By being consumed by another organism, organic molecules from one organism's body can transfer energy from one trophic level to the next. But typically, there is not a particularly effective way to move energy between trophic levels.
The energy stored as biomass at one trophic level, such as primary producers, only accounts for 10% of the energy stored in the following trophic level (e.g., primary consumers).
In other terms, as trophic levels rise, net production falls by a factor of 10.
First-level trophic level members are producers. In the second trophic level, there are primary consumers. The third trophic level has secondary consumers. Because they are at a low trophic level than Tertiary Consumers, Secondary Consumers receive more energy.Since 27,500 Kj energy is present at the producer level, 10% of it will be available at the primary consumer level. This accounts for 2750 Kj of energy.Now, 10% of 2750 Kj of energy will be available at the secondary consumer level. This is equivalent to 275 Kj of energy.Learn more about trophic levels here:
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what would happen if every piece of technology around you were to disappear
Answer:
then there's no Wi-Fi call the ones we love and life would start get boring A world without technology would be very stressful, and without the technology that exists, we would have many problems that we don't have today. we wont have cars gas nice houses life would be disaster also no medicine would be there and lots people would die in hospitals.
Explanation:
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What holds ovum and what produces estrogen?
Answer: ovaries
Explanation:
The ovaries produce the female reproductive hormones estrogen and progesterone. Both of these hormones are used in the maturing of a female, helping them develop and become able to have children.
The ovaries also contain ovum. The ovum is a reproductive cell found in women. The ovum divides and gives rise to an embryo when fertilized by a male cell (sperm).
How does the animal biodiversity of the desert compare to others?
Answer & Explanation: Fewer animals live and adapt to the desert due to the harsh conditions and climate in the area, so the biodiversity of that region should be low.
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Which of the following is an indicator of acid deposition?
Erosion of structures and buildings
Decreased eutrophication of aquatic ecosystems
Clean lakes, rivers, or other bodies of water
Increase of nutrients in the soil for vegetation growth
Answer: Erosion of structures and buildings
Which option is an example of a physical property?
Responses
conductivity
conductivity,
pH
pH
reactivity
reactivity
rusting ability
rusting ability
An example of a physical property is conductivity.
What is physical property?Physical properties are characteristics of matter that are independent of changes in its chemical composition. Physical characteristics include things like density, color, hardness, melting and boiling points, and electrical conductivity, to name a few.
What is the importance of physical properties?Without altering the makeup of the material, physical qualities can be seen or quantified. In order to observe and characterize matter, physical attributes are used. Physical characteristics of substances and systems are frequently referred to as extensive and intensive Physical characteristics of substances and systems are frequently referred to as extensive and intensive characteristics.
Which physical property can be measured?Shape, mass, colour, volume, and texture are a few examples. Measurements can be made of other physical characteristics such melting point, boiling temperature, strength, hardness, and magnetism.
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The complete question is-
Which option is an example of physical property?
a. conductivity
b. rusting ability
c. ph
d. reactivity
What is the name the little asexual structures of Marchantia?
This graph shows the effects of an enzyme on a particular reaction. The red line on the graph shows the reaction without the enzyme while the blue line shows how the reaction progresses with the enzyme. 2. According to the graph, the enzyme Choose... affect the initial energy of the reactants. The enzyme Choose. the activation energy. The overall energy released Choose... Check Answer
It is safe to infer from the graph depicting how the enzyme effected the reaction that the enzyme had an impact on the reactants' activation energy.
Define enzyme.When compared to the reaction with the enzyme indicated by the blue line, the reaction without the enzyme shown by the red line revealed that the reactants had a larger activation energy.
Enzymes actually work by reducing the activation energy, also known as the energy needed to be overcome by reactants in order to become products.
Define activation energy.The smallest additional amount of energy that a reactive molecule needs in order to transform into a product is known as activation energy. The minimal amount of energy required to activate or energies molecules or atoms so that they can engage in a chemical reaction or transformation is another way to put it.
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The DNA sequence capable of pairing with 5’ CGATTAGT3’ is?
DNA is composed of two strands of nucleotides. The bases of these nucleotides form pairs: Adenine with thymine and cytosine with guanine. The complementary strand is 3' - GCTAATCA - 5' .
What is the composition of DNA?DNA is the molecule in charge of carrying genetic information needed for the correct cell functioning.
This polymer is composed of several monomers joined by their extremes. Each monomer has a phosphate group, a sugar, and a base (adenine, guanine, thymine, or cytosine).
DNA is composed of a double, coiled monomeric strand. One of the strand's bases pairs the bases of the other strand (adenine must always pair thymine, while guanine must pair cytosine).
These strands are known as the coding strand and the template strand. During DNA replication, the molecule unwinds to separate the strands, and two new chains are synthesized.
So, what we need to know to answer this question is that bases pairing is as follows,
Adenine (A) ⇔ Thymine (T)
Guanine (G) ⇔ Cytosine (C)
5’ - CGATTAGT- 3’
3' - GCTAATCA - 5' ⇒ complementary strand.
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what is a parasitism in science
Which specialized cell type would be found lining the trachea, the part of the body that brings air to the lungs?
Answer: Epithelial Cells
Explanation: It is epithelial cells because epithelial cells are cells that are found in the body surfaces. The conducting passage ways of trachea, nasal cavity, bronchi, bronchioles are lined with a special type of epithelial cells called pseudo stratified columinar epithelial cells which is ciliated and have mucus secreting globlets. These cells are found in the trachea because they have thin surface that facilitate diffusion, moisten the passage ways and protect the trachea from pathogens.
1. Name the two systems of control and coordination in higher animals?
2.What are the two parts of the vertebrate nervous system
Answer:
1)The two systems of control and coordination in higher animals are the nervous system and the endocrine system.
Explanation:
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2)The nervous system of vertebrates has two main divisions: the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, which in humans includes 12 pairs of cranial nerves, 31 pairs of spinal nerves, and the autonomic, or involuntary, nervous system.
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The properties of water are an essential part of what makes water unique. What effect does the properties of water have on Earth's surface and its systems?
The effect which the properties of water have on Earth's surface on the Earth's surface is that its unique polarity nature results in weathering and erosion.
However, water's unique properties also has an effect on living systems as it helps to dissolves solvent. This one unique property is the greatest property that water has such that the the Earth and its systems uses water as a universal solvent.
That being said, the effect of water cannot be overemphasized on the whole earth as is used by by all living organisms.
Properties of waterBelow are some few unique properties of water:
Water is a universal solvent. Water has heat capacityIt can conductor electricitySo therefore, the effect which the properties of water have on Earth's surface on the Earth's surface is that its unique polarity nature results in weathering and erosion.
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Question 6 (1 point)
Why are 9 amino acids considered essential?
Answer:
9 amino acids are considered essential because the body cannot produce them.
Explanation:
The 9 amino acids your body cannot produce on its own are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
These acids you must get from your diet (what you eat). That is why they are considered essential.
A student looks at a model of a glucose polymer and sees that it has many branch points. A label says
that it comes from muscle tissue. Identify this carbohydrate.
O A. amylopectin
OB. cellulose
OC. glycogen
O.D. starch
Answer:
c) glycogen
Explanation:
glycogen is used as storage in muscle tissues. It also has many branches as in this picture
Explain how the sodium/potassium exchange pump in the axon of neurons
maintains polarity. (2 marks)
Explain why polarity in an axon is necessary.
According to the research, the correct option is that the sodium-potassium pump is an ion exchanger, passing sodium ions (Na+) to one side of the membrane and moving potassium ions (K+) in the opposite direction, exerting polarity changes in the membranes.
What are the sodium/potassium exchange pumps?It is a physiological event that takes place between cells, during which an exchange of potassium ions for sodium ions occurs, being essential for the execution of the action potential, necessary for the transmission of electrical impulses from neuron to neuron.
In this sense, to act as an enzyme and be able to serve as a transport for NA and K ions, it needs the hydrolysis of ATP, leaving potassium ions on the side of the cytoplasm said polarity, generates a flow that allows the transmission of electrical potential , that is, the nerve impulse that moves the muscles.
Therefore, we can conclude that according to the research, the correct option is the sodium-potassium pump is an ion exchanger, passing sodium ions (Na+) to one side of the membrane and moving potassium ions (K+) in the opposite direction, exerting polarity changes in the membranes.
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why do you think a significant portion of the U.S. population today still doubts evolution, despite all of the evidence?
A significant portion of the US population today still doubts evolution, despite all the evidence, because there is no testable evidence about evolution, it's just evidence.
What were the criticisms leveled at Darwinism?The big problem with Darwinism is its claim to explain the existence of all forms of life through a blind mechanism like natural selection and its consequent denial of all teleology towards a transcendent.
What explains the evolution of species?
The idea of biological evolution does not refer to a hierarchical data between species, but to the changes that have taken place over the years, by the action of mutations followed by natural selection.
With this information, we can conclude that The main name of evolutionary thought was Charles Darwin, who established the law of Natural Selection. However, due to little study in the field of genetics, Darwin was unable to explain how the characteristics of individuals were passed on.
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(Choose all that apply) Unlike DNA, RNA contains:
A. uracil
B. adenine
C. phosphate groups
D. thymine
Answer:
A. uracil
Explanation:
RNA contains uracil instead of thymine (also known as 5 methyl uracil). The extra methyl group in thymine provides extra stability to the n-base.
inherited genetic variations are caused by genetics only . true or false ?
like i get that mutations also cause variations , but if its inherited genetic variations , then wouldnt the mutations be genetic ?
The words Only genetics can explain inherited genetic variances. They were brought on by crossover and assortment during the meiotic development of sex cells and it is untrue that mutations are always bad. The transmission and expression of genes are influenced by a number of circumstances. This subject is called epigenetics. Another potential source of genetic diversity is the haphazard merging of sex cells. True, differences in genetic sequences are also caused by mutations.
A fundamental idea in genetics, genetic inheritance describes how traits are passed down from one generation to the next. Genetic inheritance happens as a result of DNA being handed from one set of parents to another during conception.To know more about genetics, visit:
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You hold a 5-kg book 1.2 meters above the floor for 2 minutes. How much work did you do?
The work done while holding a 5-kg book 1.2 meters above the floor for 2 minutes would be zero.
What is work?
Work is a measure of energy transfer that happens when an item is moved across a distance by an external force that is applied in at least part of the displacement direction. Work may be calculated if the force is constant by multiplying the length of the path by the component of the force operating along the path.
To put this notion into mathematical terms, the work W is equal to the force f multiplied by the distance d, or W = fd. The work done when the force is applied at an angle θ to the displacement is W = fd cos θ. Work on a body is done not only by moving the body as a whole from one location to another, but also by compressing a gas, spinning a shaft, and even producing invisible movements of the particles within a body by an external magnetic force.
Here, W= Fd
W = F × 0 (No displacement occured)
W = 0
Therefore, in this case, the work done is zero.
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Electrons travel in circles around the nucleus (proton and neutron center of an atom
In a covalent bond, the shared electrons travel around:
a. Both nuclei.
b. Neither nuclei.
c. The nucleus of the stronger atom.
d. The nucleus of the weaker atoms.
Electrons travel in circles around the nucleus (proton and neutron center of an atom
In a covalent bond, the shared electrons travel around: a. Both nuclei.
What causes an electron to circle?The magnetic force acting on a charged particle is perpendicular to both its direction of motion and the magnetic field when it moves at right angles to the magnetic field. Circular motion may occur from this.
The lowest energy electrons are located on the circle that is most next to the nucleus. The highest energy electron is found on the outermost circle, followed by eight others with greater energies.
Orbitals are the names for these areas of space. Each orbital can only ever have a maximum of two electrons present. Since all electrons with the same amount of energy must inhabit the same zone, according to Bohr, electrons have fixed amounts of energy.
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11. In the space below, draw a sketch to help you remember what negative feedback is.
Answer:
Click the file to view a picture that can be used as an example.
Explanation:
what happens during the final stage of celluliar resperation
Answer: The Electron Transport Chain is the final stage of cellular respiration.
Explanation:
PLS HELP 30 POINTS
Humans impact the environment in a variety of ways, good and bad. And sometimes, doing the same thing in a different way can have a very different impact. Sort the activities below according to whether they have a detrimental or beneficial impact on our environment.
Question 1 options:
Clear cutting an old forest
Sustainably harvesting trees
Constructing a salmon fish farm
Overfishing of certain species
Answer:
Clear cutting an old forest: detrimental
Sustainably harvesting trees: beneficial
Constructing a salmon fish farm: beneficial
Overfishing of certain species: detrimental
Explanation:
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Which of the following was NOT given to returning veterans by the GI Bill of Rights?
A. Funding for education
B. Professional training
C. Federal housing loans
D. Discounts on necessary goods
Answer: D. Discounts on Necessary Goods
Explanation:
A - C are covered in the GI bill. D is not
in which organizational level is the eye in
Answer:
organ
Explanation:
Centrosome, Lysosome and Peroxisome are all typical of which type of cell?
Centrosome, Lysosome, and Peroxisome are all typical of the eukaryotic type of cell.
What are centrosomes?Centrosomes are cells made up of two cylindrical cells. In animal cells, centrioles aid in cell division. They build the cilia and flagella of the cells' basal bodies.
Lysosomes perform both the intracellular digestion of bacteria and the autolysis or self-digestion, of cells.
The peroxisome is a component of plant photosynthetic cells. The liver and kidney cells of vertebrates include the oxidase and catalase oxidative enzymes, which are separated by a unit membrane.
Thus, the cells given are eukaryotic cells.
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Unlike the methods of early scientists, how did Sir Francis Bacon believe basic laws of science should be determined?
A. By using inductive reasoning based on empirical evidence
B. By using inductive reasoning based on a few basic truths
C. By using deductive reasoning based on a few basic truths
D. By using deductive reasoning based on empirical evidence
Answer:
A. By using inductive reasoning based on empirical evidence
Explanation:
Answer:
A.by using inductive reasoning based on empirical evidence
Explanation:
PLS HELP 30 POINTS
Humans impact the environment in a variety of ways, good and bad. And sometimes, doing the same thing in a different way can have a very different impact. Sort the activities below according to whether they have a detrimental or beneficial impact on our environment.
Question 1 options:
Clear cutting an old forest
Sustainably harvesting trees
Constructing a salmon fish farm
Overfishing of certain species
Answer:
Explanation:
Clear cutting an old forest
2 unsure
Sustainably harvesting trees
1
Constructing a salmon fish farm
1
Overfishing of certain species
2
Which of the following membranes are NOT made out of cells?
A.Basement Membrane
B.Mucus Membrane
C.Cutaneous Membrane
D.Serous Membrane
Answer:
A. Basement membrane.
Explanation:
They are non cellular or acellular membrane which is secreted by epithelial tissue and connective tissue. They are selectively permeable, so they help in the exchange of materials between the two tissues.
Read the following sentences from the text. “That’s not all,” said Mike’s mom. “The organs in your body are made of various tissues. For example, your heart is made of all four types of tissue. All of the tissues in your heart work together to pump blood through your body. The heart is one of five vital organs in humans. The other vital organs are the brain, kidneys, liver, and lungs.” “So these organs are important in keeping me alive?” asked Mike. “Yeah, and each organ performs its specific function because of the tissues that constitute it.” As used in this sentence, what does the word “constitute” most nearly mean?
The word "constitute" most closely resembles the word "compose" in the sentence "Yeah, and each organ performs its specific function because of the tissues that constitute it."
Briefing:The majority of the heart is made up of cardiomyocytes and connective tissue. Elastic fibers embedded in dense connective tissue make up the cardiac/fibrous skeleton.
Connective tissue :Tissue that supports, protects, and gives other body tissues and organs structure. Connective tissue assists in the storage of fat and the repair of damaged tissue in addition to assisting in the transportation of nutrients and other substances between tissues and organs. Connective tissue is made up of fibers and cells and has a gel-like consistency.
Loose connective tissue, dense connective tissue, and specialized connective tissue are additional categories of connective tissue.
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