Your answers are both evocative and active forces. Hope this helps.
Answer:
Each is used to break down substances.
Explanation:
Enzymes merely speed up a chemical reaction, not necessarily break down substances.
As the pollen tube penetrates the ovule, it releases two sperm cells. ... As in gymnosperms, the ovule becomes a seed, encasing the embryo and endosperm in a seed coat. But unlike gymnosperms, in angiosperms the ovary containing the ovules develops into a fruit after fertilization