Answer:
Explanation:
Immune response Evidence points to the fact that this early microbial colonization helps our body to defend itself against disease.
<span>A water molecule is a polar molecule because ot the shape of its molecule. One side of the water molecule is positively charged while the other is negatively charged. The oxygen and the hydrogen atom in water shared electrons by covalent bonding, the oxygen atom has a slight negative charge and attract most of the electron to itself.</span>
Y is the best options because a secondary consumer will eat a primary consumer for energy (the grass hopper).
Answer:
I believe the answer would be A
Answer:
In se*ual reproduction, mitochondria are normally inherited exclusively from the mother; the mitochondria in mammalian sperm are usually destroyed by the egg cell after fertilization. ... The fact that mitochondrial DNA is maternally inherited enables genealogical researchers to trace maternal lineage far back in time.