| A | B |
|---|
| gymnosperm | a seed plant that produces naked seeds that are not encased in fruit |
| cones | reproductive structures that are covered with scales |
| pollen | tiny grains that contain microscopic cells that will later become sperm cells |
| ovule | a structure that contains an egg cell |
| pollination | transfer of pollen from a male reproductive structure to a female reproductive structure |
| fertilization | sperm and egg unite |
| zygote | forms from the fertilized egg |
| embryo | forms from the zygote, grows into the baby plant |
| sperm | forms in the pollen of the plant |
| ovule | contains the egg, develops into the seed |
| naked seed | does not have fruit around the seed, produced by gymnosperms |
| evergreen | gymnosperms that stay green due to not shedding their needles in the winter |
| oldest type of seed plant | gymnosperm |
| ginkgo | gymnosperm that is resistant to pollution |
| conifers | cone bearing gymnosperms |
| seed | develops from the ovule after fertilization |
| male cone | produces pollen, smaller than the female cone |
| female cone | produces egg cells, grows larger than the male cone |
