In which part of the food chain is each of the algae?

(algae) in the oceans. These organisms are called the producers, and they get their energy directly from sunlight and inorganic nutrients.

Explanation:

so producers

have a good day you silly goose

its the cell wall and the they are unique to plant

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15