Advertisements
Advertisements
Question
What is co-evolution?
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Read the given statements and select the correct option.
- Hydrophytes possess aerenchyma to support themselves in water.
- Seeds of Viscum are positively photoblastic as they germinate only in presence of light.
- Hygroscopic water is the only soil water available to roots of plants growing in soil as it is present inside the micropores.
- High temperature reduces use of water and solute absorption by roots.
In soil water available for plants is
The plant of this group are adapted to live partly in water and partly above substratum and free from water
Strong, sharp spines that get attached to animal’s feet are found in the fruits of
Sticky glands of Boerhaavia and Cleome support
Why are some organisms called as eurythermals and some others as stenohaline?
The organic horizon is generally absent from agricultural soils because tilling, e.g., plowing, buries organic matter. Why is an organic horizon generally absent in desert soils?
Sandy soil is not suitable for cultivation. Explain why?
Explain Raunkiaer classification in the world’s vegetation based on the temperature.
Read the following statements and fill up the blanks with the correct option.
- Total soil water content in soil is called ______
- Soil water not available to plants is called ______
- Soil water available to plants is called ______
