Answer:
Velocity is a vector, it has magnitude and direction. They have speed limits rather than velocity because in whatever direction you go, you should have limited speed.
Characteristics of Lancelets:
Small
Elongated
Marine invertebrate
Lacks a jaw
No sense organs
Has a notochord
Example: Lamprey
Characteristics of Tunicates:
Marine invertebrate
Has an outer coat that is rubbery or hard
Has two siphons
Examples: sea squirts, salps
left is metal (except for hydrogen), there is a line that separates metal and non-metal and in between those, that are hugging the line are metalloids
You can essentially mix and match, not only that but there are so many, too, which accounts for the variety.
It is true that inheritance of mutant forms of certain genes
might lead to a predisposition to develop cancer. This notwithstanding, the DS
Cell Adhesion Molecule gene (DScam gene) has not in any way been linked to
hereditary forms of cancer.
