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notsponge [240]
3 years ago
13

Euglenas are single-celled organisms. What can you confirm about euglenas from this diagram?

Biology
2 answers:
Vlad1618 [11]3 years ago
7 0
It's B, Most them can make or produce their own food.
9966 [12]3 years ago
6 0

Answer:

The correct answer is b) they are capable of photosynthesis.

Explanation:

Euglenas are a group of flagellated protists commonly found in fresh water. As you can see from the picture, one of the organelles found in the cytoplasm is chloroplast and this organelle is directly involved in photosynthesis process. So, as Euglena has chloroplast the correct option must be that they are capable of photosynthesis.

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Facilitated diffusion occurs ​
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The water cycle always begins with?
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3 years ago
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How does natural selection or human evolution affect disease susceptbility
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Which part of the cell theory do these results most support:
Vlad1618 [11]
<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2><h2>_____________________________________</h2>

\huge\textbf{Cell Theory}

the Cell Theory was give by German scientists, Schleiden and T.Shwan in 1839. It stated that,

  • All organism are composed of one or more cells

  • The cell is the structural and functional unit of life
  • It is a de novo structure, that means it COULD arise from non living thing which was incorrect.

It was corrected by the German pathologist  Rudolf Virchow in 1855. He made a convincing case, corrected and added the third point of the cell theory. It is,

  • Cells can arise only by a division of pre-existing cell. It is <u>NOT</u> a de novo structure.

Cell theory brought a great evolution in the field of biology which established the function of organism is the result of activities and interaction of the cell units.

<h2>_____________________________________</h2>

\huge\textbf{Question:}

  • <u>Flask 1</u>: It is observed that there are no micro-organism, this is because the meat is sealed and no micro-organism could enter through it.
  • <u>Flask 2</u>: It is observed that there are micro-organism present because meat is not sealed but open.
  • <u>Flask 3</u>: As the S tube is used, the micro-organism are not able to reach the meat because of the curvy path

These observations support the  point that<u> cells could arise only by a division of pre-existing alive cells</u> because in Flask 1 when there were no micro-organism present so there was no organisms found so no micro-organism arised, In flask 3 the S tube was used so no micro-organism could reach the meat thus there were no organism there which could divide to reproduce. The flask 2 was open, so the micro organisms reached the meat so they divided which means Cells can only arise by a division of pre-existing cells.

<h2><u>_____________________________________</u></h2><h2>Best Regards,</h2><h2>'Borz'</h2>

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