What is the sweet-tasting, watery liquid produced by the flowers of certain plants?
Nectar
the alternate patterns formed in a woody stem by distinct layers of springwood and summerwood are called:
growth rings
what is the primary purpose of flowers?
seed production
The section of a twig between nodes
Internode
an apple farmer expanding his orchard cuts a dormant branch with several buds on it from a mature apple tree, cutting the branch at an angle. he then cuts off the top of an immature apple tree with good roots, leaving the trunk cut at an angle. finally, he attaches the cut branch to the immature trunk and secures it tightly. what technique is he using?
grafting
The sperm and egg are referred to as ______ , or reproductive cells.
Gametes
special roots that grow from unusual regions of a plant are called:
adventitious
a typical grass flower consists of stamens, pistils, and tiny sepals. it lacks petals but is protected by special bracts. in which of the following categories is such a flower?
incomplete flower
The outer section of a woody stem that protects the stem and contains the phloem
Bark
what is the process of a new plat growing from a root, stem, or leaf of an existing plant?
vegetative reproduction
a______ fruit forms from a single flower that has several pistils
Aggregate
what part of a flower covers and protects the rest of the flower during development?
Sepal
reproductive cells, such as egg cells and sperm cells, are called:
gametes
The older, inner wood of a stem that can no longer conduct sap but serves only as support for the stem
Heartwood
what statement BEST explains why stolons are considered special stems instead of roots?
stolons have nodes that can produce new roots
The fruits of the grass family are called
Grain
what part of a flower produces pollen?
Anther
what step occurs FIRST in the process of germination?
the seed begins to absorb water
The alternating patterns in a woody stem consisting of distinct layers of spring wood and summer wood.
Growth rings
the spice ginger comes from an underground stem of the ginger plant: new plants form as these thick stems grow horizontally. what type of special stem does the ginger plant have?
tuber
type of fruit consisting of an outer fleshy layer and an inner woody layer
Drupes
consists of a seed enclosed in a hard, relatively thick shell; ex: acorns
Nut
when there is a fully developed fruit on a plant, what is ALWAYS true?
an ovary has ripened
The bundles of xylem and phloem tubes in a herbaceous stem
Vascular bundles
what is the tough outer covering of a herbaceous monocot stem?
rind