8.-Señale la opción incorrecta: a) El sistema nervioso se divide en: Central, Periférico y Autónomo b) EI SNC está formado por el encéfalo y medula espinal c) El cerebelo es el centro nervioso de la conciencia incorrecta d) La medula espinal conduce señales nerviosas sensitivas y motoras. e) El tallo encefálico regula funciones como la respiración

According to the text, how is the water amount reduced in underground aquifers? (A) Plant roots remove the water. (B) Snow melts and soaks into the ground. (C) Gravity moves the water into streams. (D) People pump water from them.

3. What does the article suggest about the effectiveness of measures like wearing masks and social distancing in controlling the virus's spread? 4. How did the pandemic alter daily routines for students and their families, and what can you infer about the challenges they faced? 5 . What can be inferred about the importance of vaccines in reducing COVID-19 cases in the United States?

Why is Ardi such an important development? (A) It proves the connection between Antarctica and Australia. B It shows fossil records of how interconnected all of humanity is. (C) It lends credibility to the idea that humans originated in Mongolia. (D) It is even older than Lucy, another human ancestor fossil.

What was the indication to Richard Owen that the fossils he had found were not like other reptiles? A) They were found in climates where scientists know reptiles cannot survive. B) They had five vertebrae, and their limbs did not sprawl t the side, but were upright. Chey did not have any vertebrae, and their limbs sprawled out to the side rather than upright. (D) They were much smaller than any other bones that had ever been found.

\[ \text { Biodiversidade } \] Biodiversidade diz respeito, entre outros fatores, à variedade de seres vivos de um local. O Brasil destaca-se como uma das regiões do planeta com maior Biodiversidade. Biodiversidade é um termo usado pela primeira vez na década de 1980 como sinônimo da expressão da diversidade biológica. Falar em biodiversidade é falar da riqueza de espécies de uma região bem como das variações ocorrentes nessas espécies. Todas as áreas do planeta apresentam biodiversidade, entretanto, em algumas regiões, ela é maior, porém isso não significa que sua importância seja