Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. of the remaining energy, some is used for the organisms life processes and the rest

In general, how long does it take to accomplish a long-term goal? a.a few days to a weekb.a few weeks to a monthc.a few months to a yeard. more than a year

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?

If a keystone species is removed from an ecosystem