Two species of crickets, Gryllus rubens and Gryllus texensis, have different courtship sogs which can be identified only by the opposite sex of their own species..... I hope this answer helped you out!
I believe the answer is A
Answer:
The identification of gaps from systematic reviews is essential to the practice of “evidence-based research.” Health care research should begin and end with a systematic review. A research gap may not be a research need if filling the gap would not be of use to stakeholders that make decisions in health care.
Explanation:
Lithosphere is the final layer on the planet Earth, erosion caused by wind (atmosphere) or rain (hydrosphere) may also wear down rocks in the lithosphere.
