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mylen [45]
3 years ago
15

Which of the following is usually done first in the scientific method of investigation?

Biology
2 answers:
Tasya [4]3 years ago
4 0
Answer is- ask a question based on an observation
Ganezh [65]3 years ago
4 0

The correct answer is B. Ask a question based on an observation

Explanation:

The Scientific Method is a process with multiple steps that allow scientist and individuals to study a phenomenon and prove or disprove a hypothesis. This method includes first observing a phenomenon, defining it and asking questions; research on the topic if necessary; then creating a hypothesis or possible explanation; testing the hypothesis through experiments; analyze and interpret the data; publish the results and finally suing more experiments if necessary. According to this, the step that is first done in the Scientific Method is "Ask a question based on an observation" because this goes before any other steps.

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if a human cell with a chromosome number of 46 undergoes meiosis, what number of chromosomes will be in each daughter cell?
KiRa [710]

Explanation:

It's a piece of cake. Here we are provided with the information that a human cell with a chromosome number of 46, undergoes meiosis, what number of chromosomes will be in each daughter cell.

To solve this question first you must be aware about the word meiosis. Meiosis is a type of cell division. It's end product results in the formation of four daughter cells each having half the number of chromosomes as that of the parent cell.

Did you notice? That formed daughter cell will have half the number of chromosomes as that of the parent cell. Hence, 23 chromosomes will be in each daughter cell.

8 0
2 years ago
A Density Dependent Limiting Factor is a limiting factor of a population where a large, dense population is more strongly affect
hjlf
<span>The answer should be: D) water supply

</span>Water is a perishable resource and its supply will limit how much population that an area could hold. <span>With a bigger population, the competition for water will be higher which make water shortage more likely. Others density-dependent limiting factor than competition would be disease, parasitism, and predation.

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5 0
3 years ago
Read 2 more answers
Which does not describe a physical change happening to water?
gulaghasi [49]
Water reacting with nitrogen gas i think, since it doesn’t actually react
4 0
3 years ago
Read 2 more answers
During transcription the DNA base sequence is transcribed into a complementary mRNA sequence. A codon table like the one shown b
xxMikexx [17]

Answer:

b. Even though the DNA sequence changed, the sequence still codes for the same amino acid, so no change in phenotype will occur.

Explanation:

There is redundancy in the genetic code. That means that different codons can code for the same amino acids, so some mutations do not change the amino acid sequence of the protein.

Here, the amino acid is unchanged with the mutation.

If the amino acid sequence of the protein is the same, then the protein is not changed, so there will be no change in the phenotype

5 0
3 years ago
Select the correct partial path below. this path is part of the complete blood flow pathway. you should be able to trace flow st
olasank [31]

The right answer is: aorta to smaller systemic arteries to systemic capillaries to systemic veins to right atrium through the tricuspid valve.

The blood pathway is divided into two circuits, both beginning and ending in the heart.

- Systemic circulation (or general circulation, or "circulation")

It begins in the left ventricle, which through an artery distributes oxygenated blood to organs. Then the blood returns to the right heart (right atrium) through the cellar veins.

Each organ has an afferent vessel, supplying blood, and an efferent vessel carrying non-oxygenated blood.

- The pulmonary circulation (or "small circulation")

It begins in the right ventricle, from where the pulmonary artery sends blood without hematosis to a single organ, the lung. The blood is then oxygenated and returns to the left heart (left atrium) by the pulmonary veins.

4 0
3 years ago
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