True or False: Trees can grow wider because the cambium cells produce more xylem and phloem.
True or False: Monocots usually have a long taproot.
True or False: An annual grows, flowers, and produces seeds in one growing season.
True or False: Herbaceous plants have soft, green stems.
True or False: Fibrous roots grow straight down into the soil.
True or False: Xylem tubes carry sugars and food throughout the plant.
True or False: Gymnosperms include cycads, ginkgoes, gnetophytes, and conifers.
flowers have petals in groups of three
sticky substance that protects a pine tree from diseases and insects when a branch is broken
food storage stem of some plants
the leafy branches of a ferm
the tiny seed leaves of the embryo
leaves have branching veins
tightly coiled developing frond
The first root that emerges from a seed is called a(n) _____________.
When plants are classified by how they transport water, scientists group them as ____________.
Angiosperms are usually classified by their seed structure as either
Which plant is not a vascular plant?
____________ plants can live for three or more years.
Mosses have small, rootlike structures called ______________.
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