The organisms that are most likely present in the largest numbers are А
Microscopic algae
B
Herring gull
С
Crab
D
Common seals

Microscopic algae should be the answer

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !