During photosynthesis algae provides coral with B.Food
When algae grows on coral it makes more food for the fish and the coral absorbs some of the food.
I believe the answer is C.
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