Realizează trei lanțuri trofice utilizând speciile care trăiesc în grădina de legume. Stabilește locul omului în lanțurile trofice pe care le-ai creat.

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

Which image shows labeled organelles that are present only in plant cells?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.