Pine Tree vs. Cherry Tree

How is a cherry tree flower different from a pine cone as a reproductive structure? Include where sperm is produced, where eggs mature, and what happens to the seeds.

Moss Reproduction

Mosses commonly grow on top of rocks in streams. How do they meet their need for energy and reproduction in that environment? Explain their nonvascular structure.

Seeds and Pollen

Although many seeds are high in nutrition, they are often high in calories. Why?

Mosses and Ferns

How do mosses and ferns differ from more familiar plants, such as trees or flowers?