Answer:
1. the study of human behaviour.
2. using a secret or exclusive language in certain circumstances
3. Multilingual
All engineers solve problems related to any field. so the answer is option A.
Hope it helps!!!
Answer:mutualism
Explanation:
In a mutualistic relation,both organisms involved benefit from the activities of each other. The benefits may be nourishment,shelter, protection etc.
In the above example,the birds are known to guide humans by responding to specific calls made by the human. They guide humans to beehives and then in return gets to feed on left over honey. Both the bird and human benefits by getting nourishment.
Mutualism is unlike parasitism where one of the organism involved benefits and the other organisms Is most likely harmed. It is also not commensalism, where one organism benefits and the other neither benefits nor is harmed
The more water stored in the vacuole, the more structural support plants receive. THis is why plants wither (lose structure) when they have not been watered.
