To help prevent people from getting the Ebola virus, countries around the world paid to help doctors develop a new vaccine. Now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely. What is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the Ebola vaccine?Which characteristic should describe all evidence collected by a scientist?

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher