Diversification in plant life appeared
(a) due to long periods of evolutionary changes
(b) due to abrupt mutations
(c) suddenly on earth
(d) by seed dispersal
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The correct answer is a) due to long period of evolutionary changes
Explanation:
Desertification of plants is one of the major environmental issues now a days. It refers to the degradation of plants. It has lead to the distinction of many rare plant species and a lot of species have become endangered. There are many reasons for plant degradation.
- Increase in urbanization
- Global warming
- Climate change
- Deforestation
- Water scarcity and over draining ground water
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