Apologia Biology 2nd Edition Module 14

Botany

The study of plants

Perennial Plants

Plants that grow year after year

Annual Plants

Plants that live for only one year

Biennial Plants

Plants that live for two years

Vegetative Organs

The parts of a plant (such as stems, roots, and leaves) that are not involved in reproduction

Reproductive Plant Organs

The parts of a plant (such as flowers, fruits, and seeds) involved in reproduction

Undifferentiated Cells

Cells that have not specialized in any particular function

Xylem

Nonliving vascular tissue that carries water and dissolved minerals from the roots of a plant to its leaves

Phloem

Living vascular tissue that carries sugar and organic substances throughout a plant

Leaf Mosaic

The arrangement of leaves on the stem of a plant

Leaf Margin

The characteristics of the leaf edge

Deciduous Plant

A plant that loses its leaves for winter

Girdling

The process of cutting away a ring of inner and outer bark all the way around a tree trunk

Alternation of generations

A life cycle in which there is both a multicellular diploid form and a multicellular haploid form

Dominant generation

In alternation of generations, the generation that occupies the largest portion of the life cycle

Pollen

A fine dust that contains the sperm of seed-producing plants

cotyledon

A “seed leaf” which develops as a part of the seed. It provides nutrients to the developing seedling and eventually becomes the first leaf of the plant