Answer:
A. Plastic
Explanation:
The heat release rate for expanded plastics is generally greater due to the relatively low density and resulting high burning rate.
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30) A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem
In this food web, which organisms contain matter that moves to the beaver?
A) Silver maple
B) Pine vole
C) Parasol fungus
D) Swallowtail caterpillar
Answer:
A) Silver maple
Explanation:
When looking at the food web, you can see that the arrow pointing at the beaver is going from the silver maple.
In the Galapagos Island finches, the variation in the beak shape correspond to which finch characteristic?
Answer:
Their diet
Explanation:
Over time, all of the finches adapted to their food source. This caused the evolution of their beaks to begin.
Propose an ecological solution that would protect the tiger species by maintaining the complex interactions within an ecosystem. Provide at least one strength and one limitation to this proposed solution.
Tigers have the ability to coexist with their own predators like brown bears, leopards, etc. In this condition, it is the risk that these predators may threaten the tiger species. Therefore, it is required to construct a special habitat for tigers where they get enough resources without any threat.
What is an Ecosystem?An ecosystem may be defined as a place or area where members of different species live together and interact with one another for the purpose of food, shelter, and space.
The strength of the above solution is that the population of tiger species will be maintained in near future, but the limitation is that here we provide an artificial habitat for the tiger. Now, it depends on them to reside naturally or not.
Therefore, it is well described above.
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Species evolve useing what process
A evolution
B natural selection
C acquired characteristics
D surprise
Answer:
b
Explanation:
Hunting in the area causes all of the shrews in the area to be
killed. How would this affect the rest of the organisms in the
food web?
Answer:
C: the number of crickets would increase
Explanation:
If less shrews were to exist than their prey would increase because they have less predators.
What is the relationship between population and demand for resources?
equal
There is no relationship.
inversely proportional
directly proportional
Can somebody help me with this please?
Which type of renewable energy is seen by
engineers to be the most promising looking
toward the future?
The point on Earth's surface that is directly above where an earthquake begins is the _____.
The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter
When a substance accumulates within a living organism, it is known as ____.
A: Bioaccumulation
B: Venomous
C: Non-persistent
D: Corresive
Answer:
A: Bioaccumulation
Explanation:
It accumulates (builds up) in you, its bioaccumualtion.
For what purpose was NASA
formed by the United States in
1958?
A. building up national defense
B. repairing the country's infrastructure
C. increasing industrial efficiency
D. taking over the space program
The purpose of the formation of NASA by the United States in 1958 was D. Taking over the space program.
What was the US space program?The US space program centered on:
Solar system explorationOuter space explorationHuman spaceflightAerospace and aeronautics researchEarth science and space science.NASA was not formed for:
National defenseInfrastructure repairsIncreased industrial efficiency.Thus, NASA was formed in 1958 to oversee U.S. space exploration and aeronautics research in response to the Soviet Union's Sputnik I in 1957.
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which of these describes the gulf stream
Answer:
The Gulf Stream is formed from the convergence of the North Atlantic Equatorial Current bringing tropical water from the east, and the Florida Current that brings warm water from the Gulf of Mexico . The Gulf Stream takes this warm water and transports it northwards along the U.S. east coast . As a western boundary current
Glycogen is an energy-storage molecule in humans. A hormone that is called insulin controls the storage of glycogen in the liver. Insulin is made up of amino acids.
Which statement correctly identifies the types of macromolecules that are described?
Glycogen is a protein, and insulin is a lipid.
Glycogen is a protein, and insulin is a protein.
Glycogen is a carbohydrate, and insulin is a lipid.
Glycogen is a carbohydrate, and insulin is a protein.
The statement "Glycogen is a carbohydrate, and insulin is a protein" correctly identifies the types of macromolecules that are described. Thus, the correct option is D.
What is the main function of Glycogen?The main function of glycogen is to control the release of glucose into the blood when the condition is glucose deficient. It is the liver that directly contributes to the release of glucose into the blood.
Insulin is a hormone that is made up of amino acids, hence it is a small protein that contains almost all structural features of proteins.
Glycogen is a complex carbohydrate that can easily and rapidly coverts the form of glucose into energy.
Therefore, the correct option for this question is D.
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Please tell me the following correct answers if I am wrong. Multiple Choice
Drag each label to the correct location on the diagram.
Label the parts of the brain.
Answer:
Left Side - Cerebrum, Hypothalamus, Pons, Medulla Oblongata
Right Side - Thalamus, Midbrain, Cerebellum, Brain Stem
Explanation:
I got it right on the Edmentum Mastery Quiz.
Left side - 1. Cerebrum, 2. Hypothalamus, 3. Pons, 4. Medulla Oblongata, and on the right side - 1. Thalamus, 2. Midbrain, 3. Cerebellum, 4. Brain Stem is the correct label for the brain structure.
What is the structure of the brain?The brain consists of the central organ which controls every part of the body and coordination with each organ system, it maintains body homeostasis through signaling and neurons.
In the brain, there are several parts Cerebrum, Cerebellum, Medulla Oblongata, Thalamus, Hypothalamus, Midbrain, and Brain Stem, all these parts play an important function in the body.
Hypothalamus is responsible for the signaling to produce hormones by the pituitary gland, which controls the body's regulation.
Therefore, the given diagram of the brain shows various parts responsible for the regulation of the body.
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Select the correct location on the image.
Students are having a group discussion and notice that Maria has not had a chance to introduce her thoughts.
Which student response best draws Maria into the discussion?
Is Maria even
paying attention?
Maria, what do
you think?
Don't you
agree, Maria?
Alright, Maria, will
you settle this
argument?
Is Maria even paying attention? is the student response which best draws Maria into the discussion.
What is Discussion?
This is defined as the process of talking with people about a particular subject or topic.
Is Maria even paying attention? will make her alert and more involved so as to know what is being talked about.
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Answer:
Maria What do You think
Explanation:
The Least rude Way Of saying it
Research into nuclear fusion will likely require a large investment of time and money before it might be used as an energy source.
Which statement best describes the benefits that would make the investment worthwhile?
Fusion requires a large amount of energy and occurs in stars.
Fusion produces large amounts of energy, and the fuel is found on Earth.
Fusion produces no radioactive waste, and the fuel is plentiful.
Fusion requires little energy to begin and would continue through a chain reaction
The statement best describes the benefits that would make the investment worthwhile is Fusion produces no radioactive waste, and the fuel is plentiful, which means letter C.
What is nuclear energy?Nuclear or atomic energy is the energy produced in thermonuclear plants, which use uranium and other elements as fuel. The working principle of a nuclear power plant is the use of heat to generate electricity.
Some of the advantages of this energy is abundance of uranium, as an essential element in the production of nuclear energy and no use of fossil fuels.
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Name two types of evidence scientists use to support the theory of evolution.
5:18 science unit test part 2
100 POINTS TO WHOEVER ANSWERS!!!
Sebastian wants to make ball-and-stick models of the four macromolecules. He has colored balls for each of the elements in these molecules, including the following.
red: hydrogen
black: carbon
purple: oxygen
green: nitrogen
Which molecule could he make that consists of long chains of red and black colored balls?
carbohydrates
lipids
nucleic acids
proteins
Macromolecules are defined as large molecules like lipids, proteins, and carbohydrates.
In the given data, the red colour denotes hydrogen and black denotes carbon. The molecule that needs the majority of red and black color is carbohydrates. Thus, option "A" is correct.
What are Carbohydrates?Carbohydrates can be explained as:
Carbohydrates are the macromolecules, generally referred to as sugar. Carbohydrates are the primary nutrients of the diet along with proteins and fats.
Carbohydrate is a biomolecule that is made up of carbon, hydrogen, and oxygen atoms. The monomeric units of carbohydrates are monosaccharides.
Thus, the correct answer is Option A.
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A fly has two alleles for the color of its eyes. The green allele is recessive, and
is represented by q. The blue allele is dominant, and is represented by p. If 44
of 100 organisms are green, what is p?
Homozygous dominant+ Heterozygous + Homozygous recessive = 1
↓↓↓
p²+ 2pq+q=1
A. 0.66
B. 0.56
C. 0.44
D. 0.34
Answer: D. 0.34
Explanation:
The Hardy-Weinberg Principle is a theory in biology that represents populations of organisms that don't experience any changes in genotypic frequency from generation to generation. These populations must meet the following conditions:
No genetic mutationsCompletely random matingNo gene flowNo selection (natural or artificial)An infinite population sizeIf a population meets these criteria, its genetic and allelic frequencies will remain constant and the population will be in Hardy-Weinberg Equilibrium. However, it is not possible for this to occur in nature, because at least one condition will always be violated in natural populations.
Hardy-Weinberg EquationsThere are two important equations to use when doing problems like this. The first is p + q = 1. It represents the allelic frequency of the population.
p = the frequency of the dominant alleleq = the frequency of the recessive allele
The second equation is p² + 2pq + q² = 1, which shows the predicted frequencies of the three possible genotypes.
44 of our 100 organisms are green, and we know that to be green, they must have a homozygous recessive genotype (gg). That means that the frequency of homozygous recessives (q²) = 44/100 or 0.44. Since we have q², we can just take the square root to find q.
[tex]\sqrt{q^2}[/tex]= [tex]\sqrt{0.44}[/tex]
q = 0.66
Now, we can plug q into our first equation, p + q = 1.
p + 0.663 = 1
p = 0.337, or about 0.34
To make sure these are right, we can plug them into the Hardy-Weinberg equation to check!
p² + 2pq + q² = 1
(0.34)² + 2(0.34)(0.66) + (0.66)² = 1
0.1156 + 0.4488 + 0.4356 = 1
1 = 1
In a grassland ecosystem, praying mantises catch and eat grasshoppers. However, there has been a significant decrease in the praying mantis population in recent years.
How will this most likely affect the grasshopper population over time?
The population will decrease because grasshoppers are the competition.
The population will increase because grasshoppers are the prey.
The population will increase because grasshoppers are the competition.
The population will decrease because grasshoppers are the prey.
Answer:
The population will increase because grasshoppers are the prey.
Answer - B. The population will increase because grasshoppers are the prey.
Because this is a Unit Test you just have to trust me.. Hope this helps. Good luck!
Identify the structures in the cell pictured on the
right.
Label A
Label B
Label C
Label D
Label E
Answer:
Label A = Nucleus
Label B = Cytoplasm
Label C = Ribosomes
Label D = DNA
Label E = Cell Membrane
Explanation:
Hope this helps :)
The person above me is correct :)
A. Nucleus
B. Cytoplasm
C. Ribosomes
D. DNA
E. Cell membrane
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- Correct on Edge 2022.
Name the plant tissue
The different types of plant tissues are:
1. Meristematic tissues - It is of three types: Apical, Lateral and lntercalary.
2. Permanent Tissue - It of two types: Simple and Complex tissues. Simple tissues are of three types Parenchyma, Collenchyma and Sclerenchyma.
Complex tissues are of two types - Xylem and Phloem.
What is the best way to prevent the growth of bacteria on food preparation surfaces?
The best way to prevent the growth of bacteria on food preparation surfaces is sterilization. Details about sterilization can be found below.
What is sterilization?Sterilization is the process of treating something to kill or inactivate microorganisms.
Sterilization can also be done to prevent the reproduction of microbial population.
It is a known fact that microbes are responsible for food spoilage, hence, to prevent this, it is important to kill or get rid of them.
Therefore, the best way to prevent the growth of bacteria on food preparation surfaces is sterilization.
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Describe a trophic cascade (at
least three organisms long)
that would occur if the orca
whale population were to decrease
Answer:
escribe a trophic cascade (at
least three organisms long)
that would occur if the orca
whale population were to decrease
Explanation:
Match the following terms and definitions.
1.
short-term hormonal influences on animal behavior usually
occurring late in life
2.
a technique that associates a natural response to a stimulus
to an unrelated stimulus; also called Pavlovian conditioning
3. the study of animal behavior in its natural environment
4, when an animal learns not to respond to a stimulus
5. finding a solution to a once unsolvable problem
6,
learning that has taken place but is dormant until a situation
requires it
100
classical conditioning
insightful learning
ethology
latent learning
habituation
activational effects
1. Short-term hormonal influences on animal behaviour usually occurring late in life - activational effects
2. A technique that associates a natural response to a stimulus to an unrelated stimulus; also called Pavlovian conditioning -- classical conditioning
3. The study of animal behaviour in its natural environment - ethology
4. When an animal learns not to respond to a stimulus - habituation
5. Finding a solution to a once unsolvable problem - insightful learning
6. Learning that has taken place but is dormant until a situation requires it - latent learning
How, explain your answer?
Activational effects are the sudden or immediate temporary transient effects of behavioural changes due to the influence of hormones, especially the gonadal or these hormones. The behaviour change in male animals due to an increase in male se hormonal activity can be referred as an activational effect.
Classical conditioning facilitates learning of a behaviour when a conditioned stimulus is associated with an unconditioned stimulus leading to a conditioned response. Animal training by pairing a new unconditioned stimulus with an already known conditioned stimulus, a new conditioned response of behaviour change can be observed.
Ethology refers to the scientific zoological study (includes both laboratories as well as natural field studies) of animals' behavior with relation to their natural environment. It studies and compares about animal behavioral processes changes under various disciplines like ecology, anatomy, evolution etc.
Habituation is an associative learning process that results when an animal learns to resist a stimulus and not to respond to it after repeated exposure.
Insightful learning occurs when various parts of a problem are analyzed and their relationship is understood to arrive at the solution suddenly. Animals must look at a situation as a whole, and observe and analyze it to solve the problem. Some animals like chimpanzees can learn through insightful learning
Latent learning occurs without any associated reinforcements. Animals learn new behaviour through latent learning.
Thus, this could be the answer.
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what type of nitrate helps algae grow?
Answer:
potassium nitrate (KNO3)
Explanation:
Differences between the chromosphere and corona of the sun
Corona is the outermost layer whereas chromosphere is the transparent layer of the sun.
What is the differences between the chromosphere and corona of the sun?Corona is the outermost, hot shell of the atmosphere of the sun while on the other hand, the chromosphere is a transparent layer present between the corona and the photosphere.
So we can conclude that Corona is the outermost layer whereas chromosphere is the transparent layer of the sun.
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Answer:
I is a low density layer which is about 2,000km thick. It is called chromosphere because it has a red to pink colour. It is normally only visible during a solar eclipse. The corona is plasma surrounding the Sun which extends hundreds of kilometers from the surface of the Sun.
If a company is organized by function, that means it is grouped into departments based on what? A. The type of work people do B. The product being produced C. The type of customer being served D. Location Please select the best answer from the choices provided A B C D
Answer:
A
because a is d correct answer
PLEASE HELP PLEASE
Do you think this is a good way to eliminate invasive species from an ecosystem? Do you think the risks of the gene drive getting into another species are worth gaining biodiversity in an ecosystem? Explain your opinion.
Use of bioagent is a good way to eliminate invasive species from an ecosystem.
What is a good way to eliminate invasive species from an ecosystem?In my opinion, to eliminate the invasive species from an ecosystem we should find out its bioagent instead of chemical spraying because bioagent does not adversely affected the environment.
The risks of the gene drive getting into another species are not worth gaining biodiversity in an ecosystem because it leads to many consequences and unpredictable effects on ecosystem.
So we can conclude that use of bioagent is a good way to eliminate invasive species from an ecosystem.
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Yes, it is a good way to eliminate invasive species from an ecosystem. This is because invasive species play a critical role in the limitation of biodiversity of a particular ecosystem.
What is Biodiversity?Biodiversity may be defined as the sum total of all the variety of living organisms in a particular ecosystem.
No, the risks of the gene drive getting into another species are not worth gaining biodiversity in an ecosystem. This is because it directs considerable influences and unanticipated impacts on the ecosystem.
Therefore, it is well described above.
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