Answer:
the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
Answer:
C
Explanation:
Recycling a metal can so it can be reused.
Answer:
i'm like 100% positive its answer A
Explanation:
The flower is called a producer because it produces its own food. The frog is a consumer because it needs to eat other plants to get its food and does not make its own.