Blood glucose levels should be kept stable in the body because :-
A rise in glucose level can cause diabetes mellitus or simply diabetes due to too much glucose in the blood stream.In this patients pass urine too much loaded with sugar. Also he feels thirsty due to too much loss of water and becomes weaker and weaker.A fall in glucose level can cause hypoglycemia.
Even a little fall of glucose level in the bloodstream can bring a patient in a state of coma. The person gets frequent headaches, vomiting, dizziness, etc.The regualtion of glucose in the body is done by two main hormones secreted by an endocrine gland called pancreas.
These two hormones are - Insulin and Glucagon.Insulin lowers the glucose level in the body whereas, Glucagon helps in increasing it.Therefore, the glucose level should be always kept stable in the body.
Explanation:
Hope it helps you!!Which statement best describes a human influence on the biogeochemical cycles?
increased eutrophication caused by high levels of nitrogen and phosphorous
increased nitrates available due to inaccurate methods of denitrification
increased global warming due to alternative energy sources
increased amount of water that is available to freshwater ecosystem
The statement that best describes human influence on the biogeochemical cycle is as follows: increased eutrophication caused by high levels of nitrogen and phosphorous, which is option A.
What is eutrophication?Eutrophication is the ecosystem's response to the addition of artificial or natural nutrients, mainly phosphates, through detergents, fertilizers, or sewage, to an aquatic system.
Eutrophication is one major effect of the anthropogenic activities that release inorganic nutrients such as phosphate, nitrate etc into aquatic ecosystems.
However, eutrophication has its negative impacts on biogeochemical cycle as it alters the cycling of these nutrients.
Therefore, the statement that best describes human influence on the biogeochemical cycle is as follows: increased eutrophication caused by high levels of nitrogen and phosphorous.
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Answer:
A
Explanation:
Just took the test, hope this help :)
Gametes produced by an organism contain a combination of genes from that organism
Gametes are the structure required for fertilization and are formed from germ cells through meiosis. Gametes produced by an organism contain a combination of genes from that organism which is different in every individual due to independent assortment.
What is independent assortment?When the alleles of two different genes get sorted into gametes independently of one another is referred to as independent assortment.
In other words, different alleles and genes are independently transferred to offspring during the meiosis in reproduction through the fusion of gametes.
Thus, it can be concluded that gametes produced by an organism contain a combination of genes from that organism which is different in every individual due to independent assortment.
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what happens during homeostasis?
I think Homeostasis pretty much means, your cells are in balance and are functioning smoothly. Your body is running smoothly.
A process that requires cellular energy to move a substance against its concentration gradient is called.
Active transport moves molecules from one side of the membrane to the other against their electrochemical gradient. It needs energy to occur. The answer is active transport.
What is active transport?Active transport is one of the three cellular transmembrane transports. The other two are passive transport and simple diffussion.
Active transport acts against the electrochemical gradient, so it does need the energy to transport substances. It carries molecules from a low concentration side of the membrane to a high concentration side.
The used energy comes from ATP (Na-K bomb) or the membrane's electric potential.
Carrier proteins are involved in active transport.
Hence, the process that requires cellular energy to move a substance against its concentration gradient is called Active transport.
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HELP!!! what should you use to rinse items after cleaning them and before sanitizing them
Earth's surrounding atmosphere is part of its _______.
A) biosphere
B) food chains
C) niche
D) population
Answer:
biosfera
Explanation:
Can anyone help me with this?
Which of the following are examples of structural adaptations?
A. migration, hibernation, instincts, being nocturnal
B. body color that helps camouflage, body covering like scales, armour, thick coat of fur, beak, claws
C. making venom, secreting slime, digestive enzymes, and altering the immune system.
Answer:
B
Explanation:
Structural adaptations are the physical features of an organism which helps it to survive and succeed in its environment.
=============================================================
Examples are :
⇒ body color that helps camouflage
⇒ body coverings like :
scalesarmorthick coat of furbeakclaws5. What gets dissolved in the bloodstream as glucose?
O fats
O fiber
O proteins
O carbohydrates
Answer:
carbohydrates
Explanation:
A healthy person's urin never contains something sweeter . This is because your blood absorbs all sugars , carbohydrates and glucose in itselfCarbohydrates are also dissolved in blood stream like glucose.Sooption D is correct
Answer:
carbohydrates
Explanation:
At the begining you probably think that was fats but no, I took the quiz
What region of the brain is responsible for complex thinking.
Match the following terms and definitions.
1. having one mate for a whole life span
2.
a symbiotic relationship between two organisms in which
both species receive some type of benefit
3.
a relationship between two or more organisms of different
species in which one benefits and the other is harmed
a commensalistic relationship in which one organism is
transported by another
5. when females mate with multiple males
6. when males mate with multiple females
phoresy
monogamy
mutualism
polyandry
polygyny
parasitism
phoresy - a commensalistic relationship in which one organism is transported by another.
monogamy - having one mate for a whole life span
mutualism - a symbiotic relationship between two organisms in which
both species receive some type of benefit
polyandry - when females mate with multiple males
polygyny - when males mate with multiple females
parasitism - a relationship between two or more organisms of different
species in which one benefits and the other is harmed
SymbiosisSymbiosis is the name given to any close and long-term interaction between two different species.
This interaction can be beneficial to one part only and harmful to the other (parasitism), it can be beneficial to all parts (mutualism), or it can benefit one part without influencing neither positively nor negatively the other (commensalism).
A mating system refers to how a group is organized in terms of sexual behavior. When it comes to animals, the phrase refers to which males and females mate when certain conditions are met. Monogamy, polygamy (including polygyny, polyandry, and polygynandry), and promiscuity are all recognized systems that lead to various mate choice outcomes and so influence how sexual selection operates in the species that practice them.
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Pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are.
Pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are capnophiles.
What is Capnophiles?These are the organisms which thrive in areas where there is a high concentration of carbon dioxide and an example include Campylobacter.
They are also found in the respiratory or intestinal tracts of humans thereby making it the most appropriate choice
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Pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are known as capnophiles.
What are Pathogenic bacteria?Pathogenic bacteria may be defined as a type of bacteria that are capable of inducing diseases in living entities or their hosts.
Capnophiles are organisms that have the capability to survive and bloom in high concentrations of carbon dioxide. Examples include Haemophilus influenza, Neisseria gonorrhoeae, Campylobacter, etc.
Therefore, pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are known as capnophiles.
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What are the three important ways in which humans differ from other animals with regard to communication systems
Answer:
-Animal communication is context driven—they react to stimuli, or indexes and Humans can talk about remote, abstract, or imaginary things that aren't happening in their immediate environments.
-Any gender of human can use the same languages but in the animal world only some species can speak between the same gender
-The way that animals communicate are biological, or inborn but Humans need to acquire language —words must be learned.
A plant can produce either purple flowers or white flowers. The purple flower color is dominant over the white flower color. What is the ratio of the offspring with purple flowers to the total number of offspring if two plants that are heterozygous for purple flowers are crossed?
One or two purple alleles in flowering pea plants will result in purple blooms. so there will be 50 percent ratio. This is because one purple gene causes enough pigment to be synthesized to produce all purple flowers.
What is dominant allele?A dominant allele is a variant of a gene that causes a specific trait even when other alleles are present. A functional protein is usually encoded by a dominant allele. Because one copy of the allele produces enough enzyme to furnish a cell with plenty of a given product, it is dominant.
As a result, the purple allele has a dominant role, while the white allele has a recessive role.
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What does a chloroplast look like
Answer:
A chloroplast is an organelle found in a plant cell that releases an important substance called chlorophyll.
what will happen to the cell as it reaches equilibrium?
Answer:
Even when equilibrium is reached, particles of a solution will continue to move across the membrane in both directions. However, because almost equal numbers of particles move in each direction, there is no further change in concentration.
Explanation:
hope this helps
A X O L O T L
Which statement correctly compares the "Analysis" and "Conclusion" sections of a lab report?
O Only the "Conclusion" section describes errors that occurred during the experiment, and only the "Analysis" section
suggests further research.
O Only the "Analysis" section includes specific data comparisons, and only the "Conclusion" section suggests further
research.
Only the "Analysis" section discusses whether the original hypothesis was supported, and both sections include
graphs of data.
Only the "Conclusion" section discusses whether the original hypothesis was supported, and both sections suggest
further research.
Answer:
Only the "Analysis" section includes specific data comparisons, and only the "Conclusion" section suggests further
Answer:
the answer is O Only the "Analysis" section includes specific data comparisons, and only the "Conclusion" section suggests further
research.
Explanation:
The graphs below show the changes in crab color at one beach from 1950 to 1990.
The change in crab color is an example of which type of evolution?
O A. Stabilizing selection, because one crab color was preferred over other colors.
O B. Stabilizing selection, because two crab colors were preferred over other colors.
O C. Directional selection, because two extreme colors were preferred over the more moderate color.
O D. Disruptive selection, because two extreme colors were preferred over the more moderate color.
O E. Adaptive radiation, because crabs of a single color evolved to form crabs of several colors.
The change in crab color is an example of Disruptive selection because two extreme colors were preferred over the more moderate color. Thus, the correct option for this question is D.
What is Natural selection?Natural selection may be defined as the selection of a few individuals from any given population according to their favorable variations.
In 1950, the crab color is in the form of stabilizing selection, while in 1990, it changes to disruptive selection that favors the two extreme colors over the intermediate one.
Disruptive selection occurs when environmental conditions changes in two different directions. Due to which variance increases in population.
Therefore, the correct option is D.
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1.1.5 The phase of photosynthesis where chlorophyll molecules Convert radiant energy in two Chemical energy A. Light Phase B. Dark Phase C. Light intensity D. Temperature
Which term describes the components of food that are indispensable to the body’s functioning and include, water, carbohydrates, fats, proteins, vitamins and minerals?.
The term that describes the components of food that are indispensable to the body’s functioning and include, water, carbohydrates, fats, proteins, vitamins, and minerals is known as Nutrients.
What are Nutrients?Nutrients may be defined as a type of chemical compound or substance that delivers essential nourishment which is for the proper maintenance of life and for growth.
Nutrients are significantly classified into six different categories that the body of living organisms especially humans require in order to accomplish numerous functions and maintain overall health.
These six classes of nutrients are carbohydrates, proteins, lipids, water, vitamins, and minerals. Among which carbohydrates provide an immediate source of energy, minerals regulate different body processes, vitamins promote normal body functions, proteins furnish structural stability, etc.
Therefore, a nutrient is a term that describes the components of food that are indispensable to the body’s functioning.
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Rainfall in tropical rainforests amounts to about 10 to 14 feet per year? T or f
Answer:
The correct answer is TRUE
Explanation:
What substance does heredity rely on?
O A. DNA
O B.
protein
OC. phylum
O D. chordate
PLEASE HELP THIS IS DUE SOON! I WILL GIVE BRAINLIEST
Natural Selection Virtual Lab Report
Instructions: As you complete each slide of the Natural Selection Virtual Lab Activity, please fill in this lab report with the appropriate information and data.
Title:
Include your name, instructor’s name, and the name of the lab
Objective(s):
What is the purpose of the lab
Hypotheses (there are 2):
Include both if/then statements you developed during the virtual lab.
Variables:
Materials:
The Natural Selection Virtual Lab Activity
Natural Selection Virtual Lab Report
Procedures:
The procedures are listed in Natural Selection Virtual Lab Activity. You do not need to include them here.
Data and Observations:
Table 1: Rabbits in the light-colored environment
Generation
Rate of Survival for White Rabbits
Rate of Survival for Brown Rabbits
1
2
3
4
5
Table 2: Rabbits in the dark-colored environment
Generation
Rate of Survival for White Rabbits
Rate of Survival for Brown Rabbits
1
2
3
4
5
Data Analysis:
Part 1: In your data tables, you recorded the percentage of the rate of survival for both the white and brown rabbit in both the light-colored and the dark-colored environments.
Part 2: Using your percentages in part 1, create a graph that represents the rate of survival for the white and brown rabbits in each type of environment.
Insert chart [Hint: don’t forget to consider the relationship between your data and the type of graph to best represent your data. A bar graph would be the best option to analyze this data.]
Conclusion:
Be sure to answer the following reflection questions in the conclusion of your lab report:
Were your hypotheses correct or incorrect? Why or why not?
Using Table 1, which color rabbit had the higher rate of survival in the light-colored (white) environment? Explain why this occurred.
Using Table 2, which color rabbit had the higher rate of survival in the dark-colored (brown) environment? Explain why this occurred.
What color rabbit seemed to camouflage the best in this snow habitat, and why?
Questions:
Using what you have learned from the lesson and the virtual lab activity, answer the following questions in complete sentences.
How did the colors of each type of prey affect its population size over time?
How do you predict the data would change if you continued? Explain your answer.
What traits could help a predator be more "fit" to survive in each environment? Be specific.
Describe other adaptations besides color that could affect an individual's survival.
Explain what will happen if there are not enough resources to support the individuals in a species.
This experiment tested natural selection. What could be another possible mechanism of evolution for the rabbits to evolve? Be specific.
White Rabbits have a higher chance of surviving than Brown Rabbits since they can blend in along with their environment.
What is a brown rabbit's genotype?The B gene in rabbits regulates the coat's primary color. The B and b alleles make up the B gene. The B allele, which codes for the color black, is regarded as the wild-type allele. The b allele specifies a chocolate-colored base.
What in biology is a rabbit?Small rodents in the family Leporidae, which also includes the rabbit of the order Lagomorpha and the pikas, are referred to as rabbits, bunnies, or bunny rabbits. Oryctolagus cuniculus contains the 305 domestic rabbit breeds in the globe as well as the European hare species and its offspring.
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Sugar
02
CO₂
H₂O
What is the name of this energy pathway?
Answer:
Its called celular repiration
Explanation:
what best discribes a possible negative impact of irrigation of farmland
Answer:
Food can be produced in dry areas.
Explanation:
This can be rice.
how long after the formation of earths did the first life on earths appear?
Answer:
life appeared 500 million years after the formation of earth. i.e. almost 4 billion years back.
A plant has a desirable trait: it is disease resistant. what can be done to quickly produce large numbers of identical plants with this same trait?
Answer:Plants are cloned to produce identical plants quickly and economically. Producing new plants by cloning is quicker than allowing plants to reproduce then collecting and sowing seeds. It's therefore an effective way of producing new individuals from rare and endangered plants, helping to preserve the species.
Explanation:
they might add a disease-resistance gene from one plant
3. Number the steps to carry out an investigation:
Y 1. Conclusion
2. State the problem/questions
3. Make a hypothesis
4. Gather materials
5. Carry out the procedure
6. Collect Data
Answer:
1 state the problem
2 make a hypothesis
3 gather the material
4 carry out the procedure
5 collect data
6 form a conclusion
Explanation:
11. Earth's magnetic field...
does not affect solar winds
is not affected by solar winds
protects Earth from radiations
creates gravitational forces
Answer: protects Earth from radiation
Explanation:
Generated by the motion of molten iron in Earth's core, the magnetic field protects our planet from cosmic radiation and from the charged particles emitted by our Sun. It also provides the basis for navigation with a compass.
The total energy in a system is 675 J. The kinetic energy changes from 296 J to 432 J. Which statement best describes the potential energy of this system?
It changes from 296 J to 432 J.
It changes from 379 J to 243 J.
It changes from 432 J to 296 J.
It changes from 243 J to 379
Answer:
B, It changes from 379 J to 243 J.
Explanation:
"It changes from 379 J to 243 J" best describes the potential energy of this system.
What is potential energy?Total energy in a system can be divided into two main components: kinetic energy and potential energy. The given information states that the kinetic energy of the system changes from 296 J to 432 J. However, no direct information is provided about the change in potential energy.
Since the total energy in the system remains constant at 675 J, any change in kinetic energy must be compensated by an equal and opposite change in potential energy to maintain the overall energy balance.
If the kinetic energy increases from 296 J to 432 J, the potential energy must decrease to maintain a total energy of 675 J. Therefore, the potential energy changes from a higher value of 379 J (initial potential energy) to a lower value of 243 J (final potential energy). This change in potential energy is consistent with the increase in kinetic energy from 296 J to 432 J, ensuring the conservation of total energy in the system.
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The stomach is important for both ________ and ________ digestion.
natural and mechanical
mechanical and muscular
chemical and physical
chemical and ruminant
Answer:
natural and mechanical