Agroup of college students working on a project on bio-gas have found some bacteria in the bio-gas plant. these bacteria can utilize methane as their source of energy and do not need oxygen for their survival. what kind of bacteria could they be?
a. archaebacteria
b. eubacteria
c. probacteria

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

The cluster of developing cells from conception until birth is called an