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प्रश्न
Define Eutrophication.
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उत्तर
Eutrophication: The process by which a body of water enriched in dissolved nutrients (such as phosphates) that stimulates the growth of aquatic algae usually resulting in the depletion of dissolved oxygen.
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संबंधित प्रश्न
Name the three important components of biodiversity.
Define Biodiversity.
By given the example of a tree explain various types species diversity.
True (or) False. If false write the correct answer.
Fishes are aquatic vertebrates.
Define dichotomous key.
Find the group having only marine members.
The Extinction of spices is called ______.
Write the binomials of
- Man
- Tapeworm
Why is genetic variation important in the plant Rauwolfia vomitoria?
The table given below shows the Area, Y-intercept and regression coefficient of the continents namely, Africa and Europe. Study the table carefully and answer the questions that follow:
| Africa | Europe | |
| Area (A) | 62,000 km sq. | 65,000 km sq. |
| Y-intercept | (C) 10 | 20 |
| Regression coefficient (Z) |
1 | 1 |
- Calculate the species richness (S) of each continent.
- Which of these continents shows a higher biodiversity?
- State any two factors that cause an increase in biodiversity.
