Answers: 1
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 14:00
Vinegar has a ph of 3, and household ammonia has a ph of 11. is the concentration of h+ greatest in the vinegar or ammonia?
Answers: 1
Biology, 22.06.2019 15:50
What process occurs during cellular development as the cell changes into a specific type of cell with specialized functions? a. binary fission b. fusion c. differentiation d. meiosis
Answers: 1
Because of what scientists have learned about monoculture, they are: a not pushing for a change in...
History, 05.10.2019 17:10
History, 05.10.2019 17:10
History, 05.10.2019 17:10
English, 05.10.2019 17:10
English, 05.10.2019 17:10
Mathematics, 05.10.2019 17:10
Computers and Technology, 05.10.2019 17:10
Business, 05.10.2019 17:10
Mathematics, 05.10.2019 17:10
Chemistry, 05.10.2019 17:10
English, 05.10.2019 17:20
Biology, 05.10.2019 17:20
Mathematics, 05.10.2019 17:20
Mathematics, 05.10.2019 17:20
Biology, 05.10.2019 17:20