The nucleus is the control center of the cell, it also contains the DNA of the cell.
Not sure , what your question is
<span>If a hypothesis is false the hypothesis must be changed or reconsidered in light of new results. </span>
The right answer is Lichen.
In ecology, a pioneer species is one of the first forms of life that colonize or recolonize a given ecological area.
Lichens are composite organisms resulting from a symbiosis between at least one heterotrophic fungus called mycobionte, representing 90% of all, and microscopic cells with chlorophyll (green algae or cyanobacteria autotrophic for carbon) called "photobionts" .