An operation to repair inguinal hernia is called: A. Hernioectomy
B. Herniotomy
C. Herniorrhaphy
D. Haemorrhoidectomy

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

This is due ! matching pairs of chromosomes from parents are called a. homologous chromosomes b. heterozygous chromosomes c. herterogenes d. homologous bands

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.