B and D.
A respondent behaviour is caused by a stimuli. In this case, it’s the body’s natural instinct to sniff to locate the source of a strange odour or to blush when embarrassed.
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In most cases, a lung transplant is done only after all other treatments for lung failure are unsuccessful. Lung transplants may be recommended for people under age 65 who have severe lung diseases. The major risk of a lung transplant is organ rejection. This happens when your immune system attacks your donor lung as if it were a disease. Severe rejection could lead to failure of the donated lung. Other serious complications can arise from the drugs used to prevent rejection.
Answer:
I think it is all of the above
Explanation:
Desirable characteristics can be formed from specific breeding. I say it is all of the above because you might want a smart animal to work, a cuddly pet, a animal with more meat production, and a top quality show animal. I hope this helps
<h2>Answer and Explantion</h2>
Asexual reproduction is a kind of reproduction by which children emerge from a single organism and obtain the genes of that origin only, the union of gametes is not included and nearly never varies the number of chromosomes. Asexual reproduction enables people that are genetically identical to the parent plant. Plants can produce seeds without fertilization by the process of apomixis, then the ovary emerges to new seeds. Plants and fungi proliferate asexually.
Answer:
reproductive hormone in men
Explanation: