What is the most likely effect on the energy pyramid if all producers are removed from the ecosystem? ?

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

The transport tubes for food coming down the plants are called?

Donde se encuentra el adn nuclear en un organismo eucariota?