Answer:
1) Complement System, Lymphatic System, and Circulatory System
2)Tonsils can stop germs entering the body through the mouth or the nose. Spleens filter your blood, destroying old and damage red blood cells.
3)Your skin is a waterproof barrier that secretes oil with bacteria-killing properties.
Explanation:
Greater ability to recover after natural disasters and greater variety of food sources.
Explanation:
a
they form in the bone marrow
a red blood cell lives for approximately 120 days.
The right answer is dihybrid crosses.
<span>A dihybrid crossing is a reproduction between two organisms that differ in two traits. Individuals of this type of cross are homozygous for a specific trait.
The traits are characteristics that are determined by DNA segments called genes.
Diploid organisms inherit two alleles for each gene.
An allele is an alternative version of an inherited gene (one of each parent) during sexual reproduction.</span>
