Mutations<span> are changes in the DNA. A single </span>mutation<span> can have a large effect, but in many cases, change is based on the accumulation of many </span>mutations<span>. Gene flow is any movement of genes from one population to another and is an important source of the genetic </span>variation<span>.</span>
Answer:
<h2>A.) The dispersal of seed by force ( explosive mechanism ) </h2>
The food sources available for a particular species in an ecosystem. Also space where they can live and reproduce, but food is the main factor.
Answer: Phagocytosis
Explanation:
Phagocytosis is the ingestion of cells or particles as a defence mechanism when white blood cells (macrophages) engulf foreign matter such as bacteria and viruses or as part of a digestion process in free-living cells such as amoeba.
B) increases the genetic variability of the offspring because there are more genes presemt
