Answer:
1- greater than
2-greater than
3- less than
Explanation:
I just did it on edge
1- greater than
2-greater than
3- less than
Which ,begin emphasis,two,end emphasis, statements describe how constantly changing conditions affect the overall population size of organisms living in the area?
The correct options would be B and E.
Variation in population sizeThe population size of each organism in different zones may not vary much due to the following:
Organisms in each zone have characteristics that make them be well-adapted to the zone. These include structures that help them attach to the rock, structures that help them breathe when exposed to the air, and so on.More on adaptations of organisms can be found here: https://brainly.com/question/1686177
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A scientist develops an experiment exploring the effect of water on plant growth. She will water identical plants with different amounts of water. - the number of plants - plant growth - the amount of water - plant growth and the amount of water
Answer:
plant growth and the amount of water.
To effectively know the effect of water on growth of plants, she must be considering the plant growth and the amount of water applied.
Hope it helps.
Which of the following is the most basic level of organization?
Tissue
Cell
Organism
Organ
Polycythemia is a condition where hematocrit numbers are high. High levels make the blood thicker, which can in strokes, blood clots, and heart attack. Which patient is most at risk for these complications? What chemical procduced by basophils thins the blood? What drug is often used as a blood thinner? (You may need to look these up.)
A blood clot, also known as a thrombus, is a solid mass of blood cells and protein fibers that forms when blood coagulates and solidifies. Blood clots typically form in response to injury or damage to the blood vessels, such as a cut or a broken vessel wall. The formation of a blood clot helps to stop the bleeding and protect the body from further damage.
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True/false: If the earths axis were perfectly vertical at 0 degrees we would not have any seasons
Answer: its true
Explanation:
the seasons are caused because of the tilt. without it, then there are no seasons at all. and because the tilt faces the sun and without that tilt then no seasons
The maintenance of normal volume and composition of extracellular and intracellular fluids is vital to life. List and briefly describe the kinds of homeostasis involved.
Answer:
Fluid Balance, Electrolyte Balance, Acid-Base Balance
Explanation:
The amount of fluids and the quantity of each are vital to the body for it to function properly. This is regulated by three kinds of homeostasis.
1- Fluid Balance : The balance of total liquids between the inside of the body and the outside environment so that the cells don't die.
2- Electrolyte Balance : The amount of electrolytes in the body must be kept at a level where the body's at a healthy pH level so that the nervous system and other functions that rely on neurological paths can continue.
3- Acid-Base Balance : It is required to be at a certain point so that the blood does not harm the kidney's and lungs and they can function properly.
I hope this answer helps.
A 16 year old male comes to the pharmacy counter and asks for a 10-pack of U-30 insulin syringes how do you handle the situation and why?
Typically, terpin hydrate is referred to as codeine. Doctors advise using codeine syrup, an opioid painkiller and appetite suppressant.
Acute bronchitis, pneumonia, inflammatory conditions of the upper respiratory tract, etc. are all treated with it.
When this medication is taken in excess, the following negative effects may occur:
fatigue, a decline in appetite, nausea or an upset stomach, and abdominal pain.
However, some individuals like abusing codeine syrup in order to feel pleasure and exhilaration. This frequently has a significant impact on someone's health.
As a pharmacist, I know that certain medications should only be taken as directed by a doctor.
To deal with this circumstance:
A doctor should request a signed manuscript from a patient indicating the purchase of such a medication when a 16-year-old female visits the prescription counter (where medication is purchased with a prescription).This is done to ensure that the purchase is legitimate and won't be put to any other use.The Code of Ethics of Pharmacists, Section 1, Line 2 is the mandatory pharmacy law that must be upheld. Obligations to patients and clients:If there is no supporting data, a patient should not be given a drug or medicine that is projected to be abused or hazardous to human health conditions.
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How does meiosis one and two contributed to genetic variation? use the diagram to explain your answer
Meiosis I contributes in genetic variation due to the event of crossing over. On the other hand, Meiosis II results in the formation of four daughter cells that are genetically different.
Meiosis is the process of cell division that changes the ploidy of the parent into half in the daughter cells. It is accomplished in two phases: Meiosis I and Meiosis II. Meiosis I is the reductional division where the actual ploidy is changes whereas Meiosis II is the equational division that leads to the formation of four different daughter cells.
Crossing over is an event that occurs in Prophase I of Meiosis. It is the process of exchange of genetic material between the two homologous chromosomes, one from the father while another from the mother.
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Which of the following is NOT considered a form of precipitation? *
Rain
Snow
Lightning
Hail
All of the above are considered precipitation
Answer:
Lightning is not considered a form of precipitation but rather a discharge of electricity.
What are sister chromatids?
O the matched set of two chromosomes
O the protein structures moving the chromosomes
O the middle region of a replicated chromosome
O he two identical copies of one chromosome
Answer:
hi how are you doing today Jasmine
The purpose of mitosis includes all of the following EXCEPT
A)repair of tissue in an injury cause by a burn
B) formation of a sex cell
C)replacement of cells removed by skinned knee
D)lengthening the long bones of a child
Identify the category each belongs to, based on the food it consumes
Answer:
pls the lightening is not good, I can only see the image of a leopard and an antelope
Explanation:
definitely a leopard carnivore and an antelope are herbivores animals (even though some may eat birds and small meats)
Hope this helps
Why does the reduction of the dye DCPIP work best using the chloroplasts whose outer envelopes have been damaged during preparation?
Answer:
NADP is the cofactors in photosynthesis which loses electrons,becomes reduced(NADPH) in photosynthesis. It transfer electrons in reduced form(NADPH) into the stroma of the chloroplast. The H is splits into e- and H+
These electrons for the ETC chains, generates the PMF for pumping H+ as protrons into the thylakoid intramembranes.
Outer membrane covers the intramembrane space, between these two membranes layers. The protons in the intramembrane space generate the electrochemical gradient for the supply of the energy used by ATPase synthase for ATP synthesis from phosphorylation with ADP.
The chloroplast is made up of both the outer and inner membrane,separated by the intramembrane space. The walls of the intramembrane space is guided by the outer envelope.
Therefore with the outer envelope removed, the intramembrane is exposed,more protons(H+) are released, but can not be held in the outer envelope to form electrochemical gradients,beacause the intramembrane space is now permable.
Thus the rate of reduction of DCPIP is faster.The color changes to colorless increases when reduced , from blue color.
Explanation:
The reduction of the dye DCPIP (2,6-dichlorophenolindophenol) works best using chloroplasts whose outer envelopes have been damaged during preparation because it allows easier access for DCPIP to the electron transport chain (ETC) components.
The outer envelope of chloroplasts contains phospholipid bilayers that act as barriers, limiting the movement of molecules in and out of the chloroplasts.
When the outer envelopes are damaged, DCPIP can diffuse more freely into the chloroplasts and come into contact with the ETC components, particularly photosystem I.
DCPIP acts as an electron acceptor, and in the presence of light, it is reduced by electrons from photosystem I, resulting in its color change from blue to colorless.
The damaged outer envelopes facilitate the interaction between DCPIP and the ETC, leading to more efficient reduction.
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An example of a consumer gaining chemical energy is: O A. a caterpillar spinning a cocoon. O B. a butterfly spreading its wings. O C. a spider eating an insect. O D. a squirrel burying an acorn.
Awnser:
C. A spider eating an insect.
Explanation:
The energy in glucose cannot be used directly by cells and must be broken down into an intermediate smaller energy molecule called:
Answer:
ATP
Explanation:
Glycolysis in cells breaks down glucose and produces 2 ATP, 2 NADH, and 2 pyruvate molecules. This can be used by cells to create energy for cellular processes.
In 2011, the wolf was removed from the endangered species list. In Idaho, their population has grown significantly since they were reintroduced to the ecosystem. Some ranchers feel that the wolves
are a threat to their livestock, and hunters worry about Idaho’s prized wild elk herds. A new law was recently enacted allowing the hunting and killing of 90% of Idaho’s wolf population. Use the Internet to research the roles that wolves play in their ecosystem. Then answer the following questions in complete sentences.
a. Describe two roles that wolves play in their ecosystem.
b. How would a sudden decrease in wolves affect the size of the elk population? Why?
c. Give an example of how an increase in the elk population could affect two other species in the ecosystem.
d. Would you support this law? Why or why not?
PLEASE ANSWER FAST IM IN THE TEST AND GOING FOR 15 POINTS
a. The wolves keep healthy the environment, and they check the population of deer and elks.
What are wolves?The wolf, commonly referred to as the gray wolf or gray wolf, is a big dog that is indigenous to North America and Eurasia.
b. Sudden decrease in wolves increase the size of the elk population. Because they are prey to the wolves.
c. increase in the elk population could affect two other species in the ecosystem, as they decrease the quantity of their prey.
d. No, I do not support the law of killing wolves, because they are also a part of the ecosystem and play an important role.
Thus, the following questions are explained above.
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Which could be a pathway of food through an ecosystem?
Answer:
autotroph - heterotroph – heterotroph
Explanation:
Just makes the most sense :P
1. What minerals are included in pumice?
Compare mitotic and post-mitotic cells (define, give example of each).
Answer:
Mitosis is a process where a single cell divides into two identical daughter cell.
EXAMPLE ----- the way the skin cells covering a child's body all multiple when they are growing.
A mature terminally differentiated (TD) cell no longer able to undergo mitosis is defined as post mitotic cells.
EXAMPLE-------- mature neurons and mature multiple cells.
HOW IT HELPS......
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List three major events in cell theory development.
Answer:
These findings led to the formation of the modern cell theory, which has three main additions: first, that DNA is passed between cells during cell division; second, that the cells of all organisms within a similar species are mostly the same, both structurally and chemically.
1. In 1683, Leewenhoek discovers bacteria.
2. In 1857, Kolliker describes mitochondria in muscle.
3. Ruska builds the the first transmission electron microscope.
Hope that helped in some way. x
If an individual is infected by two different antigens at the same time:
If an individual is infected by two different antigens at the same time:
At least two different plasma B-cells will be involved in the production of two different antibodies: option A.What are antigens?Antigens are molecules or substances that can elicit an immune response in the body by activating the production of antibodies or immune cells, such as T-cells.
Antigens can be found on the surface of cells, viruses, bacteria, fungi, parasites, or other foreign substances that enter the body.
When an individual is infected by two different antigens at the same time, each antigen will stimulate the activation of a different B-cell, leading to the production of two different antibodies. The immune system will then mount a response against both antigens simultaneously, utilizing different antibodies to bind and neutralize each one.
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Palisade mesophyll cells have very large vacuoles.
Explain how water moves from the xylem in the leaf into these vacuoles.
Answer:
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1-Water is passively transported into the roots and then into the xylem. 2-The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. 3- Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.
Which of the following particles always has a positive charge?
A. Neutron
B. Ion
C. Proton
D. Electron
Answer:
proton
Explanation:
proton +
electron -
neutron no charge
What term best relates to equilibrium?
secondary succession
pioneer species
climax community
primary succession
Answer:
The answer is option number 3. "Climax community"
Explanation:
The term that best relates to equilibrium is "climax community." A climax community is the final and stable stage of succession, where the community of organisms is in a state of equilibrium with its environment. This community is characterized by a diverse array of species that have reached a balance in their population sizes and interactions with one another and the environment. In other words, the climax community represents a state of ecological balance or equilibrium. In contrast, primary succession and secondary succession refer to the initial stages of succession in a newly formed or disturbed environment, while pioneer species are the first organisms to colonize such environments.
I hope this might help.
Can you please tell me 3 different mechanisms that lead to the formation of saltations?
Answer:
In biology, saltation (from Latin saltus 'leap, jump') is a sudden and large mutational change from one generation to the next, potentially causing single-step speciation. This was historically offered as an alternative to Darwinism. Some forms of mutationism were effectively saltationist, implying large discontinuous jumps.
Speciation, such as by polyploidy in plants, can sometimes be achieved in a single and in evolutionary terms sudden step. Evidence exists for various forms of saltation in a variety of organisms.
History
Further information: Alternatives to evolution by natural selection
Prior to Charles Darwin most evolutionary scientists had been saltationists.[1] Jean-Baptiste Lamarck was a gradualist but similar to other scientists of the period had written that saltational evolution was possible. Étienne Geoffroy Saint-Hilaire endorsed a theory of saltational evolution that "monstrosities could become the founding fathers (or mothers) of new species by instantaneous transition from one form to the next."[2] Geoffroy wrote that environmental pressures could produce sudden transformations to establish new species instantaneously.[3] In 1864 Albert von Kölliker revived Geoffroy's theory that evolution proceeds by large steps, under the name of heterogenesis.[4]
With the publication of On the Origin of Species in 1859 Charles Darwin wrote that most evolutionary changes proceeded gradually but he did not deny the existence of jumps.
From 1860 to 1880 saltation had a minority interest but by 1890 had become a major interest to scientists.[5] In their paper on evolutionary theories in the 20th century Levit et al wrote:
The advocates of saltationism deny the Darwinian idea of slowly and gradually growing divergence of character as the only source of evolutionary progress. They would not necessarily completely deny gradual variation, but claim that cardinally new ‘body plans’ come into being as a result of saltations (sudden, discontinuous and crucial changes, for example, the series of macromutations). The latter are responsible for the sudden appearance of new higher taxa including classes and orders, while small variation is supposed to be responsible for the fine adaptations below the species level.[6]
Explanation:
How we save water during washing clothes
Answer:
-Use Less Hot Water. Saving money in the laundry room has to start with hot water usage because turning cold water to hot water is the most energy-intensive part of the laundry process. Use warm or cold water when possible, and you instantly save on water energy costs.
-Upgrade to an Efficient Washing Machine
-Skip the Extra Rinse. Many washing machines have an option for an extra rinse cycle, so skip this step to save water.
Wood is a substance that burns in the presence of oxygen. Which best describes this property of wood?
O reactive
O combustible
metallic
O sour
Question:
The diagram below shows two different kinds of substances, A and B, entering a cell.
What process is responsible for moving substance A into the cell?
Answer:
CORRECT (SELECTED)
Active transport.
Explanation:
The concentration of substance A is higher inside the cell, so energy is needed to move it against its concentration gradient. This process is active transport.
The process responsible for the movement of substance A into the cell will be active transport.
What is active transport?It is a kind of cellular transportation of molecules against their concentration gradients through the use of energy.
Active transports are different from passive transports. The latter has to do with the cellular transportation of molecules in and out of the cell without involving the use of energy.
In the diagram, there is more concentration of substance A inside the cell than the outside. Thus, moving substance A into the cell will be a movement against its concentration gradient.
The movement of substances against concentration gradients always requires energy, usually in the form of ATP - active transport.
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4-toed mom with (t t) and 5-toed dad with (T t)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
~
5-toed mom (T t) and 5-toed dad (T T)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
~
5-toed mom (T t) and 5-toed dad (T t)
What is the probability for a 5-toed baby?
What is the probability for a 4-toed baby?
Answer:
the probability to have a 4 toed baby is 0% chance and the probability for a normal toed baby is 100%
Explanation:
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This graph shows the loss of calcium in a disturbed watershed (Watershed 2) and an undisturbed watershed (Watershed 6) in the Hubbard Brook Experimental Forest. Data were collected every year starting in 1963. Does this graph support the hypothesis that cutting the trees from a forested area causes the area to lose nutrients more quickly than leaving the trees in place? Explain your answer for full credit.
Based on the information in the graph, the hypothesis that cutting the trees causes the area to lose nutrients more quickly is true.
What does the graph show?The graph compares calcium loss in two areas, one that was a disturbed watershed (blue) and the other was an undisturbed watershed (purple).
Based on the observation of the graph, it can be seen that for the disturbed watershed the calcium loss drastically increase during the deforestation stage, while in the undisturbed watershed, the loss was stable. Based on this, the hypothesis is validated.
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