Answer:
Producers, primary consumers, secondary consumers, tertiary consumers
Explanation:
Plant cells have a cell wall and cell membrane... Animal cells have a cell membrane but no cell wall
Answer:
c
Explanation:
porque no me deja saber para que se te complique
Answer: aragonite oyster shell crab meal
Explanation: aragonite is for calcium and oyster shell also has calcium. Crab meal provides small amounts of protein and minerals