.- La interacción más importante entre las poblaciones de un ecosistema está dada por el alimento, en la cual cada organismo lucha por conseguirlo a través de las cadenas alimenticias. De esta forma la materia y energía viajan de un organismo a otro

The use of dna as evidence in criminal investigations became possible because of the

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative