A sample of food is dehydrated, which kills all of the bacteria. However, in a few days, bacteria-free water is added to the food in a bacteria-free environment. Nevertheless, microscopic investigations indicate that bacteria are in the food. How did the bacteria get there?
Answers: 2
Biology, 21.06.2019 17:00, gshreya2005
Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d. the size of the geographic area inhabited by a population can cause speciation.
Answers: 2
Biology, 22.06.2019 00:40, dylancasebere
Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
Answers: 2
Biology, 22.06.2019 02:20, bennettaly2452
The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions
Answers: 1
A sample of food is dehydrated, which kills all of the bacteria. However, in a few days, bacteria-fr...
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