Which of the statements below are true?

insects are rarely important to the health of forest ecosystems.
people's activities can improve the health of an ecosystem.
people's activities have no measurable effect on ecosystems.
plants produce food for ecosystems.
predators keep ecosystems healthy.

Match the term with the corresponding definition. 1. mountains 2. geographic position 3. latitude 4. oceans 5. pressure 6. land vs. water a. affects temperature by influencing the seasonal range of solar intensity b. despite being at similar latitudes, continental locations have a larger seasonal range in temperature than waterfront locations c. local topography predict temperature and precipitation d. thinner air less able to hold heat makes climate colder e. sea surface temperature influences air temperature and evaporation rates f. affects temperature, moisture, and storm tracks