The most common predator of the Northern Pike fish is humans, who enjoy the sport of catching this fast swimmer along with consuming their catch. These fish seek areas of dense vegetation or shallow water that is covered and stays cool. A certain lake with a large pike population becomes isolated due to development that eliminates the road leading to the lake. After several years what explains the population changes seen in the graph?
Answers
Answer:
C
Explanation:
Related Questions
So why does our heart beat faster when we exercise?
How about muscle cramps?
Answers
Answer:
during exercise, your body may need three or four times your normal cardiac output, because your muscles need more oxygen when you exert yourself. During exercise, your heart typically beats faster so that more blood gets out to your body.
Explanation:
Answer:
Our heart beats faster because we are making our bodies work harder, and faster.
50 POINTS AND BRAINLIEST IF YOU ANSWER CORRECTLY.
A Colorblind male and a female that is h o m o z y g o u s for the normal allele have offspring. what percent of males would have normal vision, what percent of males would have colorblindness, what percent of females would have normal vision, and what percent of females would have colorblindness?
Answers
Answer:
none of the males or females could be colorblind, assuming that this question is referring to x-linked recessive inheritance patterns.
Explanation:
if it is an x linked recessive trait, then the male's genotype is, with (b) representing colorblindness and (B) representing normal vision. the female, who is h o m o z y g o u s for normal vision, would have the genotype.
It would be impossible for the dad to pass on his colorblind gene to a son, because he can only pass a Y chromosome to the son. and a daughter would get the colorblind gene, but the normal gene donated by the mom would dominate it so the daughter could not actually be colorblind
The processes involved in the rock cycle include all of the following EXCEPT:
compaction
O condensation
O weathering
O erosion
1
Answers
Answer:
Condensation
Explanation:
Condensation is about water not rocks.
will mark brainliest
Answers
hahah you don't know this? can't imagine being that dumb must suck.
Which example best illustrates that light behaves like particles?
Light bends as it strikes a window.
Light bounces off a white cement sidewalk.
Light travels in space at a speed of about 3.0 x 108 m/s.
Light increases in speed as it moves through matter.
ASAP
Answers
Answer:
Light bounces off a white cement sidewalk.
Answer:
the answer is B
Explanation:
Guided by powerful signaling molecules, the human heart develops from ______. a) ectoderm b) mesoderm c) cardioderm d) endoderm.
Answers
Guided by powerful signaling molecules, the human heart develops from b) mesoderm
The human heart develops from mesoderm, a type of tissue that is located between the ectoderm and endoderm in the embryo. Mesoderm is the embryonic tissue that gives rise to all the organs and tissues in the body. During the embryonic development, mesoderm cells migrate from the center of the embryo to different regions of the body.
As these cells make their way, they are guided by powerful signaling molecules that play a crucial role in the formation of the heart, such as Sonic Hedgehog, BMP, Wnt and FGF. These signaling molecules direct the differentiation of mesoderm cells into precardiac mesoderm, which further give rise to the cardiac progenitor cells that then form the different layers of the heart.
The cardiac progenitor cells differentiate into four distinct layers, the atria, ventricles, endocardium, and epicardium. These layers then develop into the heart tube, which is the precursor of the heart. Lastly, the heart tube is remodeled and folded into the adult heart and its chambers.
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did your peripheral capillary oxygen saturation values change with levels of activity? why do you think this would happen
Answers
The percentage of blood's oxygen that is bound to hemoglobin is known as peripheral oxygen saturation. Exercise causes a little decrease in peripheral capillary blood oxygen levels.
Why is hemoglobin low, and what does that mean?Your levels of hemoglobin may fall if an illness or condition impairs your body's capacity to make red blood cells. You'll experience extreme fatigue and weakness if your hemoglobin is low, which suggests your system isn't getting enough oxygen.
What transpires when the hemoglobin level is high?In addition to other symptoms, elevated hemoglobin levels can cause fatigue, bruising easily, and dizziness. Your doctor can suggest a course of action to get rid of extra red blood cells of you blood based on the root reason of your excessive hemoglobin.
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In an experiment, a researcher prepares a reaction mixture by dissolving a substance in a buffered solution. The substance is the substrate of a certain enzyme. The researcher adds a small amount of the enzyme to the reaction mixture and measures the amount of product that is formed over time. Which of the following best predicts the immediate result of adding more substrate to the reaction mixture at the point indicated by the arrow in Figure 1?
answer choices
The amount of product will decrease until the reaction rate goes to zero.
The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction.
The amount of product will increase without stopping because the enzyme will be unchanged by the reaction.
The amount of product will decrease until the reaction reaches its equilibrium point or until the enzyme is been used up by the reaction
Answers
Until equilibrium is reached or all of the substrate has been eaten, the amount of product will continue to increase.
How can the rate at which an enzyme-catalyzed reaction occurs be determined?It is possible to identify enzyme catalysis by measuring the appearance of the product or the disappearance of the reactants. The same reactants may be used in a reaction, but a different catalyst may produce different results.
Which of the following would speed up how quickly reactants turn into products in a chemical reaction?The more the temperature rises, the more crashes occur. As a reactant's concentration rises, the likelihood of reactant collisions increases as well, accelerating the rate of the reaction.
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Standard deviation is meant to show how close the mean of the data set is to the actual mean
•True or False
Answers
Answer:
False
Explanation:
A small standard deviation means that the values in a statistical data set are close to the mean of the data set, on average, and a large standard deviation means that the values in the data set are farther away from the mean, on average.
diagram x,y and z represent the apparatus and material used to test for specific food type. study the graph amd answe questions that follow:State the aim of each test x,y and z
Answers
The dense, active protoplasm found in the center of the cell is the:
A) nucleus
B) membrane
C) mitosis
D) cytoplasm
Answers
The dense, active protoplasm found in the center of the cell is the nucleus. It plays a crucial role in controlling cell activities and contains the cell's genetic material. So the answer is A) nucleus.
The dense, active protoplasm found in the center of the cell is the nucleus. It is often referred to as the "brain" of the cell because it contains the cell's genetic material in the form of DNA. The nucleus is surrounded by a double-layered nuclear membrane that protects the DNA from damage and regulates the movement of substances in and out of the nucleus. The DNA in the nucleus contains the genetic information that determines the structure, function, and behavior of the cell. The nucleus is critical for cell growth, development, and reproduction, and plays a crucial role in the overall function of the cell.
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1. describe the structure of the heart, the pattern of blood flow through the valves and chambers of the heart, how the heart as a muscle is supplied with blood, and what happens when the resting heart must suddenly supply an exercising body.
Answers
The heart has two atria and two ventricles. It is enclosed in a tough membranous sac called the pericardium. The cavity between these is filled with pericardial fluid. The right side pumps de-oxygenated blood to the lungs, and the left side pumps oxygen-rich blood to all other tissues.
Brief anatomy of heart:The heart exerts more physical force than any other muscle. The heart pumps blood through the cardiovascular system, a network of arteries and veins, which is situated in the center of the chest between the lungs. Blood is pushed toward the body's tissues, cells, and organs. Every cell receives oxygen and nutrition from the blood, which also eliminates the waste products produced by the cells, such as carbon dioxide. Through an intricate web of arteries, arterioles, and capillaries, blood is transported from the heart to the rest of the body. Veins and venules transport blood back to the heart The left atrium, right atrium, and two lower chambers known as the left and right ventricles make up the four chambers that make up the heart. The tricuspid, pulmonary, mitral, and aortic valves are its four valves. The largest veins in the body, the superior and inferior vena cava, supply non-oxygenated blood to the right atrium, which then pumps it to the right ventricle via the tricuspid valve. Blood is pumped from the right ventricle to the lungs, where it is oxygenated, via the pulmonary valve. Blood that has been oxygenated by the lungs enters the left atrium and is pumped to the left ventricle via the mitral valve. Blood that is rich in oxygen is pumped from the left ventricle to the aorta and the rest of the body through the aortic valve. The coronary arteries follow the surface of the heart and provide the heart muscle with blood that is enriched in oxygen. The heart is also covered in a web of nerve tissue, which carries the intricate signals that control contraction and relaxation. The pericardium, a sac, encircles the heart.
Sudden stress causes the left ventricle to have an increased need to supply blood, leading to hypertrophy.
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Name the basic parts of a chemical equation, and what they represent.Name the basic parts of a chemical equation, and what they represent
Answers
The left-hand side of a chemical equation represents the reactants and the right-hand side represents the products.
A chemical reaction equation shows that starting compound is the reactants on the left and the final compound(s) is the products which is on the right, and separated by an arrow.
For a chemical reaction to be balanced number of atom on each element and total charge has to be same in both the sides . Chemical reaction is classified into three basic parts reactant , product and yield and are separated by a an arrow . Reactant are the compound that goes for a reaction and under goes chemical changes .
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All of the following are differences between RNA and DNA except
A.RNA is a nucleic acid, DNA is not
B.RNA contains uracil, DNA does not
C.RNA contains ribose, DNA does not
D.RNA is single stranded, DNA is double stranded
Answers
Answer:
A
Explanation:
both DNA and RNA are nucleic acids
How does an
enzyme speed up a chemical
reaction?
Answers
Answer:
By lowering the activation energy
Explanation:
Enzymes are biological catalysts. Catalysts reduce the activation energy for reactions. The lower the activation energy for a reaction, the quicker the rate. Common enzymes convert shape when substrates unite. Enzymes lower the activation energy required to turn a reactant into a product. Consequently, an enzyme-catalyzed reaction pathway has a smaller energy activation to succeed ere the reaction can progress. Therefore, enzymes speed up reactions by lowering the activation energy.
Which part of a prosthetic limb keeps the prosthetic attached to the residual limb?
A. Blades
B. Pylon
C. Suspension system
D. Carbon fibers
Answers
Answer:
C. Suspension system
Explanation:
When dealing with prosthetic limbs the suspension system is how the prosthetic remains attached to the residual limb. This system makes sure that the prosthetic is firmly attached and only has the necessary movement for the prosthetic but nothing more. There are a couple of different suspension systems, the three most widely used ones would be Anatomic suspension, belt suspensions, and upper limb suspension systems.
which reproduction uses non reproductive plants of a plant to produce new plants
Answers
Answer:
Vegetative propagation
Explanation:
Vegetative propagation does not require seeds or spores. Instead, offspring grow from a part of the parent plant.
Scientists estimate that the fossils found thus far represent about _____ of all species that have ever lived.
O a. 75%
O b. 95%
O c. 19%
O d. 50%
O e. 15%
Answers
Answer:
Explanation:
the answer is 1% but it is not one of the answers on here
Before a cell divides, it
completes the action in the
image. What is this process
called?
A. DNA replication
B. Translation
C. Transcription
D. Sexual Reproduction
Answers
Stakes have been set 50 feet apart. There is a 1 foot rise from stake 1 to stake 2 Determine the percent slope. Is it nearly level, gently sloping, sloping, or is it moderately steep?
Answers
Answer: I'd say Gently sloping, if not then nearly level cause the slope is 2%
Explanation: rise over run times 100= percentage slope
does a cell use energy when molecules dffuse in or out of the cell
Answers
Materials move within the cell's cytosol by diffusion, and certain materials move through the plasma membrane by diffusion. Diffusion expends no energy.
A passive form of transportation is diffusion. The tendency of a single chemical is to shift from an area of high concentration to an area of low concentration until the concentration is balanced throughout the area. You are knowledgeable about how compounds diffuse via the atmosphere. Consider someone opening a perfume bottle in a crowded room as an illustration. The concentration of the perfume is strongest in the bottle and lowest at the room's perimeter. The perfume vapour will diffuse, or spread, from the bottle, and as it does so, more and more people will start to smell the fragrance.
Instead, diffusion is the dissipation of potential energy when materials migrate down their concentration gradients, from high to low. Different concentrations of materials in various places constitute a kind of potential energy.
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An important regulator of electrolyte concentrations in extracellular fluids is .
Answers
Answer:
Mineralocorticoid
Explanation:
Answer:
Aldosterone
Explanation:
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If a spinach plant with flat (FF) green (GG) leaves is crossed (pollination and fertilization occur) with another spinach plant with crinkly (ff) purple (gg) leaves, what alleles and traits will the offspring inherit?
Answers
Answer:
The offsprings of this cross will inherit the flat (F) and green (G) alleles from the first parent and also the crinkly (f) and purple (g) alleles from the second parent. However, the offsprings will only inherit the flat, green traits.
Explanation:
This question involves two different genes coding for leaf shape and leaf color respectively. The alleles for flat (F) and green (G) leaves are dominant over the alleles for crinkly (f) and purple (g) leaves.
According to this question, If a spinach plant with flat (FF) green (GG) leaves is crossed with another spinach plant with crinkly (ff) purple (gg) leaves, all the offsprings in the F1 generation will possess a FfGg heterozygous genotype.
This genotype means that the F1 offsprings of this cross will inherit the flat (F) and green (G) alleles from the first parent and also the crinkly (f) and purple (g) alleles from the second parent. However, they will only inherit the flat, green traits because they are dominant over the crinkly and purple trait.
You are walking through a mixed evergreen-deciduous forest, where approximately 10 percent of the trees are eastern hemlocks, a species of evergreen tree that casts very deep shade on the forest understory. Interestingly, under every eastern hemlock, you find the same small herbaceous plant species. However, you never observe this species anywhere else, even though a healthy diversity of other species live throughout the forest understory. You expect the small herbaceous species to have _____ growth, _____ sexual maturity, _____ energy expended on seeds, and _____ reproduction. Please choose the correct answer from the following choices, and then select the submit answer button. Answer choices fast; early; high; no vegetative slow; late; low; vegetative slow; early; low; vegetative fast; early; low; vegetative slow; late; high; no vegetative
Answers
Answer: slow; late; low; vegetative
Explanation: Due to the casting of deep shade on the forest understory by eastern hemlock, direct sunlight and other necessities for photosynthesis and other life processes needed by the herbaceous plant species for optimum growth is being deprived.
However, coupled with the nature of these herbaceous plant species, having non-woody stems with their growth above the ground level often dieing off particularly in winter in the temperate zone, makes their growth in that kind of location to be stunted.
Thus, herbaceous plant species with slow growth rate leading to late sexual maturuty while having low expanded energy on seeds due to low photosynthetic rate and low vegetative reproduction should be expected.
What is the period of time that elapses between the generation.
Answers
Answer: should be:
The latent period.
Explanation:
:)
please explain in detail
Question #1:
A urine and culture should be performed on which type of
sample?
Question #2:
Please explain the consequences of ketone in urine.
Answers
Question #1:A urine and culture should be performed on a mid-stream, clean-catch urine sample to test for the presence of microorganisms or bacteria that cause urinary tract infections (UTIs).
Question #2: Ketones in urine are an indicator of insufficient insulin production or low blood sugar. If left untreated, it can cause ketoacidosis, a potentially life-threatening condition that can lead to coma or even death.
High levels of ketones in urine can also lead to dehydration, kidney damage, and other complications. It is critical to seek medical attention if ketones are present in urine, especially in individuals with diabetes.
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microbes that do not colonize the human host, but instead are lost rapidly are referred to as
Answers
Microbes that do not colonize the human host but instead are lost rapidly are referred to as transient microbes. These microbes are usually harmless and do not pose a threat to the human body.
Transient microbes can be found on surfaces such as the skin, in the air we breathe, and in the food we consume. Although they do not establish a permanent residence in the human body, transient microbes can still cause infections if they enter the body through cuts or other wounds. The human body is home to many different types of microbes, both beneficial and harmful. Beneficial microbes, also known as commensal microbes, are important for maintaining a healthy immune system and digestive system. Harmful microbes, on the other hand, can cause diseases and infections.
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How does Biology affected Tundra
Answers
Answer & Explanation:
Humans have changed the landscape through the construction of residences and other structures, as well as through the development of ski resorts, mines, and roads. Hunting, oil drilling, and other activities have polluted the environment and have threatened wildlife in tundra ecosystems.
a retailer considering fluorescent lighting versus led lighting, solar power versus standard electricity, and local grasses versus typical grasses for landscaping would most likely be considering which design objective?
Answers
The retailer most likely be considering to control costs.
What is solar power?Solar power refers to the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power, or a combination. Photovoltaic cells convert light into an electric current through photovoltaic effect. Concentrated solar power systems require lenses or mirrors and solar tracking systems to focus on a large area of sunlight to a hot spot, to drive a steam turbine.
Solar power function by converting energy from the sun into power. There are two forms of energy generated – electricity and heat. Both are generated using solar panels, which range in size from residential rooftops to ‘solar farms’ stretching over acres of rural land.
Solar energy is a renewable and unlimited source of energy that does not emit harmful greenhouse gases. As long as the sun shines, energy is released. The carbon footprint of solar panels is already quite low, as they last over 25 years without compromising efficiency. Also, the materials used in panels are increasingly recycled, further reducing our carbon footprint.
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what is the structure of its covalent adduct to dna chlorambucil
Answers
The structure of the covalent adduct between chlorambucil and DNA includes the arrangement of a covalent bond between the nitrogen mustard bunch of chlorambucil and the nitrogenous bases of DNA.
Chlorambucil is an alkylating agent utilized in chemotherapy to treat different sorts of cancers. When it responds with DNA, it shapes a covalent adduct, which can cause harm to the DNA particle and anticipate it from working appropriately. This covalent bond can cause twists within the DNA structure and lead to replication mistakes or transformations.
The precise structure of the adduct can change depending on the particular location of the response and the arrangement of the DNA particle. Be that as it may, in common, the covalent bond between chlorambucil and DNA is thought to include the arrangement of a carbon-nitrogen bond between the mustard group and the nitrogen particle of a DNA base, such as guanine. These shapes a bulky adduct that can meddle with DNA replication and repair instruments, eventually driving to cell passing.
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