What is the source of energy in most ecosystems?

animals
plants
oxygen
sunlight

Me develop an argument for why buddhism and or confucianism is sometimes referred to a philosophy rather than a religion

Two grizzly bears are fighting over a fish to feed themselves. what kind of interaction is this scenario, which works as a limiting factor in the bears' survival? a. apparent competitionb. interference competitionc. exploitation competitiond. mutualism

Which statement best explains how world war ii to end the great depression? a. new job opportunities opened as the united states produced more military products. b. the u. s. army provided new jobs that paid better than any other work at the time. c. people had to worry more about war problems than about the economic crisis. d. the war caused people to trust the economy enough to spend more money.