1) what evidence is there that the human species has been successful so far? explain.
2) what environmental pressures in the past do you think were most important in shaping the human species as it exists today?
3) what environmental pressures exist now that you think may be shaping the human species?
4) what environmental pressures do you think may affect humans as earth becomes more populated with humans in the future? explain how these pressures may affect human traits.

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

In which situations is the principle of cross-cutting relationship useful in determining relative age?