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Alik [6]
3 years ago
9

Compare and contrast the causes and process of primary and secondary succession.

Biology
1 answer:
liberstina [14]3 years ago
7 0

Answer:Primary succession occurs on land that is new and has never had a flora and fauna example: glacier retreats, lava flows. Secondary succession occurs on land that has been cleared example: by fire, of flora and fauna, but which still has viable seeds and spores in the soil.

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It is the increase in the size of an organism either by increasing its size or by its increase in cell​
zhannawk [14.2K]

Answer:

I believe by increasing the cell (the amount of cells)

Explanation:

3 0
2 years ago
A postitivly charged atom has? A.Lost electrons B. Lost protons C.Gained electrons D.Gained protons
Kipish [7]

Not to be too picky, but the question ought to say a positively charge ion rather than atom.

I will assume that is what you mean. An ion, using ordinary means, will be positive if it loses electrons (which are negative).

An ion can never gain protons. Left alone, the nucleus will remain unchanged for the rest of eternity. D is wrong.

C is wrong. If electrons are gained, the ion will go negative.

B is wrong for the same reason D is. An ion can't gain protons and it can't lose them.

A is the answer.

6 0
3 years ago
Can someone explain how it is possible for a single molecule of steroid hormone to create a significant and lasting response in
Mars2501 [29]

Steroid hormone

  • The cell signaling pathways induced by the steroid hormones regulate specific genes within the cell's DNA. The hormones and receptor complex act as transcription regulators by increasing or decreasing the synthesis of mRNA molecules from specific genes.
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  • Hormones work by binding to protein receptors either inside target cells or on their plasma membranes. The binding of a steroid hormone forms a hormone-receptor complex that affects gene expression in the nucleus of the target cell.
  • Steroids pass into a cell's nucleus, bind to specific receptors and genes and trigger the cell to make proteins.

Learn more:

brainly.com/question/10083019

5 0
2 years ago
Read 2 more answers
The type of reproduction that is most often used by multicellular organisms is.
Nezavi [6.7K]

Meiosis is involved in the formation of the gametes of multicellular organisms.

<h3>How do multicellular organisms reproduce?</h3>

Both plants and animals reproduce by developing new individuals, through gametes or reproductive cells.

<h3>Characteristics of multicellular organisms reproduction</h3>

  • Many multicellular organisms always arise from a single cell called a zygote, the result of the union of two gametes (female and male).

  • The zygote subdivides rapidly throughout gestation, forming the entire body of the creature that, from its birth, begins to grow.

Therefore, multicellular organisms reproduce by means of certain types of reproductive cells that are generated and take care of building a complete new individual.

Learn more about multicellular organisms reproduction here: brainly.com/question/220315

5 0
2 years ago
Which of these does NOT occur during meiosis? *
Tamiku [17]

Answer:

production of new gene combination

Explanation:

cause it doesnt occur during meiosis

8 0
3 years ago
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