Download VOCABULARY FOR UNIT B CHAPTER 2 MOSS – a very short

VOCABULARY FOR UNIT B CHAPTER 2
1. MOSS – a very short, green plant that doesn’t have true roots,
stems, or leaves. It is non-vascular so it doesn’t have xylem or
phloem.
2. ASEXUAL REPRODUCTION – plant reproduction stage, which
doesn’t involve the joining of a sperm and egg cell.
3. SPORE – the structure that contains cells that can grow into new
plants without joining with other cells.
4. FERN – vascular plant that reproduces without seed ahd have
large, feathery fronds.
5. GYMNOSPERM – one kind of plant that reproduces with seed:
the word means “naked seed” in Greek. The seeds are not
surrounded by a container. Conifers are one kind of gymnosperm.
6. CONIFER – “cone-bearer” ; a type of gymnosperm that bears cones.
The cones are the reproductive structures that produce seed.
7. POLLEN – powder-like male spores that develop into two male sex
cells. It is produced by the male cone (in gymnosperm).
8. ANGIOSPERM – a vascular plant that produces flowers: comes
from the Greek word meaning “seed in a vessel” ; seeds are
contained in a fruit. They produce fruit from their flowers.
9. STAMEN – male reproductive organ in the flower. It is the plant
part made up of the anther and filament.
10. ANTHER – the part of the stamen that produces pollen.
11. PISTIL – female reproductive organ.
12. STIGMA – tip of the pistil that is sticky so pollen grains will stick
to it.
13. PETAL – colorful part of the flower that helps attract pollinators.
14. STYLE – part below the stigma that connects the stigma to the
ovary.
15. OVARY – part of the flower that contains the ovules in which the
flower’s egg cells develop.
16. POLLINATION – this is what happens when pollen from the
anther lands on the stigma. The movement of pollen from the male
reproductive organs (anther) to the female reproductive organs (stigma).
16. DICOTYLEDON – a seed with 2 seed leaves (lima bean, oak trees,
roses).
17. MONOCOTYLEDON – a seed with only one seed leaf (corn,
grasses, palm trees)
18. FERTILIZATION – the process of a sperm cell and an egg cell
joining.
19. EMBRYO – the tiny plant that forms in the seed.
20. RUNNER – reproduce by long, slender stems that grow close to
the ground and put out roots and shoots (strawberries, spider
plants)
21. GRAFTING – a type of asexual reproduction where the parts of 2
plants are joined to make a single plant.