Question

this diagram shows the life cycle of a pine tree.
angiosperms have flowers that make seeds. what do conifers use to make seeds?
needles cones

Explanation:

The diagram of the pine tree (a conifer) life cycle shows female and male cones, and a fertilized cone related to seed production. Angiosperms use flowers for seeds, so by comparing, conifers (like pines) use cones. Needles are for photosynthesis, not seed - making.

Answer:

cones