Parasitism; the tick benefits from the human, the host.
A subspecies is a taxonomy category that ranks below species, usually permanent geographical isolated race. <span />
Answer:
e) Invertebrates lack a nervous system
Explanation:
One of the main characteristics of invertebrates is that they don't have a backbone. Backbones belong to the skeletal system. A totally different story is the nervous system which runs inside the backbone. Although the more complex nervous systems appear in vertebrates the simply fact of having eyes like crabs or insects implies having a nervous system that can control them.
The right answer is GL
Its offspring will have at least one dominant genotype of the body color (which is grey) and at least one dominant genotype of the wing length (which is the lon one), so it could be:
Gg Ll
GG Ll
GG LL
Gl LL
