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Consider the following statements (A-D) ...

Consider the following statements (A-D) and select the option which correctly fills the blacks.
A. A group of species belonging to a trophic level that exploits a common resources base in a similar fashion is known as (i).
B. (ii) reduces decomposition and causes the Pilling up of detritus.
C. In oceans, productivity is limited by (iii) and (iv).
D. The largest reservoir of calcium is (v).

A

`{:((i),(ii),(iii),(iv),"(v)"),("Guild","Oxygen","Nitrogen","Light","Rocks"):}`

B

`{:((i),(ii),(iii),(iv),"(v)"),("Guild","Anaerobic condition","Light","Nitrogen","Rocks"):}`

C

`{:((i),(ii),(iii),(iv),"(v)"),("Guild","Anaerobic condition","Phorphorus","Dark","Soil"):}`

D

`{:((i),(ii),(iii),(iv),"(v)"),("Guild","Anaerobic condition","Nitrogen","Light","Soil"):}`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to fill in the blanks (i) to (v) based on the statements provided. Let's analyze each statement step by step: ### Step-by-Step Solution: **A. A group of species belonging to a trophic level that exploits a common resource base in a similar fashion is known as (i).** - The term that describes a group of species at the same trophic level exploiting a common resource is called a **guild**. **(i) = Guild** --- **B. (ii) reduces decomposition and causes the piling up of detritus.** - The condition that reduces decomposition is an **anaerobic condition**. Anaerobic conditions occur in environments where oxygen is absent, leading to the accumulation of detritus. **(ii) = Anaerobic condition** --- **C. In oceans, productivity is limited by (iii) and (iv).** - In ocean ecosystems, the two primary factors that limit productivity are **light** and **nutrients** (specifically nitrogen, which is a crucial nutrient for aquatic plants). **(iii) = Light** **(iv) = Nitrogen** --- **D. The largest reservoir of calcium is (v).** - The largest reservoir of calcium in the environment is found in **rocks**. Calcium is primarily stored in sedimentary rocks, particularly limestone. **(v) = Rocks** --- ### Final Summary of Answers: - (i) = Guild - (ii) = Anaerobic condition - (iii) = Light - (iv) = Nitrogen - (v) = Rocks
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