The sequence: blue green algae - crustose lichen - foliose lichen - mosses - shrubs - dicot trees represent
Correct answer: A. Ecological succession trend
- A. Ecological succession trend
- B. Genetic drift
- C. A food pyramid
- D. A phylogenetic trend
Explanation
This is a sequence of ecological succession, in which pioneer organisms such as algae and lichens are gradually replaced by mosses, shrubs and trees. It describes community replacement, not genetic drift or evolutionary ancestry.
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