5. Expresa tu opinión sobre: -los diferentes mecanismos o estrategias que usan algunas especies para la supervivencia ante los escases de
recursos como el agua, la luz, el alimento y ante las inclemencias del clima.
-Sobre la necesidad de que en un ecosistema sea necesario la presencia de depredadores.
6. Resuelve el crucigrama sobre los tipos de relaciones entre los ecosistemas. es naturales

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

the fossil record provides evidence of a common ancestor to many species.