stuff
when plants are classified by how they transport water, scientists group them as
vascular and nonvascular
last summer john did not pull all the carrots in his garden. This year he noticed that those carrots grew flowers and produced seeds. This happened because carrots are a(n) blank plant.
biennial
has fibrous roots
m
or
d
monocot
herbaceous plants have hard, woody stems
true or false
false
a leafy branch of a fern
frond
which plant is not a vascular plant.
liverwort
club moss
horsetail
ginkgo
liverwort
Maria has picked blueberries from the bush on her grandpas farm for the last five years. A blueberry bush is an example of a(n) blank plant
centennial
1 cotyledon
m
or
d
m
fibrous roots grow straight down into the soil
true or false
false
the tiny seed leaves of the embryo
cotyledon
mosses and liverworts have small, rootlike structures called
rhizoids
Mrs. Abbott enjoys having different flowers in her yard each year. She should choose blank flowers, plants that live for only one growing season.
annual
has vascular tissues arranged in a circle
m
or
d
d
gymnosperms include cycades, ginkgos, gnetophytes, and conifers.
true or false
true
a sticky substance that protects a pine tree from diseases and insects when a branch is broken
resin
blank are vascular plants with tall hollow jointed stems
horsetails
the first root that emerges from a seed is called a(n)
primary root
has flowers with petals in groups of three or six
m
or
d
m
trees can grow wider because the cambium cells produce more xylem and phloem
true or false
true
tubes that carry sugars and food throughout the plant
phloem
ferns and horsetails grow from underground stems called
rhizomes
has 2 cotyledons
monocot
or
dicot
dicot
has leaves with branching veins
m
or
d
d
you can tell how old a tree is and how much water it recieved each year by looking at its rings
true or false
true
tubes that carry water and minerals from the roots to the top of the plant
xylem