I think the answer is radiation.
hope it helps
<span>Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit. The words "predator" and "prey" are almost always used to mean only animals that eat animals, but the same concept also applies to plants: Bear and berry, rabbit and lettuce, grasshopper and leaf.</span>
Answer:
All plants and animals need nitrogen to make amino acids, proteins and DNA, but the nitrogen in the atmosphere is not in a form that they can use.
Explanation:
When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use.
1. Intentionally taking species over to another place. Think smuggling animals over, you might think a squirrel is cute and bring it home from your trip to Paris back to the US. That squirrel can now be an invasive species. Don't be spiderman and take a banana on the plane!
2. Unintentionally carrying a species over. This can be on boat propellers, water tanks in boats, airplane wheels, etc. Getting animals stuck in transportation can become invasive.
The correct answer is: Rinsing with alcohol during the washing step stripped the bacteria off the glass slide.
The sample may be lost during laboratory preparation. Usually the errors occur during the heating step (due to overheating or insufficient heating).