The endosymbiotic theory hypothesizes that mitochondria and chloroplasts were formed when <u>prokaryotic </u>cells were engulfed by larger cells that were precursors to <u>eukaryotic </u>cells.
prokaryotic ; eukaryotic
<span>Without variation, there is no difference between members of a population to be "selected for" in the first place. This is a basic tenet of natural selection. A new trait must arise in order to advance or decrease the fitness of the individual, and hence, its ability to pass on its genes.</span>
Answer:
Meiosis, Gametes, chromosomes
Explanation:
Meiosis is the type of cell division which produces gametes, which have half the number of chromosomes.
I think this is what they want!
Hope this helps!
Answer:
Neurons aren't able to communicate with each other.
