No, they don't have organs and organ system.
Cells form tissues, Tissues form organs, Organs forms organ system; Unicellular have their own one cell only. So, it can't possible that they have organs or organ system.
Answer:
<em>1</em><em>. </em><em> </em><em>Smallest number: The female of a subspecies of the ant</em><em>.</em>
<em>2</em><em>. </em><em>Myrmecia pilosula, has one pair of chromosomes per cell. </em>
Answer: Option D.
Glue adjacent cells together.
Explanation:
The middle lamella of plant is the outermost layer of the matured plants cell wall and it is made up of calcium and magnesium pectates. It is the layer that glue to adjacent cells wall together. The primary walls that are glued together is the cellulose layer that is shedd by a growing and dividing cells. The pectins In plants form a layer between the adjacent cells.
The answer would be A - The animals gain nutrient-rich foods, and the angiosperms’ egg cells are fertilized.
{explanation: for it to be a mutualistic relationship both organisms would “work together”, each benefiting from the relationship; therefore, it’d be A.}
