Biology, 27.06.2019 04:30 ssjdudjdsloe8106
What percent of animal extinction is known to be due to man made factors since 1960? a) 98% b) 100% c) 39% d) 75%
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Biology, 21.06.2019 19:30
Chicken pox and hepatitis are bacterial diseases. true or false?
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Biology, 22.06.2019 07:00
Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass
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Biology, 22.06.2019 09:30
Juan and carol were studying invertebrates in biology. they knew that segmented or earth worms preferred a dark, moist habitat. during this lab, they would be investigating the responses of organisms called planaria or dugesia tigrina. these were simple flatworms that still had a one-way digestive system and a very simple nervous system. juan and carol placed the planaria in a petri dish containing cool, distilled water that was partially covered with black paper. they shined a light on the dish. next, they removed the paper and placed a small amount of chicken liver at one end of the dish. they added a few large salt crystals to the water. finally, they added drops of hot water to the cool water in the petri dish. their results can be seen in the data table. according to their experiment, all but one conclusion is valid.
Answers: 1
Biology, 22.06.2019 13:50
The law of states that traits are passed from parents to offspring independently of one another.. true or false
Answers: 1
What percent of animal extinction is known to be due to man made factors since 1960? a) 98% b) 100%...
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