Science Vocabulary
Unit A  Chapter 3
(20 words)

angiosperm – a seed plant that produces flowers

asexual reproduction – the production of a new organism from only one cell

cotyledon – a tiny leaflike structure, also called a seedleaf, inside the seed of an angiosperm

cross-pollination – the transfer of pollen from one flower to another

dicot – an angiosperm with two cotyledons in each seed

embryo - the immature plant inside a seed

fertilization - the joining of a sperm cell with an egg cell to make one new cell, a fertilized egg

frond – the leaf of a fern

fruit – the ripened ovary of a flowering seed plant

gymnosperm – a seed plant that does not produce flowers

monocot - an angiosperm with one cotyledon in each seed

ovary – a structure containing egg cells; the base of a pistil in a flower

pollination -  the transfer of a pollen grain to the egg-producing part of a plant

rhizoid - one of the hairlike fibers that anchor a moss to the soil and take in water from the soil

rhizome – the underground stem of a fern

seed – an undeveloped plant with stored food sealed in a protective covering

seed coat – the outer covering of a seed

self-pollination – the transfer of pollen from an anther to a stigma in the same plant

sexual reproduction – the production of a new organism from a female sex cell and a male sex cell

spore – cells in seedless plants that grow into new organisms