which of the following organisms has the simplest cellular structure? a. bacterium b. earthworm c. mushroom d. sunflower

The correct answer is letter a) bacterium. A bacterium is an organism that has the simplest cellular structure. The plural form of the word bacterium is bacteria just like the words, curriculum-curricula, fungus-fungi, cactus-cacti, etc.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the