A group of biology students tests the growth of bacteria under different conditions. The students apply the same amount of bacteria to identical Petri dishes enriched with nutrients, then place each plate at a different temperature. The bacteria are allowed to grow for three days, after which the number of bacterial colonies on each plate is counted. What is the dependent variable in this experiment?
A.
the number of bacterial colonies after three days
B.
the nutrient type present in the Petri dishes
C.
the temperature at which the colonies grew
D.
the time of day that the experiment is performed
Answers: 2
Biology, 22.06.2019 12:30, justijust500
Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2
Answers: 3
Biology, 22.06.2019 13:30, silveryflight
Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?
Answers: 1
Biology, 22.06.2019 15:30, neidaq12345
Bio molecules are essential to all living things. which biomolecule is “d” from the table
Answers: 3
Biology, 22.06.2019 16:30, natjojo0512
Why do mountaineers become breathless as they reach high altitudes
Answers: 2
A group of biology students tests the growth of bacteria under different conditions. The students ap...
Mathematics, 20.02.2021 04:50
Mathematics, 20.02.2021 04:50
History, 20.02.2021 04:50
Chemistry, 20.02.2021 04:50
Mathematics, 20.02.2021 04:50
Mathematics, 20.02.2021 04:50