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Emile Kessler ∙
The correct answer is Oxygen, otherwise air. (APEX)
The results of a previous experiment are presented as an introduction to a new experiment.
They come from Photosystem ll. Photosystem ll gets them by ripping the electrons off of water by a process called photolysis.
Electrons gain energy first in Photosystem ll, then later in photosystem l, through the absorption of energy from light.
The fungi are decomposers.
for Apex: the variable is an experiment that is manipulated by the scientist.
Worms consuming the blood of an animal
cells
ATP is produced for use by cells.
textbooks
insects get food from flowers and help the flowers reproduce