Which group of plants would be the first colonizers in an ecological succession changing rocks to soil?

Tathmini: JAMB UTME - Biology - 1993 Somo: Biology

Swali 1 Ripoti

Which group of plants would be the first colonizers in an ecological succession changing rocks to soil?
Maelezo ya Majibu
Lichens would be the first colonizers in an ecological succession changing rocks to soil. Lichens are symbiotic organisms that consist of a fungus and an alga or cyanobacterium. They are able to grow on bare rocks and start breaking them down into soil by secreting acids that dissolve the rock surface. The breakdown of rocks and the accumulation of organic matter in the lichen thalli contribute to the formation of soil. This process is the first step in ecological succession, where plants and other organisms gradually colonize a barren area and change its ecological community over time.
Tazama Jibu

Maswali yanayohusiana

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Which of the following is the correct order of the developmental stages?
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In the illustration above, the genotypes of the offsprings are
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After circulation in the lungs, the blood returns to the left auricle through
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Which of the following organisms has lost the pentadactyl limb structure?
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