Blue titmice eat caterpillars. the birds would like lots of caterpillars around when they have young to feed, but they breed earlier than peak caterpillar season. do the birds learn from one year's experience when they time breeding the next year

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

How does human environment effect the biosphere