The correct answer that would best complete the given statement above would be the first option. <span>A hawk maintains a constant internal temperature in both the heat of the day and the cool of night this is called endothermy. By definition, endothermy means that it is the physiological generation and regulation of body temperature by means of metabolism. Hope this answer helps.</span>
<span>Male adaptations to sperm competition include relatively large testes, large sperm stores and long spermatozoa, mate guarding and frequent pair copulations. Females show no obvious morphological adaptations to sperm competition but, by controlling whether copulations are successful, they probably determine its frequency and extent. Despite this, the evolutionary benefits females acquire from extra-pair fertilizations are poorly understood.</span>
Answer:
<em>The correct option is A) if the research uses anonymous questionnaires</em>
Explanation:
For research studies, it is always important that the consent of the participants be taken if they are to be mentioned in the research. Without the consent of a person, a researcher cannot use anything related to that person in his research. However, in scenarios where you have to keep the data anonymous and just depict the results, consent is not necessary. However, one should recognize that apart from anonymous studies, not taking consent of the participants is unethical.
Answer: plants such as trees convert carbon dioxide into oxygen, which gives the earth a constant supply of oxygen.
Explanation:
