Oil-immersion objectives are limited to use with coverslip-prepared samples, since they don't have enough working distance to focus through the 1 mm or thicker plastic wall of a typical cell culture vessel.
Answer:
Responding to stimuli / the environment
Explanation:
The ancient Egyptians used the stars to tell when a flood was going to happen. Every summer a flood would happen but this also happened when the bright star Sirius rose before the sun.
Hope that helped ^^
Answer:
bar
Explanation:
generally the bar graph is easier to use because its clear when reading it and its also very easy to set up
D because the closer they are geneticaly, the more related they are. A cactus and a squirl have little to no similer genetic makeup so A human and a gibbon that already have a conspericy around them as to evolution would have closer makup.