
Answer: Hi!
These animals are reptiles:
Alligator
Crocodile
Common Lizard
Reptiles are cold - blooded animals. Their class includes snakes, lizards, crocodiles, turtles, and tortoises. They usually have dry, scaly skin, and typically lay soft-shelled eggs on land. Reptiles need to bask in the heat to keep their body temperature up. If their surroundings are cold, then their internal temperature drops.
These animals are amphibians:
Tree Frog
Salamander
Newt
Amphibians are cold blooded animals as well! They are small creatures that need water, or a moist environment, to survive. Most amphibians start off their life cycle in the water, and then transform into an animal with lungs and legs! Cool, right? The most known for this process are frogs and toads.
Hope this helps!
Which of these can be decomposed by a chemical change?
Answer:
B) CO
Explanation:
Chemical decompsition or breakdown is defined as the process in which a substance can be broken down into simpler compounds through chemical means.
CO or carbon monoxide can be decomposed by chemical change because it can be broken down into into carbon and oxygen.
While Co (cobalt), Cr (chromium), and Cu (coppoer) are present in its simplest form and can not be decomposed further.
Hence, the correct answer is "B) CO".
The portion of the female reproductive tract in birds that directs the egg to the cloaca is the __________.
Answer:
overies
ovaries produce the egg cells, called the ova or oocytes. The oocytes are then transported to the fallopian tube where fertilization by a sperm may occur. The fertilized egg then moves to the uterus, where the uterine lining has thickened in response to the normal hormones of the reproductive cycle
The line goes through (-2,3) and (1,-3) find the slope?
Answer:
[tex] \boxed{ \boxed{ \bold {\blue{ - 2}}}}[/tex]Explanation:
Let the points be A and B
A ( -2 , 3 ) ⇒( x₁ , y₁ )
B ( 1 , -3 )⇒( x₂ , y₂ )
Now, let's find the slope:
Slope = [tex] \sf{\frac{y2 - y1}{x2 - x1} }[/tex]
plug the values
⇒[tex] \sf{ \frac{ - 3 - 3}{1 - ( - 2)} }[/tex]
When there is a ( - ) in front of an expression in parentheses , change the sign of each term in the expression
⇒[tex] \sf{ \frac{ - 3 - 3}{1 + 2} }[/tex]
Calculate
⇒[tex] \sf{ \frac{ - 6}{3} }[/tex]
⇒[tex] \sf{ - 2}[/tex]
Hope I helped!
Best regards!!
Answer:
m = -2
Explanation:
Step 1: Use slope formula to find slope
[tex]m=\frac{y2-y1}{x2-x1} =\frac{-3-3}{1-(-2)}= \frac{-6}{3} =-2[/tex]
Therefore the slope of the line is -2
Therefore the slope is -2
Mutagens are useful in biotechnology research for producing organisms with altered phenotypes. producing new organisms which have beneficial traits from two or more organisms. selecting genetic mutants resistant to radioactivity. removing undesirable traits from microbes. producing DNA fragments for cloning.
Answer:
The correct answer is A.
Explanation:
A mutagen changes the level of mutations that occur in the DNA either by affecting it physically or chemically. This helps researchers create different organisms with altered phenotypes according to what the research needs so that the genes can be investigated further under a controlled environment.
So the answer is A.
I hope this helps.
Lipids commonly contain fatty acids. What are the two parts of a fatty acid? Check the correct answers below.
amino group
long chain of carbon and hydrogen
carboxyl group
R group
nucleotide
Answer:
b) long chain of carbon and hydrogen
c) carboxyl group
Explanation:
Answer:
B and C
Explanation:
Edg 2022
Cell walls of bacteria (domain Bacteria) usually consist of _____________, a network of polysaccharide molecules connected by polypeptide cross-links.
Answer:
the answer is Peptidoglycan
Which term means the crossing of two different species that share common genes? Group of answer choices hybridization mutation population recombination
Answer:
The correct answer will be option A (Hybridization ).
Explanation:
Hybridization seems to be the method of integrating various organisms different types to start creating a hybrid. A hybrid, or genetic defect, has been the outcome of human reproduction incorporating the characteristics of two individuals of different ethnicities, types, organisms as well as subspecies.Other preferences presented are not closely linked to either the contexts in question. So the answer to the above seems to be the correct one.
A food chain consists of phytoplankton, zooplankton, shrimp, and herring. If the bacteria produces 173,000 kJm-2 year-1 of energy, the plankton contain 28,000 kJm-2 year-1 of energy, the shrimp contain 3,100 kJm-2 year-1 of energy, and the herring contain 150 kJm-2 year-1 of energy then what is the trophic efficiency between the primary and secondary consumers?
Answer:
The trophic efficiency between the primary and the secondary produces is 18.064 %
Explanation:
The trophic efficiency is the ratio or the fraction obtained by dividing the energy used for growth at a trophc level by the level of energy supplied at the the next lower trophic level.
The given parameters are;
The energy produced by the bacteria (primary consumer) = 173,000 kJ/(m²/y)
The energy contained in the plankton = 28,000 kJ/(m²/y)
The energy contained in the shrimp = 3,100 kJ/(m²/y)
The energy contained in the herring = 150 kJ/(m²/y)
Therefore, we have;
Energy supplied at the primary trophic level = 173,000 kJ/(m²/y)
The energy used for growth (contained) in the secondary trophic level (secondary consumer) = 28,000 + 3,100 + 150 = 31,250 kJ/(m²/y)
[tex]Trophic \ efficiency = \dfrac{Energy \ used \ for\ growth\ (Secondary\ consumer) }{ Energy \ Supplied \ (Primary \ consumer) } \times 100[/tex]
[tex]Trophic \ efficiency = \dfrac{31,250}{ 173,000} \times 100 = 18.064 \ \%[/tex]
The circuitry of the autonomic system allows for control in activation. The characteristic that allows a small number of preganglionic cells to stimulate a large number of postganglionic cells is
Answer
The characteristic that allows a small number of preganglionic cells to stimulate a large number of postganglionic cells is called Divergence
Explanation:
Because In a diverging circuit, a single neuron synapses with more than one postsynaptic cell and Each of these synapses with additional number of cells thus allowing for one neuron to stimulate up to a very large number of cells.
Sarah wants to know which brand of nail polish lasts the longest without chipping. She buys 4 types of nail polish – Essie (which she normally uses,) Butter, OPI, and Sally Hansen. Every Sunday for 4 weeks she paints her nails with a different brand of polish and records how many days she lasts before she gets her first chip. She makes sure to use the same bottom coat and top coat with each type of polish, and she makes sure to do the same weekly routine each week so that her nails aren’t getting treated more roughly different weeks.
Answer:
This is an example of scientific investigation and all the elements that compose it.
Explanation:
Sarah is doing a scientific investigation regarding the nail polishes she uses. We can see this, because Sarah is using the elements that make up this type of investigation to reach a conclusion about the enamels. These elements are:
Independent variable: Element that influences the appearance of a controlled and evaluable result, such as the enamel that Sarah will use on her nails.
Dependent variable: Element that is influenced by the dependent variable and promotes the visualization of a result, such as the length of time that the enamels can remain on the nail without chipping.
Experimental group: Element that allows the study of the interaction of these variables and the result developed through it, such as Sarah's enamel marks.
Control group: Element where only the independent variable is applied. As the action of the dependent variable does not exist, the observed result is the same that would be perceived if the study was not taking place, such as the day when Sarah did not paint her nails.
Constant: Elements that are exactly the same throughout the experiment, such as the person who conducted it, the time the study will be carried out, the nail care routine and the lower and upper layers of the enamels used.
lus
The carbon released during cellular
respiration is in the form of carbon
dioxide, which is a gas. Where is this
carbon released?
Answer:
Explanation:
During cellular respiration, glucose and oxygen are converted into energy and carbon dioxide. Therefore, carbon dioxide is released into the atmosphere during the process of cellular respiration.
What is an appropriate way to analyze
the results of an experiment
A. Creating a graph
B. Creating a data table
C. Making observations
D. Asking questions
Answer:
option A IS CORRECT
Explanation:
creating a graph is an appropriate way to analyze the result of an experiment
"If the time period were extended to 6 hours, what would the expected blood glucose level for Person A?"
Explanation:
4 ->130
6 ->x
x=(130×6)÷4=195
In the given question, it says that If the time period were extended to 6 hours, the expected blood glucose level for Person A would be around 110-120 ml/L.
In this case, time is an independent variable whereas glucose level is the dependent variable as it depends on the time which means it changes according to the change in time.
On the basis of the given table,
there is a graph attached in which at x-axis the independent variable is represented and at the y-axis, there is the dependent variable and in respect of person, A and B graph is represented.The graph shows that that the blood glucose is dropping slowly for person A and begin to level off.on the basis of this revelation, it can be assumed that there would be a further drop of 10 to 20 units in the next two hours.
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what comes 1st in the scientific method
Answer:
The first step in the Scientific Method is to make objective observations. These observations are based on specific events that have already happened and can be verified by others as true or false.
Explanation:
your welcome
The process whereby phosphorus is drained away into ground water is called
agriculture
decomposition
leaching
sedimentation
Answer:
When soluble soil nutrients from the soil are washed away due to to effects of rain,floods or irrigation from agricultural practices the process by which this occurs is called LEACHING. As water molecules pass through different soil layers,soluble soil minerals are dissolved and carried by the water into the ground water.
Phosphorus is a soluble mineral which is easily carried away by the passing water molecules,and therefore drained from plants' roots.
if these were leached into rivers and drinking water,this may affect the water supply of the community as the percentage of Phosphorus increases in the water especially if NPK fertilisers were used.
In addition, some important solid nutrients are also leached into the underground soil layer leading to deficiencies in the plants.
Explanation:
A linear sequence of DNA nucleotides which provides the genetic information for a single characteristic is a _____. chromosome plasmid gene base pair
Answer:
Gene
Explanation:
This describes a gene or genotype -- the basic physical and functional unit of heredity.
Three species of lizard, labeled A, B, and C, are being studied using molecular analysis by two research colleagues in different laboratories. The mitochondrial DNA of lizards A and B are compared and are found to differ by 0.1%. The ribosomal RNA of lizards B and C are found to differ by 0.02%. They compare their findings and conclude that lizard B is more closely related to C than to A. What is the flaw in their reasoning, and how can their analysis be improved?
A.They applied different mathematical formulas for their computations. They should recalculate using the same formulas.
B'They compared different molecules which have different mutation rates. They should compare same molecule in the lizards.
C.They only made one measurement each. They should repeat their measurements to reduce the uncertainty in their results.
D.They used different equipment for analyzing the molecules since they work in different labs. They should work in the same lab.
Answer:
The correct option is B
Explanation:
The biomolecule used in comparing lizards A and B is the mitochondrial DNA while that used to compare the same lizard B to another lizard C is the ribosomal RNA (rRNA). They should have compared the same biomolecules throughout by extracting the mitochondrial DNA of the three lizards and then proceed to sequence the whole genome of the lizards. After which they can now do a Global alignment (comparison) of the three sequences together. This procedure would have given them a more accurate information on there identity and similarity.