Answer:
a)by the process of fermentation
b) organism involved in it are yeast
Answer:
The testes are two oval-shaped male reproductive glands that produce sperm and the hormone testosterone.
Animals can be classified into two main groups:vertebrates and invertebrates<span>. The main difference between </span>vertebrates and invertebrates<span> is that</span>invertebrates<span>, like insects and flatworms, </span>do<span> not</span>have<span> a backbone or a spinal column. Examples of</span>vertebrates<span> include humans, birds, and snakes. hope this helped</span>
