Organisms that grow in the absence of free oxygen are known as

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.