1 Una mujer presenta un ciclo sexual regular de 30 días si comienza a menstruar el 15 de septiembre, señala: (3 puntos) a.- ¿En qué momento de su ciclo ocurriría aproximadamente la ovulación? Indica día del ciclo según calendario.
b.- Indica los períodos aproximados de fertilidad e infertilidad (según el ciclo), señalando además las fechas según calendario.

List two new traits (structural or behavioral) that each new species of rat might demonstrate as it adapts to the conditions on two of the four islands. choose only two islands that are described in the lesson. record the island latter and the major habitat feature of the island. then list two new traits each rat subspecies might demonstrate in order to survive the habitat on that island. note: new traits should be unique to that island and be in response to that island’s habitat feature. i cannot remember islands that were names in the lesson so only answer if you have done the lesson (5.13 life science 7b) choose 2 of the islands and describe a structural and a behavioral trait for a rat on each island so 4 total answers, 2 different structurals and 2 different behaviorals, one for each rat for each island

Nerve cells are specialized to respond to stimulitrue or false?

What factors contribute to the effect an environmental toxin has on the human body?