Answer: Normally, the invasive species can reproduce rapidly because their environment has no/lacks predators and pests.
<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.
Answer:
the sixth to the eighth week of pregnancy with the female.
