The answers are principles C and D. After the big bang, particles in gas clouds were closer to each other and clumped up faster. As they clumped together, they gained more gravitational force, eventually creating asteroids, stars, and planets.
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
I hope this is the answer that you were looking for.
experiment to determine how the type of food source available affects the rate of cellular.
