D. Phenotype because a phenotype is observable traits
Answer:
Proteins would be made in ribosomes.
It's an sight observation you're using your eyes to see it it's one of your 5th sences
A panther because it eats the primary consumer which would be the deer.
an oak tree is the producer (bottom of the food chain)
the deer is the primary consumer because it eats grass which would also be a producer
and the hawk would be the top predator because it eats a snake which would eat a mouse which would feed on a producer :)