Answer:
Option B, Foundation species
Some examples of foundation species are - Corals, Earthworms, Beavers etc. 
        
             
        
        
        
Answer:
Definition. The first metaphase of meisosis I encompasses the alignment of paired chromosomes along the center (metaphase plate) of a cell, ensuring that two complete copies of chromosomes are present in the resulting two daughter cells of meiosis I. Metaphase I follows prophase I and precedes anaphase I.
Explanation:
 
        
             
        
        
        
Chromatography and filtration if that's the answer you're looking for if not then don't heart this answer
 
        
             
        
        
        
The term that describes the chromosomal abnormality of having three copies of a single chromosome is triploidy.