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प्रश्न
What is co-evolution?
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उत्तर
The interaction between organisms, when continues for generations, involves reciprocal changes in the genetic and morphological characters of both organisms. This type of evolution is called Co-evolution. It is a kind of co-adaptation and mutual change among interactive species.
Examples:
- Corolla length and probosci's length of butterflies and moths (Habenaria and Moth).
- Bird’s beak shape and flower shape and size.
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संबंधित प्रश्न
Read the given statements and select the correct option.
- Loamy soil is best suited for plant growth as it contains a mixture of silt, sand, and clay.
- The process of humification is slow in the case of organic remains containing a large amount of lignin and cellulose.
- Capillary water is the only water available to plant roots as it is present inside the micropores.
- Leaves of shade plant have more total chlorophyll per reaction centre, low ratio of chl a and chl b are usually thinner leaves.
Read the given statements and select the correct option.
Statement A: Cattle do not graze on weeds of Calotropis.
Statement B: Calotropis have thorns and spines, as a defense against herbivores.
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Sandy soil is not suitable for cultivation. Explain why?
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Explain Raunkiaer classification in the world’s vegetation based on the temperature.
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What is the soil profile? Explain the characters of different soil horizons.
