Answer:
A. Coevolution
Explanation:
Coevolution occurs when two species/organisms reciprocally affect the evolution of one another. An example is the coevolution is flowering plants and associated pollinators (e.g., bees, birds, and other insect species). Moths benefit form nectar and orchids benefit from pollinaton.
Answer:
Option (B) Ethylene gas is a chemical signal through which ripening fruits trigger the ripening process in other fruits.
Explanation:
The ethylene hormone triggers the ripening process of fruit. However, in order to slow down the ripening process the action of ethylene is to be blocked. All fruits are capable to produce ethylene up to a certain level after which they start ripening. There are some classes of fruits that respond to the external ethylene such as apple, mango, tomato etc.
Hence, option B is correct
A tsunami is caused by an underwater earthquake, and therefore relates to plate tectonics.
Gradient is the d. dinner membrane of chloroplast
Carbohydrates are the main energy source. But lipids are used for storing energy so
