Which kingdom has organisms that are not made of eukaryotic cells?
eubacteria
protista
plantae
animalia

Donde se encuentra el adn nuclear en un organismo eucariota?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

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