Answer:
In 1884, Hans Christian Gram described a method of staining bacterial cells while not staining surrounding animal tissues. However, he thought that the staining method he developed was faulty because not all bacteria stained. ... Not all bacteria stained because some have walls that prevents the staining.
Answer:
Echo
Explanation:
Radars and Echoes work the same. Sound waves and sound reflection is used for echolocation for animals such as bats and dolphins. Radars are used to locate aircraft, ships, and other objects by using electromagnetic waves that bounce off of the object and back to the radar.
The answer is B: Taxonomy allows a better understanding of relationships among species.
Don't worry the answer is correct. I did the quick check and got 100%
~ Hope this helps
Answer:
D
Explanation:
Every species has it's own unique coding to there DNA