B. They Assist With Movement
The factors that affect an ecosystem such as rainfall, sunlight etc are all factors in this experiment.
<h3>What are factors?</h3>
The term factors in an experiment setting refers to the variables that are being manipulated in the experiment. Usually, factors are altered to determine its effect on the results.
The factors that affect an ecosystem such as rainfall, sunlight etc are all factors in this experiment.
Learn more about experiment factors:brainly.com/question/16171570
#SPJ1
<span>The sex cells, more scientifically known as the ova and spermatozoa, are composed of 23 of the usually 46 human chromosomes. They have half the usual number because they of course combine to form a new, genetically distinct, cell, termed the zygote. The correct term for this type of cell, one with half of the complete genome, is GAMETE. Therefore the answer is option (a).</span>