Chlorofluorocarbon (CFC) is used as the aerosol propellant. An aerosol is a suspension in the gaseous form of solid or liquid particles. When these compounds reach the stratosphere, UV light affects them and they release chlorine atoms. Chlorine atoms are capable of breaking down ozone molecules. With fewer ozone molecules, the ozone layer becomes thinner and harmful UV light passes through it.
The correct answer is B. Chlorofluorocarbons.
I took the test in K12 so I am 100% percent positive
According to the graph, the population of the rabbits increased rapidly at first, then leveled off in late March.
Which of the following is the most likely explanation for why the population of Eastern Cottontail Rabbits did not continue to increase rapidly?
A. The number of predators of Eastern Cottontail Rabbits decreased.
B. As the population of Eastern Cottontail Rabbits in Red Forest increased, food resources became scarce.
C. Increased rainfall in the spring caused fresh water supplies in Red Forest to become more plentiful.
Answer:
B. As the population of Eastern Cottontail Rabbits decreased.
Explanation:
B Mutations increase the genetic variation within a population, and some of the variants may provide an advantage to individuals over time
C Mutations help stabilize the genetic variation within a population, and only one or two variants generally provide an advantage to individuals.
D Mutations help reduce the genetic variation within a population, and thus increasing the rate that new adaptations develop.
The role of mutations in evolution by natural selection is option b. Mutations increase the genetic variation within a population.
The mutation is significant as the first step of evolution since it developed the new DNA sequence for the specific gene that developed the new allele.
Also, at the same time, it rise the genetic variation within the population also it provides as an advantage to individual
hence, the option b is correct.
Learn more about mutation here: brainly.com/question/14844437
Answer:
B. Mutations increase the genetic variation within a population, and some of the variants may provide an advantage to individuals over time
Spores are living organisms.
Spores are indeed living organisms, and this classification is based on fundamental biological characteristics. Living organisms exhibit certain key traits, such as growth, reproduction, response to stimuli, and metabolism. Spores, which are reproductive cells of fungi, plants, and some bacteria, fulfill these criteria.
In the process of sporulation, a parent organism produces spores as a means of reproduction. These spores contain genetic material and are capable of developing into new, fully functional organisms under suitable conditions. They have the ability to germinate, grow, and eventually reproduce, which are essential attributes of living organisms.
Additionally, spores can respond to environmental stimuli. For example, some fungi release spores when they detect favorable conditions for growth, ensuring their survival and proliferation. This ability to react to the environment further emphasizes their living nature.
In summary, spores are living organisms because they possess the vital characteristics of life, including the ability to grow, reproduce, and respond to stimuli. Their role in the life cycles of various organisms highlights their significance in nature.
Learn more about Spores
#SPJ11