lakes in british columbia usually contain either 1 or 2 species of stickleback fish. in lakes with 2 species, one is larger and lives primarily in deep water. the other is smaller and lives mostly in shallow water. when only 1 stickleback species lives in a lake, it is intermediate in size and lives in all depths of water.

Answer: its the top one

Answer

the mass of the sugar

Answer:

A. living and nonliving

Answer:

the correct answer is A.

biotic = living

abiotic = nonliving

the root 'bio' refers to life

Answer:

To solve both of these, we can use a Punnett square to determine what percentage of the offspring will have certain traits.

The inner planets of the solar system can be best described as dense, rocky planets with few moons. The inner planets of the solar system, are also known as terrestrial planets.

The inner planets include Mercury, Venus, Earth, and Mars. These planets are characterized by their relatively small size compared to the gas giants and their close proximity to the Sun. The inner planets are primarily composed of dense, rocky materials, such as silicates and metals. They have solid surfaces and lack the thick atmospheres found in the gas giants.

The first inner planet, Mercury, is the smallest and closest to the Sun. It has a thin atmosphere and is heavily cratered due to its lack of geological activity. Venus, the second planet, has a dense atmosphere mainly composed of carbon dioxide, with thick clouds of sulfuric acid. Earth, the third planet, is unique as it harbours life and possesses an atmosphere rich in nitrogen, oxygen, and other trace gases. Mars, the fourth planet, has a thin atmosphere consisting mostly of carbon dioxide, and it is known for its red-coloured surface and polar ice caps.

These inner planets have relatively few moons compared to the gas giants like Jupiter and Saturn. For example, Earth has only one moon, while Mars has two small moons, Phobos and Deimos. The inner planets also lack the prominent ring systems found in the gas giants.

In conclusion, the best description of the inner planets of the solar system is that they are dense, rocky planets with few moons. Their solid surfaces, lack of thick atmospheres, and limited moon count distinguish them from the gas giants.

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The answer for that statement is True.

The X of the angle <CDB represented as 7X is = 5.86.

From the diagram, line BD divides triangle ∆ ADB into two identical triangles.

Triangle ∆ ABD = triangle ∆ CBD

Notice that < ADC = an acute angle which is = 90°; and

<ADC = < ADB + < CDB

But , < ADB= 49° and < CDB = 7x

90° = 49 + 7x

Make 7x the subject of formula,

7x = 90-49

7x = 41

X =41/7

X = 5.86

Therefore, X = 5.86.

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Answer:

Lactic acid fermentation can be used to make foods such as yogurt, pickles, sauerkraut, etc. Lactic acid fermentation also takes place in human muscle cells during intense exercise.

Explanation:

Answer:

Lactic acid fermentation is used to make many foods such as  yogurt and pickles. It also take place in muscle cells during exercise.

Answer:

DNA sequences.

Explanation:

DNA sequences, I believe, are the best evidence of common ancestry since they share more traits with more closely related organisms. The similarities and variances in fossils, anatomy, and embryos are all due to DNA.

Transfection introduces DNA into eukaryotic cells using a carrier.

Transfection, on the other hand, is the introduction of exogenous DNA into eukaryotic cells without necessarily integrating itinto the host genome. This is typically done using lipid-based or electroporation-based delivery systems. Transfection can result in either transient or stable expression of the introduced DNA.

Overall, transformation is specific to bacterial cells, while transfection refers to the introduction of DNA into eukaryotic cells. The key difference between the two is the way the DNA is introduced and the outcome of the process.

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Answer: The option with the correct order is D and it includes:

--> sperm reaches ovum,

--> zygote is formed,

--> implantation occurs

--> zona pellucida dissolves,

--> and the embryo begins secreting hCG.

Explanation:

In humans, the male ejects sperms with great force into the cervix and the upper part of the vagina of the female. The sperms move rapidly through the cervix and the uterus into the upper part of the oviduct ( the fallopian tube) where it REACHES THE OVUM.

There are follicle cells and the zona pellucida which surrounds the ovum. The acrosomal lytic enzymes in the head of the sperm can dissolve the cell wall and membranes. They help the sperm to move through the follicle cells that surrounds the ovum and penetrate the zona pellucida of the ovum. The sperm them moves into the ovum. The nucleus of the sperm fuses with that of the ovum to FORM A DIPLOID ZYGOTE.

The zona pellucida undergoes some changes that prevents other sperm from penetrating the ovum. It continues to protect the zygote as it travels through the fallopian tube to the uterus, the site for implantation. Around 72 hours after fertilization, IMPLANTATION OCCURS and the ZONA PELLUCIDA FRAGMENTS AND DISSOLVES.

Soon after implantation, the embryo begins secreting Human chorionic gonadotrophin (HCG) through the trophoblast cells which surround the developing embryo. It is the embryonic hormone that ensures the corpus luteum continues to produce progesterone throughout the first trimester of pregnancy.

If we provided drugs to treat all malaria infected people in these areas, we would predict the frequency of the sickle cell allele to decrease over time.

Malaria is an infection brought on by a parasite. People contract the parasite by mosquito bites carrying it. The classic symptoms of malaria include a severe illness with a high temperature and shaking chills. Malaria is still common in countries that are tropical or subtropical, but it is uncommon in temperate regions.

Malaria cannot be brought on by a virus or bacteria. Malaria is brought on by a parasite called Plasmodium, which is frequently transmitted by infected mosquitoes.

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The photophosphorylation is the synthesis of ATP from ADP and phosphate in the plants using the light energy absorbed during the photosynthesis process.

Answer:

landslide

Explanation:

Answer: B

Explanation:

The article that I am going to review discusses the influenza virus and its new outbreak in China. The article is published on the official website of BBC News, one of the mainstream media outlets.

The article that I am going to review discusses the influenza virus and its new outbreak in China. The article is published on the official website of BBC News, one of the mainstream media outlets. The article was published on the 1st of December 2020 and is titled "China reports first case of H1N3 bird flu virus in human". The article provides the necessary information regarding the new strain of influenza virus and the precautions that people need to take. Type of microorganism and its nature The H1N1 virus is an influenza A virus that affects humans, pigs, and birds. This microorganism is primarily present in nature, particularly in birds and is also used for research purposes. The virus is present in pigs and can cause respiratory illness in humans. According to the article, a new strain of the H1N1 virus, called H1N3, was identified in China. The virus was transmitted from birds to humans, and only one case has been reported so far, making it less severe. Transmission and causes of the spread The virus is mainly transmitted through respiratory droplets from the infected person and can also spread through contaminated surfaces. This can happen when a person comes into contact with an infected surface and then touches their face, mouth, or eyes. The risk of transmission is higher in crowded places, which can contribute to the spread of the virus. The article highlights the importance of taking precautionary measures such as wearing a mask, maintaining social distancing, and washing hands frequently.Lab culturingThe article does not provide any information about the lab culturing of the virus. However, the scientific community has been working on developing a vaccine for the H1N1 virus. This research is conducted in specialized laboratories that can handle such dangerous pathogens.ConclusionIn conclusion, the article provides essential information about the new outbreak of the H1N3 virus in China. The article explains the nature of the microorganism and how it is transmitted from one person to another. The article also highlights the importance of taking precautionary measures and provides the necessary information for people to protect themselves from the virus. The article lacks information on lab culturing of the virus. However, it is clear that the scientific community is actively working on developing a vaccine to fight this virus.

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Answer:

Have the most advantageous genes for survival

Explanation:

In the process of natural selection, individuals that are most fit in an environment are the ones that are selected by nature. These organisms are superior to others and can live in that particular environment.

Nature selects those organisms that can live in that changing environment and reproduce. Their genetic makeup makes it easier for them to live in that particular environment. Example: In a desert, a camel has adapted itself to live in such extreme temperatures. They have different adaptations, such as the hump.

Animals that are found in extreme cold climates have different adaptations, such as long hairs and more fatty tissue. If an animal that lives in a tropical area moves to this extreme climate, then it can't survive there.

Different places have different requirements, and animals develop differently as per the environment. The organism that can adapt can live longer, and the organism that can't live will perish.

Hence, animals that have superior genes and can adapt to nature are selected by nature.

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Answer:

POLUTION

Explanation:

Answer:

I can make the claim that climate change and the sea level rise have a positive correlation. The graph shows that as the impact of climate change increases so does the sea level conveying that they are positively correlated.

Answer:

When creatures produce waste or pass away and are broken down by bacteria and fungus, nitrogen is released back into the soil. By converting nitrate and nitrite into nitrogen gas, bacteria release nitrogen back into the atmosphere (also called denitrification).

Humans are altering the global cycle of N via combustion of fossil fuels, production of nitrogen fertilizers, cultivation of nitrogen-fixing legumes, and other actions

Explanation:

Hope this helps! :)

Answer:

AUG GCC UAC GGU CUA GUU UAG

Explanation:

T=A

A=U

G=C

C=G

AUG GCC UAC GGU CUA GUU UAG is the mRNA sequence that will be formed because in RNA, Thymine is replaced by Uracil.

A nucleic acid sequence is a succession of bases that is denoted by a series of a set of five different letters. These letters show the order of nucleotides that form alleles inside a molecule of DNA or RNA. A nucleic acid sequence can be found in either DNA or RNA. It is customary to begin the presentation of a series at the 5' end and work backwards to the 3' end. In the case of DNA, the sense strand is the one that is utilised.

The understanding of a gene or genome's nucleotide sequence is the most fundamental level of such information. RNA nucleotides may also contain the bases adenine, guanine, and cytosine; but, in place of thymine, they contain an additional pyrimidine base termed uracil (U).

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Answer:

Sentences Mobile

Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.

Explanation:

Sentences Mobile

Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.

The concept illustrated in this scenario is "social adaptation" or "cultural adaptation."

Social adaptation refers to the process by which individuals modify their behaviors, beliefs, and practices to fit into a new social or environmental context. In the case of the survivors stranded on a deserted island, they are forced to learn new behaviors in order to adapt to their changed circumstances and the presence of other survivors.

They may need to establish new social norms, develop communication strategies, cooperate for survival tasks such as hunting or building shelters, and resolve conflicts. The survivors' adaptation involves not only adjusting to the island's physical challenges but also forging a new social order and collective identity in order to survive and thrive in their changed environment.

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The complete question is:

An airplane has crashed on a deserted island off the coast of Fiji. The survivors are forced to learn new behaviors in order to adapt to the situation and each other. This is an example of which concept?

Answer: Can you answer my Question then I can answer yours?

Explanation:

Which of the following factors would probably NOT make sugar dissolve faster in tea?

A. Increasing the temperature

B. Using larger particles of the solute

C. crushing the particles of the solute to make them smaller

D. Stirring the solution

After the thalamus, auditory nerve signals reach the **auditory cortex**.

The auditory cortex, located in the temporal lobe of the brain, is responsible for processing and interpreting sound information received from the auditory nerve. After the thalamus, which acts as a relay station for auditory signals, the nerve signals travel to the primary auditory cortex, where they are decoded into specific features of sound, such as pitch and volume. The secondary auditory cortex then interprets these features to recognize and understand the sound. By following this pathway, our brain can effectively process and respond to auditory stimuli. In this process, the **thalamus** plays a crucial role in transmitting the signals to the auditory cortex.

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A pattern of complex heredity where there are more than two alleles in a population is referred to as polymorphism.

Polymorphism in biology refers to the occurrence of multiple forms or morphs of a species in a single population. Polymorphism can be a result of genetic variations, environmental factors, or a combination of both.

It is the presence of more than two alleles in a population that are responsible for the same characteristic. This can result in variations in physical appearance, behavior or other traits in a population. The separation of most higher organisms into male and female sexes is the most obvious example of this.

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The complete question is:

A pattern of complex heredity where there are more than two alleles in a population is called?

Answer:

Division of homologous chromosomes.

I hope it's helpful!

Answer:

The biosphere is the sphere that oxygen in our blood is part of.

A patient suffering from ketoacidosis due to diabetes mellitus can compensate for the acid-base disturbance by increasing their respiratory rate to blow off excess carbon dioxide (CO2) and decrease the concentration of acid in the blood. This is known as respiratory compensation.

However, it is important to note that respiratory compensation alone is not enough to fully correct ketoacidosis, and medical intervention such as insulin therapy is required to address the underlying cause of the condition. In addition, close monitoring of electrolyte imbalances and hydration status is necessary to ensure appropriate management of ketoacidosis. In summary, while respiratory compensation can help alleviate the acid-base disturbance in ketoacidosis, it is only part of a comprehensive treatment plan.

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The condition where the bronchi of the lungs are dilated outward is called bronchiectasis.

Bronchiectasis is a chronic and progressive respiratory disorder characterized by the permanent dilation and thickening of the bronchial walls. This condition is often the result of repeated lung infections, such as pneumonia or tuberculosis, that damage the bronchial walls and weaken their structure.

Bronchiectasis can lead to the accumulation of mucus and bacteria in the dilated bronchi, causing recurrent infections, coughing, and difficulty in clearing the airways. It can also result in the impaired clearance of mucus and debris from the lungs, leading to persistent inflammation and further lung damage. Treatment for bronchiectasis aims to manage symptoms, prevent complications, and improve lung function through medications, chest physiotherapy, and sometimes surgical intervention.

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Answer:

gravitational

sun 274m/s²

mecury - 3.7 m/s²

earth - 9.807 m/s²

Mars -3.721m/s²

(a) The equation for the determination of the overall rate of growth (g) in the Harrod-Domar model is given by:

g = (s - δ) / θ

Where:

g is the overall rate of growth

s is the savings rate (S/Y)

δ is the depreciation rate

θ is the capital-output ratio (K/Y)

(b) In the Solow model with technical progress, at the steady state, the per capita income (y) is determined by the following equation:

y = (s / (n + δ + g)) / (π + n + g)

Where:

y is the per capita income

s is the savings rate

n is the population growth rate

δ is the depreciation rate

g is the overall rate of growth

π is the technical progress rate

(c) In this case, we assume that Country A has a savings rate of 30% (sA = 0.3) and Country B has a savings rate of 20% (sB = 0.2), while other parameters are the same. To determine which country has a higher level of income per capita at time t, we need to compare their per capita income equations.

For Country A:

ya = (0.3 / (n + δ + g)) / (π + n + g)

For Country B:

yb = (0.2 / (n + δ + g)) / (π + n + g)

Since all parameters are the same for both countries except the savings rates, we can compare ya and yb directly. By substituting the values, we can see that Country A will have a higher level of income per capita at time t compared to Country B if ya > yb.

However, without specific values for the population growth rate (n), overall rate of growth (g), and technical progress rate (π), it is not possible to determine definitively which country will have a higher level of income per capita at time t.

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