Biology, 07.11.2019 04:31 goldenwolf67
Termites eat wood, but many do not produce enzymes themselves that will digest the cellulose in the wood. instead, some termites house a complex community of protozoa, bacteria, and archaea that could digest the cellulose. imagine an experiment that fed termites either wood only or wood and antibiotics, and then measured the amount of energy extracted from the wood. if both groups gained equal amounts of energy, which of the conclusions is the most logical?
a) we would conclude that the protozoa contributed to digestion of cellulose and lignin.
b) we would conclude that the archaea contributed to digestion of cellulose and lignin.
c) we would conclude that the bacteria did not contribute to digestion of cellulose and lignin. d) we would conclude that none of the three groups were needed to digest cellulose and lignin.
Answers: 1
Biology, 21.06.2019 18:00
The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community
Answers: 2
Biology, 22.06.2019 01:40
Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat
Answers: 1
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