BIOLOGY HIGH SCHOOL

Classify as man-made or natural extinction: Changes in oxygen levels in ocean watera. natural extinction
b. both
c. neither
d. man-made

Answers

Answer 1
Answer:

Answer:

a

Explanation:

cuz it is the fact of theory
Answer 2
Answer: The answer for the question is A.

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Kathy used a survey to determine how many of her classmates were left-handed and how many were right-handed.Is it A. Recognize a problem.
B. Form a hypothesis
C. Test the hypothesis with an experiment
or
D. Draw conclusions

Answers

C. Test the hypothesis with an experiment because her survey was an experiment to prove/disprove her hypothesis

Final answer:

Kathy's survey falls under option D - drawing conclusions. This means she gathered data through her survey and made conclusions on how many of her classmates are left-handed and right-handed.

Explanation:

In the given scenario, Kathy is conducting a type of research to identify the number of her classmates who are left-handed and right-handed. This activity falls under D. Draw conclusions. Through the survey, Kathy is collecting data, analyzing it, and then drawing conclusions based on the information she has gathered.

It's important to understand the steps of scientific investigation: Usually, recognizing a problem is the first step where questions about an observed issue are asked. Forming a hypothesis is the second step where potential answers to the problem are proposed. These hypotheses are then tested through experiments. Finally, conclusions are made based on the results of these experiments.

In this case, Kathy has skipped right to drawing conclusions. Through her survey, she has gathered information and based on that information, she can draw a conclusion on how many of her classmates are left-handed or right-handed.

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By locating active __________, geologists determine the likelihood of earthquakes in a region

Answers

By locating active faults, geologists can determine the likelyhood of earthquakes in a region. A fault is a crack in the earth's surface along which movement occurs. Movement along faults cause earthquakes. Seismologists use various intruments such as GPS and seismographs to monitor movement along faults to attempt to predict the likelihood of a quake.
The word that would best complete the sentence, "By locating active ____, geologist determine the likelihood of earthquake in a region", is fault line. The presence of the fault lines increased the risk of a certain area to the disasters such as earthquake when there is a movement underground.

Compare Organisms that do not have ventilation system to ones that have one

Answers

Organisms that have ventilation systems will draw in air (orwater) that is rich in oxygen and will draw out air that has carbon dioxide. Thisis essential for a multicellular organism to thrive because carbon dioxide isharmful for an organism since carbon dioxide (CO2) is a waste product. Such isthe system that contain veins, capillaries and arteries. On the other hand, organismsthat don’t have ventilation system, can survive without it because they aresingle-celled and the path for the nutrients and needed oxygen is so short thatthey can efficiently exchange gases at the surface.

Based on this diagram explain how the mutation in the DNA sequence affects protein synthesis ?

Answers

The mutation in DNA causes the changes in  enzymes to read the DNA sequence incorrectly or unable to read the sequences. So, the sequence will code for the wrong amino acid by the process of translation, and not make the correct protein.

What are the components of translation?

protein synthesis can be defined as the process in which amino acid sequence can be formed from m RNA sequence, means the nucleotide sequence encode amino acid called as the genetic code.  

Translation occur in cytoplasm, it involves in transportation of amino acid to the ribosome and form polypeptide chain, one translator  conducts the translation and another is substrate where the mRNA is translated into a new protein

Ribosomes have the  major component responsible for of ribosomal RNA (rRNA) and proteins, these rRNA  peptidyl transferase bind to the large subunit with three active sites (E, P, A) of amino acids which are responsible for  catalytic activity.

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Answer:

The mutation in DNA causes the enzymes to read the gene sequence incorrectly. So, the sequence will code for the wrong amino acid, and the cell will not make the correct protein.

Explanation:

Reproductive isolation occurs when? A. a small number of individuals moves and starts a new population
B. some catastrophic event greatly reduces the size of a population
C. the gene pools of different populations have become very diversified
D. members of different populations can no longer mate successfully

Answers

I would say D. Members of different populations can no longer mate successfully. I hope I'm right and good luck :)
The answer is D: members of a different populations can no longer mate successfully


Or if they do reproduce their offspring will be sterile meaning their offspring won't be able to reproduce. An example would be a horse and a donkey mating. They usually produce sterile offspring.

Hopefully this helped and good luck.

How do environmental factors influence genetic traits?a. Environmental factors determine all genetic traits.
b. Environmental factors can determine if a genetic trait becomes a health issue.
c. Environmental factors are determined by genetic traits.
d. Environmental factors have no influence on genetic traits >
Which of the following statements about human society and limiting factors is true?
a. Modifications made to the environment to reduce the impact of limiting factors can cause ...

Answers

b. Environmental factors can determine if a genetic trait becomes a health issue.

  • Food, temperature, sunlight, and water are examples of environmental factors that can affect an organism's traits. Many characteristics of plants and animals involve both inheritance and the environment.
  • Environmental factors such as diet, temperature, oxygen levels, humidity, light cycles, and the presence of mutagens can all impact which of an animal's genes are expressed, which ultimately affects the animal's phenotype.
  • Changes in many genes, each with a small effect, may underlie susceptibility to many common diseases, including cancer, obesity, diabetes, heart disease, and mental illness.

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Answer:

The correct answer would be B

Explanation:

Correct on EDG
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