Biology, 01.04.2020 21:42 Kikilcaro4423
On a person’s hand, there can be 300,000-500,000 genetically distinct bacteria at one time. Wendy regularly puts hand sanitizer on because she is nervous about getting sick. The hand sanitizer kills 99% of these bacteria, but about 3,000-5,000 bacteria are left that are genetically resistant to the hand sanitizer.
Answers: 1
Biology, 22.06.2019 10:00, milesjreece3939
The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .
Answers: 1
Biology, 22.06.2019 13:00, lays20001
How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?
Answers: 3
On a person’s hand, there can be 300,000-500,000 genetically distinct bacteria at one time. Wendy re...
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