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Earn 100

Match the following?

Column I Column II
(a) Predictable change in species composition (i) Equilibrium
(b) Climax community (ii) Seral stages
(c)  Entire sequence community (iii) Ecological succession
(d) Transitional community (iv) Sere
    (v)  Succession

 

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Important Questions on Ecosystem

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Biology Crash Course NEET>Chapter 36 - Ecosystem>Level 2>Q 47
Which of the food chains will be represented by spindle-shaped pyramid of numbers?
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Biology Crash Course NEET>Chapter 36 - Ecosystem>Level 2>Q 48

Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks.

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Biology Crash Course NEET>Chapter 36 - Ecosystem>Level 2>Q 49

Read the following statements and select the correct ones.
(i) A given species may occupy more than one trophic level in the same ecosystem at the same time.
(ii) Productivity of an aquatic ecosystem is less than that of a terrestrial ecosystem.
(iii) Producers constitute the first trophic level of a detritus food chain.

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Biology Crash Course NEET>Chapter 36 - Ecosystem>Level 2>Q 50
_________conditions inhibit decomposition 
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Biology Crash Course NEET>Chapter 36 - Ecosystem>Level 2>Q 51
The available biomass for the consumption by heterotrophs (herbivores and decomposers) is:
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Biology Crash Course NEET>Chapter 36 - Ecosystem>Level 2>Q 52
The most limiting nutrient of the marine ecosystem is
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Biology Crash Course NEET>Chapter 36 - Ecosystem>Level 2>Q 53
What do primary producers have available to convert into biomass?
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Biology Crash Course NEET>Chapter 36 - Ecosystem>Level 2>Q 54
Which of the following is an incorrect statement?