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puteri [66]
3 years ago
10

How are organisms grouped in an ecosystem? A. by their movement B. by how they get their energy C. by how they migrate D. by how

they produce
Biology
1 answer:
azamat3 years ago
8 0
B. By how they get their energy
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Describe the structure of the cell membrane and explain what materials enter and leave the cell and how each transport method is
Nutka1998 [239]
THE STRUCTURE OF THE CELL MEMBRANE
the cell membrane is a thin layer of a partially permable membrane. That protects the cell's organelles and helps to maintain the shape of the cell.
WHAT MATERIALS ENTER OR LEAVE THE CELL MEMBRANE.
since the cell membrane is partially permable, that it only allows some materials to pass through it only nutrients that need to be metabolized or neede by the cell is allowed or permitted to go in the cell either by diffusion or osmosis.
HOW IE ONE METHOD DIFFRENT FROM THE OTHER?
since diffrent materials that go in the cell have different concentrations, sizes, and weights, the method by which they go into the cell will definately be diffrent materials with larger molecules use the osmosis method to go in the cell, while materials with smaller molecules use the diffusion method. I HOPE THIS REALLY HELPED
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3 years ago
What is the main difference between muscle cells and nerve cells?
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The answer is A.They contain different genes
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3 years ago
Which of the following statements about entropy is true?
umka21 [38]

The correct answer is:

<h3>a. Entropy increases going from one trophic level to another.</h3><h3>Explanation:</h3>

Entropy progress going from one trophic level to another. Entropy is a division for the disorderliness of a system. As the trophic level move to the other, energy is lost so more chaos occurs which inflates the entropy.

6 0
3 years ago
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Which of Thomas hunt Morgan‘s hypothesis was valid
Alexandra [31]

Answer:

White eyes are lethal in male Drosophila was the hypothesis of Thomas hunt which was valid. Hence the answer is option B.

Explanation:

Thomas hunt Morgan was a famous American biologist. He was more famous because of his experiment on drosophila which contributed most of things about the lifestyle and health science in much of the findings about those insects.

He was also awarded by the Nobel prize for his works which was related to medicine in 1933.  He has also contributed many knowledge about the chromosome and heredity. he is finding is very helpful nowadays for the scientist and other biologist.

7 0
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Is paramecium a unicellular or multicellular organism
Ksivusya [100]
<h2>Answer:</h2>

Paramecium is the single celled organism (unicellular).

<h3>Explanation:</h3>
  • An organism which contain only one cell is known as unicellular organism.
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  • In its structure there are food vacuoles for the digestion of food.
  • Paramecium is the eukaryotic organism because it has a well organised cell with distinct nuclear membrane.
  • It belongs to kingdom protista.
5 0
3 years ago
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