I would say photosynthetic bacteria are the most important, because if they disappeared most of the oxygen in the atmosphere wouldnt be here and complex life like humans wouldnt exist
it would be B. the intertidal zone only cover by high tides
The animal cell will swell and then eventually burst when placed in a Hypotonic Solution.
Answer: 26.75 meters.
2πr = 84
2 * 3.14 * radius = 84
radius = 84/6.28
r= 13.375
So the diameter will be 13.375 + 13.375 which is 26.75 meters.
The correct answer is that the yolk provides nutrients for the embryo. Hope this helps.