1. Qué es la inmunidad artificial y natural? Explica detalladamente como reaccionan frente a un virus. 2. Qué es la inmunidad artificial pasiva y activa? Qué es la inmunidad natural artificial y pasiva?

One gene can influence trait(s). one trait can be determined by gene(s).

According to the cladogram, which organisms have roundworms as a common ancestor?

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.