A scientific hypothesis is best defined as

Answers

Answer 1

Answer:

It is best defined as a "proposed explanation".

Answer 2

Answer:

Final answer:

A scientific hypothesis is a tentative explanation for an observation or phenomenon that can be tested scientifically. It's an educated guess about the relationship between two or more variables. For instance, stating that plants require sunlight to grow is a hypothesis that can be tested.

Explanation:

A scientific hypothesis is best defined as a tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation and/or experimentation. In other words, a scientific hypothesis is an educated guess about the possible relationship between two or more variables. For example, if you observed that a plant did not grow well without sunlight, you could form a hypothesis that plants need sunlight to grow. You could then test this hypothesis through an experiment.

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A certain plant has small, dull colored flowers with no scent . Do you think the plant is pollinated by animals or by the wind? Explain.

Answers

The plant is most likely pollimated by the wind. Vivid ,bright colours along with strong scents attract insects. However, since the plant lacks both of those we can assume that the main factor that helps to its pollination is the wind

What part of a flower forms a fruit?
a.Stamen
b.Anther
c.Stigma
d.Ovary

Answers

Answer:

d.Ovary

Explanation:

The part of the stamen where pollen is produced. Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma. The mature ovary is a fruit, and the mature ovule is a seed.

d. ovary
a fertilized, fully grown and ripened ovary forms a fruit

As water passes into the guard cells, the pore opens. explain why.

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Answer:One of the most important functions of guard cells is to control the closing and opening of the stoma/pores. While the opening of these pores allows water to be released into the environment, it also allows carbon dioxide to enter the cell for photosynthesis (as well as the release of oxygen into the environment).

Explanation:

Answer: guard cells are a pair of cells that surround each of the stoma openings. to open the cells, they have to be triggered by one of many possible environmental or chemical signals. these can include more sunlight or higher than normal levels of carbon dioxide within the cell.

Explanation:

they open to regulate the gas and moisture exchange, hope that this is what you were looking for :)

Identify the error that occurred in Meiosis II.A)Homologous chromosomes failed to separate, resulting in polyploidy.
B)Homologous chromosomes failed to separate, resulting in recombination.
C)Homologous chromosomes failed to separate, resulting in nondisjunction.
D)Homologous chromosomes failed to separate, resulting in independent
assortment

Answers

Answer:

The correct option is C) Homologous chromosomes failed to separate, resulting in non-disjunction.

Explanation:

Non- disjunction can be described as a phenomenon in which the chromosomes fail to separate during cell division, resulting in both the chromosomes being transferred to a single gamete.

Non- disjunction can occur in three types:

Non- disjunction can occur at the time of meiosis when the sister homologous chromosomes fail to separate.
It might occur in mitosis when sister chromatids fail to separate.
It might occur in meiosis II when sister chromatids fail to separate.

Answer:

Explanation:

What determines the damage caused to the human body by an electric shock

Answers

These are the main factors:

• the amount of current flowing through the body
• the path of the current through the body
• the length of time the body is in the circuit
• the voltage of the current
• the presence of moisture in the environment
• the phase of the heart cycle when the shock occurs
• the general health of the person prior to the shock
• how quickly the person is treated.

Yeast and sugar are added to water, the gas produced is captured, and its volume is recorded. Which variables should be held constant during this investigation?i know the answer, just need an explanation as to why

Answers

The amount of yeast, sugar and volume of water used - to ensure the results are unbiast. ONE of the things above should be changed, to ensure there are differences that occur, but the other two must be maintained.

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