4. An organism is viewed under low power and occupies approximately ¼ of the field diameter. The field diameter of this particular microscope under low power is 2000 µm. Calculate the actual size of the organism.

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere