Question

match the aquatic ecosystems and their examples with the corresponding option.
(i) flowing water a coral reef and estuary
(ii) standing water b river and stream
(iii) marine c pond and lake

options:
○ (i)-b, (ii)-a, (iii)-c
○ (i)-c, (ii)-a, (iii)-b
○ (i)-b, (ii)-c, (iii)-a
○ (i)-c, (ii)-b, (iii)-a

Explanation:

1. Flowing - water (lotic) ecosystems: Examples include rivers and streams (option B: River and stream).
2. Standing - water (lentic) ecosystems: Examples include ponds and lakes (option C: Pond and lake).
3. Marine ecosystems: Examples include coral reefs and estuaries (option A: Coral reef and estuary).

So the correct matching is: (I) - B, (II) - C, (III) - A. Looking at the options, the one that matches is " (I) - B, (II) - C, (III) - A " (the third option among the choices, assuming the third option is labeled with that matching).

Answer:

(I) - B, (II) - C, (III) - A (the option corresponding to this matching in the given choices)