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Glossary
19
Unit 3 Plants
angiosperm:
a plant that reproduces with seeds.
autotroph:
a living thing, like a plant that makes its
own food.
fern:
a gymnosperm with roots and fronds.
fertilisation:
a process in which pollen combines
with an ovule.
frond:
a long, thin, part of a fern, similar to a leaf.
germination:
a process that begins when a seed
begins to grow into a new plant.
gymnosperm:
a plant that reproduces with spores.
moss:
a gymnosperm with rhizoids and tiny leaves.
photosynthesis:
in this process, a plant uses
sunlight, carbon dioxide and raw sap to produce
oxygen and elaborated sap.
rhizoid:
the part of a moss that anchors the plant
to the ground.
root:
the part of a plant that anchors it to the
ground, and absorbs nutrients and water.
sap:
a liquid produced by plants. It can be raw
or elaborated.
seed:
the part of an angiosperm that grows into
a new plant.
spore:
the part of a gymnosperm that grows into
a new plant.
stem:
the part of a plant that supports it and carries
nutrients.
stomata:
very small holes in the surface of a leaf.
Water vapor and gases can pass through it.