That would be known as the heart.
Answer:
Nucleus and acrosome
Explanation:
Human sperm is the male gamete or sex cell formed by spermatogenesis. It is made of a head, neck, a middle piece and a tail. The sperm head consists of a haploid nucleus and anterior to nucleus, an acrosome. The nucleus contains DNA and nuclear protein and it transfers genetic features from the male to the next generation. The acrosome contains an important enzymes, hyaluronidase and acrosin. These enzymes help to enter head into an ovum.
Answer: the answer is that it used to be a wetter place
Explanation:
They have short wings used for speed and maneuverability since they live in the forest in the wild. <span />
<u>Serial monogamy </u>is the answer.
In definition, monogamy is having only one partner; one man and one woman but serial monogamy is having one partner at a certain length of time which in this case defines the asked question.
Other polygamy is the behavior where one lover has multiple partners altogether.