answer:
By altering the light factor
Explaination:
Blood levels of the pineal hormone melatonin are high at night and low during the day. Its secretion is controlled by a rhythm-generating system located in the suprachiasmatic nucleus of the hypothalamus, which is in turn directed by light. So by designing a control in which the intensity or duration of light is altered to regulate this cycle.
<u>ANSWER:</u>
Ogallala aquifer supplies "one-third of the irrigation water" in the United States.
<u>EXPLANATION:</u>
- The "Ogallala aquifer" is located in the "Great Plains of the United States" and therefore gives life to almost all fields of the US.
- The aquifer supplies water for one-third irrigation needs of the United States. The Ogallala is an underground reservoir and is very big in size and the agriculture production in the US is dependent on this aquifer.
- The aquifer is however depleting and water level in many areas has become very low.
- It is important for United States to protect and preserve this aquifer so that the agricultural production does not suffer.
Answer:
A.No legs
Explanation:
With no legs, arms, ears and other appendages, it can slither through grass or among rocks without causing disturbance that might frighten prey.
Answer:
Communication is the process by which individual share their feeling, emotions and other important information. Communication in case of animals can be done verbally or by the means of chemical.
The communication can also be done by friction produced during the sound. As the information given in the question indicates that all the activites or actions that are done by crickets are used in the communication. In these activities, the sender sends the information and the information is tehn perceived by the receiver.