Biology, 20.11.2020 17:00 friendsalwaysbae
Antibiotic resistance can vary within a population of bacteria. The diagram below represents the changes in a population of bacteria as a result of exposure to antibiotic over time. Explain how this is an example of natural selection, and why we can use this as evidence that evolution occurs.
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Biology, 21.06.2019 22:00
There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?
Answers: 1
Biology, 22.06.2019 16:30
The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?
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Biology, 22.06.2019 16:30
Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.
Answers: 3
Biology, 22.06.2019 19:00
What is the next step in muscle contraction after the actin changes shape
Answers: 2
Antibiotic resistance can vary within a population of bacteria. The diagram below represents the cha...
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