What original benefit would mitochondria receive when they originally came to "live" within a larger cell

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low

Which layer will become saturated first when rain falls?