What defines an ecosystem?

O living things

O the environment

both living things and the environment

The structure of a cell nucleus would be seen in the greatest detail by using what

Which of these events i most likely to occur as a result of the solar wind? A: cell phone reception is extended B: Microwave may stop working C: Increased navigation system quality D: Radio and television signal disruption

Why are humans called heterotrophs

Which is not a factor that affects the rate of weathering in rocks

Living in urban environments can influence an individual's behavior

Is the force that circulates blood electrical?

Summarize how movements of tectonic plates have influenced climate and life on earth

What are the three types of chemical bonds

In a pond, algae has 10,000 kcal of available energy. If the zooplankton which consumes the algae has 1,000 kcal of available energy, what is the available energy to the minnows that consume the zooplankton?

Why are the symptoms of vascular neurocognitive disorder so different in each patient?