Answer:
WEAR A LAB COAT TO PROTECT YOUR CLOTHES AGAINST THESE CHEMICALS, AND SAFETY GLASSES TO PROTECT EYES, UNLESS YOU ARE A SPECTACLE WEARER. (EXCEPT WET GLASSWARE, AND EMPTY CHEMICAL BOTTLES!). BE ESPECIALLY CAREFUL WITH HOT LIQUIDS AND WATERBATHS. KEEP CHEMICAL BOTTLES OFF THE BENCH, AND DO NOT CONTAMINATE PIPETTES
Explanation:
pacyber.Ims.linc
Population after
natural selection
Original
population
21.
The transition of light colored moths in an original population into dark colored moths after
natural selection occurs is a classic example of
A.Normal selection.
B.Directional selection.
C.Sexual selection.
D.Disruptive selection.
A good conclusion restates the hypothesis so that the reader
Answer:
its b.
Explanation:
Answer:
The one you selected is correct
[Choice B] [Second Choice]
__________________________
A good conclusion restates the hypothesis so that the reader sees how the scientist applied the results to the hypothesis.
PLEASE HELP ME I WILL GIVE BRIANEST
Into which of the six kingdoms should the organism be placed? Construct a response to state your claim, use evidence, and support with reasoning. Include the list of common characteristics of the kingdom and why it does not belong in the other kingdoms in your justification.
Answer:
Protist kingdom
Explanation:
The organism in the picture is an amoeba nd it belongs to the protist kingdom.
Amoeba does not have cell wall or a chloroplast and so it cannot be named under the plantae kingdom. It cannot be placed under Archaebacteria or bacteria as the organism has a nucleus. It also contain a psedupodium, so it can be placed under fungi or the animalia kingdom.
why does the male body stop producing testosterone when using anabolic steroids
Answer:
The use of anabolic steroids can raise blood levels of testosterone well above a person's normal range. As a result, the body may try to regulate testosterone levels by shutting down its own production of testosterone. In order to prevent this, people usually use anabolics in cycles of a few weeks on and then off.
Explanation:
- Eijiro <3
The question is in the picture
Answer:
Nitrogen base
Nitrogen base I think
Explanation:
Regulation of heart rate is most closely associated
with the
A) cerebrum
B) cerebellum
C) somatic nervous system
D) autonomic nervous system
Answer:
D.autonomic nervous system
What is one disadvantage of desalination?
The process can ultilize solar energy to lower its cost.
The process uses fuel that is expensive.
The process makes water that is unsafe to drink.
The process is too difficult to carry out in big cities.
Answer:
B
Explanation:
Desalination remains expensive, as it requires enormous amounts of energy. The correct answer is b) The process uses fuel that is expensive.
What is desalination?Saline water which is typically sea water, is artificially transformed into fresh water through a process called desalination. Reverse osmosis and distillation are the two most used desalination techniques. There are several approaches. Although each has benefits and drawbacks, they are all useful.
The issue is that it takes a lot of energy to desalinate water. When salt is dissolved in water, it forms strong chemical bonds that are challenging to break. Desalinating water may be rather expensive since both the energy and the technology required are costly.
Desalination turns seawater into freshwater by removing the salt, however, it also has certain unfavorable effects on the ecosystem. Desalination facilities release trash and poisonous chemicals that are bad for the environment and animals. The procedure can also increase the salinity of saltwater, which has an impact on fish.
Therefore, the correct answer is b).
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What are some characteristics of ecotourism in Africa?
Answer:
A few of the ecotourism features are the traditional practices, encouraging interaction between visitors with the local villages to increase sale of handicraft items, the promotion of cultural dance, music as well as hiring local workers to maintain the lodge
Roots do all of the following, except ______.
A. absorb water
B. anchor plants in the ground
C. photosynthesis
Answer:
C. photosynthesis
Explanation:
The main function of roots is to transport water and nutrients to the plant, photosynthesis happens in the chloroplast.
Compared to freshwater fishes, marine fishes: drink seawater and produce a large volume of urine. do not drink seawater in an effort to conserve as much water as possible. produce a large volume of dilute urine in an effort to rid their bodies of excess water. tend to gain water by osmosis since their internal salt concentration is higher than that of seawater. tend to lose water by osmosis since their internal salt concentration is lower than that of seawater.
Answer:
The correct answer is - tend to lose water by osmosis since their internal salt concentration is lower than that of seawater.
Explanation:
In freshwater fishes, the body of fishes has a higher salt concentration inside their body than the surrounding water, water enters through the osmosis process. Without any active regulation of this process, fishes would swell and get bigger and bigger. They have specialized cells called chloride cells in gills to take ions from water as they do not have kidneys.
In contrast, the marine fishes have a lower salt concentration in their body than surrounding water of sea or ocean and they lose water continuously and to compensate for this they need to drink water regularly.
What is an autotroph? How does it obtain food?
Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose.
Answer:
answer below
Explanation:
An autotroph produces it own food. For example, Plants take sunlight and Water, and make their own food :)
Am I skinny fat or just skinny
Answer:
fat
Explanation:
Answer:
You are skinny. When you are taller you will stretch out
Why did the size of the caribou population decrease?
Answer:
The herds have been declining in recent decades due to a complicated mix of factors including hunting, disease, diminished food availability, and climate change, the report explains.
If a cell's surface area-to-volume ratio increased from 3:1 to 4:1, what impact would that have on the transport of materials across the cell membrane? It would be unchanged Transport would increase Transport would decrease None of the above
Answer:
The answer to this question is Transport would increase.
Explanation:
The transport would just increase.
In the given area-to-volume ratio, the transport would increase across the cell membrane. The correct option is B.
What is area-to-volume ratio?The surface area to volume ratio is merely the surface area divided by the volume of an entity. It calculates the surface area per unit volume of the object.
The crucial fact is that as the cell size increases, the surface to volume ratio decreases.
If the cell expands beyond a certain size, not really enough material can cross the membrane quickly enough to cater the increased cellular volume.
The surface area divided by the volume is the ratio. This suggests how much surface area is accessible in relation to the size of the cell.
The cell is very large if the surface area to volume ratio is small. If the ratio is large, the surface area exceeds the volume the cell will be small.
Thus, the correct option is B.
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Maintaining homeostasis keeps the internal environment in the body functioning properly. Many organ systems work together and
maintain energy homeostasis. The digestive system is concerned with processing the food that we take in to provide essential
nutrients to the rest of the body. Which of these body systems works most directly with the digestive system in the absorption of
nutrients?
Answer:
it should be the Small Intestine
WILL GIVE YOU BRAINLYEST!!
An increase in the variety of species in an ecosystem will help restore
stability to the ecosystem after a hurricane. True or False *
Answer:
True
Explanation:
There will be diversity of species and this in turn leads to stability of the ecosystem.
Explanation:
It is true know you have to give brilient
Is it possible for directional selection to create a new species? How?
Answer:
Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. ... However, directional selection does not always result in evolution, because it can be constrained in many ways.
Explanation:
Chapter 26 Microbial Diseases of the Urinary and Reproductive Systems 104) Normal microbiota of the adult vagina consist primarily of A) Lactobacillus. B) Streptococcus. C) Mycobacterium. D) Neisseria. E) Candida. 105) Cystitis is most often caused by A) Escherichia coli. B) Leptospira interrogans. C) Candida albicans. D) Neisseria gonorrhoeae. E) Pseudomonas aeruginosa. 106) Pyelonephritis may result from A) urethritis. B) cystitis. C) ureteritis. D) systemic infections. E) All of the answers are correct. 107) Which of the following is NOT primarily a sexually transmitted infection (STI)
Answer:
1. A) Lactobacillus
2. A) Escherichia coli. 3.
3. You did not present the answer options, which prevent this question from being answered. However, I will try to help you with the explanation below.
Explanation:
1. An adult vagina has a microbiota, that is, a group of microorganisms. This microbiota is beneficial and exists to promote protection and vaginal balance. Among the microorganisms present in the microbiota, we can mention Lactobacillus, which are responsible for preventing infections and controlling vaginal pH.
2. Cystitis is a urinary infection caused by the bacteria Escherichia coli, which resides in the human body and is important for digestion, but can cause inflammation of the bladder, as well as other stomach bacteria. Cystitis is not a contagious disease and has symptoms such as fever and difficulty urinating.
3. Sexually transmitted diseases are contagious diseases, caused by microorganisms that are transmitted from one person to another during an unprotected sexual act. Therefore, to answer the third question you should look for the answer option that presents a disease that is not transmitted by unprotected sexual contact.
104. Lactobacillus, 105. Escherichia coli, 106. Pyelonephritis, 107. Neisseria gonorrhoeae.
26. The normal microbiota of the adult vagina primarily consists of Lactobacillus. Therefore option A is correct.
Lactobacillus species are the predominant bacteria in the healthy adult vagina. They play a crucial role in maintaining a slightly acidic pH, which helps prevent the overgrowth of harmful microbes.
Lactobacillus produces lactic acid, creating an inhospitable environment for many potential pathogens. This microbial balance is essential for vaginal health and helps protect against infections.
2. Cystitis, which is inflammation of the bladder, is most often caused by Escherichia coli. Therefore option A is correct.
Escherichia coli (E. coli) is the most common causative agent of cystitis. It is a bacterium that normally resides in the intestines.
However, when E. coli enters the urethra and travels up to the bladder, it can cause an infection. Cystitis is more prevalent in females due to their shorter urethra, which provides easier access for bacteria to reach the bladder.
3. Pyelonephritis, a more severe infection involving the kidneys, may result from: All of the answers are correct. Therefore option E is correct.
Pyelonephritis can result from various routes of infection, including urethritis (inflammation of the urethra), cystitis (inflammation of the bladder), and ureteritis (inflammation of the ureters).
Additionally, it may also occur as a complication of systemic infections, where bacteria from other parts of the body spread to the kidneys via the bloodstream.
4. The following is NOT primarily a sexually transmitted infection (STI): Neisseria gonorrhoeae. Therefore option D is correct.
Neisseria gonorrhoeae is a bacterium responsible for the sexually transmitted infection known as gonorrhea. Therefore, it is indeed primarily a sexually transmitted infection (STI).
In summary, the normal vaginal microbiota is mainly composed of Lactobacillus species. Cystitis is most often caused by Escherichia coli, and pyelonephritis can result from various routes of infection.
Neisseria gonorrhoeae is a sexually transmitted infection, making it different from the other listed pathogens.
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The level of carbon dioxide in the blood is monitored by nerve tissue. If you exercise strenuously, the increase in cellular respiration consumes oxygen from the blood and produces surplus carbon dioxide removed in the blood. Since this physical exertion requires faster breathing to replenish oxygen supplies and carry away carbon dioxide, the carbon dioxide sensors result in signals from the brain to increase breathing rate. After you have rested, and carbon dioxide levels are back to normal, your breathing rate decreases too. This is an example of
Answer:
Negative feedback.
Explanation:
The normal carbon dioxide levels after resting, the breathing rate also decreases which is an example of negative feedback because the body moves towards stability or equilibrium conditions. There is a direct relationship between breathing rate and carbondioxide levels means if one is increases the other automatically increases in order to maintain homeostasis in the body so we can say that this relationship is very important to maintain .stability in the body
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Answer: 25% red 25% white 50% pink
need help please!!!!!!!
Answer:
...
Explanation:
In this example, a flower can either express the dominant trait (R), red petals, or the recessive trait (r), yellow petals. If two heterozygous flowers are crossed, what are the chances of there being an offspring with yellow petals?
25%
50%
75%
100%
Answer:
25%
Explanation:
Since there are 2 flowers, start with 50% and 50% to make it simple. And since the red is dominant, it's stronger than yellow. So instead of them being equal chances, it's 75% to 25%. Hope this helped!
click on the graphic below until the correct answer appears.
which applies to a real machine?
work output/work input < 1
work output/work input = 1
work input/work output = 1
work input/work output < 1
Answer:
work output/work input < 1
Explanation:
I found it on Quizlet and when I completed the assignment, it showed I got it right. Have a good day!
Coral reefs support more species than any other marine environment. The biodiversity in a coral reef is great, and scientists estimate that there may be another 1 to 8 million undiscovered species of organisms living in and around reefs. Reef structures protect shorelines against waves preventing the destruction of beaches and coastal property. An artificial reef is a man-made structure that mimics some of the characteristics of a natural reef. Often, old ships and even subway cars are sunk off the coastal shore to create an artificial reef environment. What is the greatest benefit an artificial reef would provide to the people living along the coast
Answer:
The artificial reef would decrease erosion of the coastline.
Explanation:
Artificial reefs are created in area where there is little uderwater topography or near established coral reefs to imitate or even substitute for natural coral reefs where they are absent or endangered due various factors which are mostly human in nature. The artificial serves to provide a habitat for marine organisms and ensure more biodiversity around the area by providing shelter from predation and surfaces for encrusting organisms such as corals and sponges to grow on. The growth of these lower level food chain organisms attract larger predator organisms thereby increasing the biodiversity in the area.
Artificial reefs are made from a variety of materials such as shipwrecks, construction debris, oil rigs, concrete, and any other man-made objects. Since reef structures protect shorelines against waves, artificial reefs would decrease the erosion of the coastline providing benefit to the people living along the coastline by preventing the destruction of beaches and coastal property,
Which components make up the cardiovascular system?
lungs, heart, and blood vessels
heart, blood vessers, and blood
heart, blood, and lungs
lungs, heart, and skin
Answer:
heart blood vessels and blood
Answer:
Heart, blood vessels, and blood
Explanation:
The heart pumps blood around the body, the blood vessels transport the blood, and the blood is the blood itself
Bluebells in Different Locations
Plants known as bluebells exist in England,
Scotland, and the United States. In each of
these locations, however, the plant known as
a bluebell is very different from the plants
called bluebells in the other two locations.
Which of these is demonstrated by the information above?
O a
b
The need for controlling variables in experiments
The need for classifying and naming organisms scientifically
The importance of predicting trends from scientific data
The importance of questioning experimental evidence
c
Od
Answer: The need for classifying and naming organisms scientifically
Explanation:
what reactant molecules are needed for photosynthesis?
Answer:
The photosynthesis chemical equation states that the reactants (carbon dioxide, water and sunlight), yield two products, glucose and oxygen gas.
Answer:Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants .
Explanation:
After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules
Where does absorption of ALL the small molecules such as glucose and amino acids occur?
Answer:
The absorption process also occurs in the small intestine. Food has been broken down into particles small enough to pass into the small intestine. Sugars and amino acids go into the bloodstream via capillaries in each villus.
Explanation:
HELP ILL GIVE BRAINLIEST!!! Genetic variation led to to one plant surviving and reproducing when the other did not. This variation was in... *picture also attatched
Answer:
D
Explanation:
A trait that does not offer members of a population a great advantage will most likely
A. increase the reproductive rate in successive generations
B. decrease in frequency in successive generations
C. appear at the same frequency in successive generations
D. undergo a series of mutations in successive generations
A trait that does not offer members of a population a great advantage will most likely decrease in frequency in successive generations. Thus, option B is correct.
What is theory of natural selection?
According to Charles Darwin in his theory of natural selection, organisms must compete for scarce resources. Only the fittest can survive. The fittest are organisms that have undergone the required genetic changes that increases their chances of survival. They pass on these genetic changes to the next generation or offspring.
When availability of food decreases, organisms begin to change genetically as they struggle for scarce resources thereby leading to variation in a population. All organisms must compete for survival. Natural selection continues to occur even today.When organisms struggle to survive, they usually mutate to increase chances of reproduction.
Therefore, A trait that does not offer members of a population a great advantage will most likely decrease in frequency in successive generations. Thus, option B is correct.
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