The correct answer is A. They ensure that the ecosystem is not stripped entirely of its vegetation
Answer:
A
Explanation:
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The main reasons for the extinction of flora and fauna are:
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Answer:
Name and Title
Include your name, instructor's name, date, and name of lab.
Objective(s)
In your own words, what was the purpose of this lab?
Hypothesis
In this section, please include the if/then statements you developed during your lab activity. These statements reflect your predicted outcomes for the investigations. You will investigate two different versions of the tree environment as it changes over time: light-colored bark and dark-colored bark. Be sure to list your hypothesis for each environment below.
Example: If I investigate the light-colored bark environment, then I will observe an increase in the light-colored peppered moths over time.
Hypothesis for the light-colored bark:
Hypothesis for the dark-colored bark:
Procedure
The procedures are listed in your virtual lab. You do not need to repeat them here. Please be sure to identify the test variable (independent variable) and the outcome variable (dependent variable) for this investigation.
Reminder: The test variable is the item that is changing in this investigation. The outcome variable is the item that you are measuring in this investigation.
Test variable (independent variable):
Outcome variable (dependent variable):
Data
You will investigate both environments. Record your data for each trial of that environment in the data charts below.
Pre-Industrial Revolution Bark (Light-colored)
Generation Rate of Survival for Light-colored Peppered Moths Rate of Survival for Dark-colored Peppered Moths
1
2
3
4
5
Post-Industrial Revolution Bark (Dark-colored)
Generation Rate of Survival for Light-colored Peppered Moths Rate of Survival for Dark-colored Peppered Moths
1
2
3
4
5
Conclusion
Your conclusion will include a summary of the lab results and an interpretation of the results. Please write in complete sentences.
What caused the tree bark to become darker?
In the lab simulation, which color peppered moth was able to have the higher rate of survival on the light bark?
In the lab simulation, which color peppered moth was able to have the highest rate of survival on the dark bark?
During the Industrial Revolution, explain what caused the population of light-colored peppered moths to decrease and the population of dark-colored peppered moths to increase over time. Be sure to include how the ability to survive and reproduce impacts the process of natural selection.
Predict which color peppered moth would have a better chance of survival in your neighborhood? Explain why.
Explanation:
Evolution and natural selection is the process where organisms with characteristics that allow them to adapt to their environment reproduce more successfully. Writing about this can involve exploring real-life examples of evolution in action such as antibiotic resistance in bacteria, or changes observed in the Galapagos finches.
The subject 02.04 Evolution and Natural Selection in science refers to the process by which species adapt to their environment and change over time. Natural selection, first proposed by Charles Darwin, is the mechanism that drives this evolutionary change. It is the process where organisms with characteristics that allow them to better survive in their environment will reproduce more successfully.
Writing about this topic might involve exploring examples of evolution in action, such as antibiotic resistance in bacteria or the changes in beak shapes among Galapagos finches. For example, you could write about how bacteria resistant to antibiotics have a survival advantage and are more likely to reproduce, spreading their resistance to future generations. This is evolution by natural selection in action.
Perhaps consider the impact of human activities on evolution, such as how pesticide use in agriculture has driven evolution in pests. Be sure to include how natural selection can only occur if there is variation within a species, if that variation is heritable, and if different genotypes have different reproductive success.
B. homozygous
C. petit
D. queue
The correct option is B.
Chromosomes can be classified as either homozygous or heterozygous based on the similarities between two alleles. A homozygous chromosome refers to a chromosome that have identical alleles on both homologous chromosomes. When the trait is dominant, it is represented by two capital letters; when the trait is recessive, it is represented by two lower case letters.
When the identical alleles are present on two chromosomes for a particular trait, the chromosomes are said to be homozygous.
Further Explanation:
The extent to which the genetic sequence of both the copies of a gene is the same is called zygosity. It can also be considered as the percentage of similarity the alleles have in an organism. The eukaryotes are mostly diploid in nature which implies that they contain chromosomes in a matching pair. In a diploid organism, the homologous chromosomes are present on the same loci but the two chromosomes can differ in the sequences at the loci. When both the alleles are the same in a diploid organism, then the organism is said to be homozygous. On the other hand, if the alleles differ in the nucleotide sequence, they are called heterozygous.
Different individuals have different DNA sequences for the same gene. These differences in the sequences form different forms of the same gene called alleles. Some genes have just one allele as any deviation in the allelic sequence might be fatal, while some other genes have more than one allele. The frequency of these alleles varies among a population. Two alleles might have an equal distribution in the population or one allele might be very common, making the other allele rare. The alleles are inherited from each parent which pair up in the zygote. The zygosity describes whether the two alleles are the same or different in their DNA sequences.
When two chromosomes contain the same copies of the alleles, they are called homologous chromosomes and the organism is termed as homozygous. An individual can be homozygous-dominant or homozygous-recessive depending on whether it has dominant or recessive copies of the alleles. The homozygous-dominant individual will express the dominant phenotypic traits while the individual who is homozygous-recessive will have a recessive trait.
Learn More:
1. Learn more about meiosis brainly.com/question/1600165
2. Learn more about the process of molecular diffusion in a cell brainly.com/question/1600165
3. Learn more about human sperm and egg cell brainly.com/question/1626319
Answer Details:
Grade: High School
Chapter: Zygosity
Subject: Biology
Keywords:
zygosity, homozygous, heterozygous, homologous chromosomes, genes, allele, DNA, nucleotide sequence, dominant, recessive, trait.
The Sun is the object in space that emits light due to the energy released from nuclear fusion in its core. This process involves the fusion of hydrogen nuclei to form helium, releasing energy as photons, neutrinos, and gamma rays. The released energy, particularly the photons, is therefore responsible for the Sun's light.
The object in space that emits light because it releases energy produced by nuclear fusion is the Sun. This nuclear fusion takes place in the Sun’s core and involves the combination of two hydrogen nuclei to form helium, releasing energy in the process. This energy is released as light and other particles such as neutrinos and gamma rays.
In detail, the nuclear fusion reaction in the Sun converts about 10³8 protons per second into helium at a temperature of 14 million Kelvin. The energy produced manifests as photons (light), neutrinos, and other particles. The neutrinos and gamma rays escape the Sun's core and propagate out into space.
The energy from this nuclear fusion diffuses slowly towards the surface of the Sun, lighting up the Sun and ultimately, our Earth. It's worth noting that though this process destroys mass, the amount of energy release, known as the Q value, is incredibly large, affirming the application of Einstein's mass-energy equivalence principle, E=mc².
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