Predation D Competition
PARTC
A +/- relationship between two species would be considered which type of symbiosis:
A Mutualism
B
Commensalism
Parasitism
D Predation

burning fossil fouls really decrease the carbon in the atmosphere so b

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.