Answer:
The development of a protostomed organism begins with a spiral development. The mesoderm divides and forms the celoma. There is formation of the celloma from the blastoporo.
The development of a deuterostomy organism begins with radial and indeterminate segmentation. Archaenteron evaginations occur and celoma is formed. The anus develops from the blastoporo and the mouth from a secondary opening.
stomach villi and blood distribute food
Answer:
The benefits of sexual reproduction:
In the offspring, genetic variation produces
Due to variation, the species can adapt to new environments, giving them a survival advantage.
a disease is less likely to affect all the individuals in a population
Explanation:
If the substances preform the same in a variety of test, the they are the same. This is because they should always be tested in multiple categorys to see if they are the same or at least alike.
The point on earth's surface directly above an earthquakes focus (hypocenter) is called the epicenter.
