They use mutualism, echo-location to communicate.
It is a unique social interactions that are used by spinner dolphins and pilot whales. They spin as a social interaction, they start to hunt.
It is the mutualism, because create a bait ball of the fish they want to eat.
The spinner Dolphins ( Stenella longirostris ) commonly use inshore island and atoll habitats for daytime rest and social interactions and forage over deep waters at night. In Hawaii, they occur throughout the archipelago.
The pilot whales are in fact one of the largest members of the dolphin family, but they are treated as whales for the Marine Mammals Protection Regulations 1992. Although they are named pilot whales because it was thought that each pod followed a 'pilot' in the group.
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Answer:
Pesticide resistance is the increased tolerance capacity of pests against the pesticides that farmers use to protect the crop.
Explanation:
- Pests are the undesirable organisms that causes harm to the crops and vegetation. For the purpose of avoiding them, farmers use pesticides.
- After the repetitive use, these pests develop resistance against the pesticide in their gene, this is called as the pesticide resistance.
- Use of pesticide is quite beneficial for the farmers because it can increase their productivity but adversely affects the environment.
- The excessive use of pesticides causes the chemical pollution.
The cities, especially the largest ones have almost always been located along the banks of a river, usually a larger one. ... In the past, a major reason was the fertile soil, as the larger population needed more food, and the fertile deposits by the rivers enable high scale production of food. ( cite: google )
Answer:
The Bees find the required nectar in the flower by the "sight as well as the odor and also they receive buzz from the floral electric field".
Explanation:
The nectar are agent that are secreted for pollination, specifically cross-pollination. Bees land into or nearer to the flower. Once they landed they use their proboscis for identifying the nectar or to pick it up. Bees also receive a buzz from the flower's electric field. After sensing that electric field, bees can now identify whether the visit to the flower will be worth or not. As we already know, that bee buzz across the flower is the quest for nectar.
Answer:
These molecules share features in common with primordial forms of life
Explanation:
Coacervates are considered to be complex systems formed by the association of organic molecules. These systems are related to primitive forms of life due to the fact that they are formed by organic matter, molecules with opposite charges and hydrophobic polypeptide chains
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