The flow of energy in an ecosystem is best
described as energy moving in
(1) one direction from the sun to the producers
and then to the consumers
(2) one direction from a consumer to a
producer and then to the sun as heat and
light
(3) two directions between the producers that
are present
(4) two directions, back and forth, between the
producers and the consumers

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.