What cuts a fruit from the stem?
Abscission layer
A young woody stem stores water in soft, thin-walled cells at its center.
Pith
Length of day/night
Seed production
Vegetative reproduction
what is the tough outer covering of a herbaceous monocot stem?
Rind
Anther
What part of a flower covers and protects the rest of the flower during development?
Sepal
What are the small openings in a stem's bark that allow air to enter the stem?
Lenticels
What type of reproduction is when the sperm and egg cells unite?
Sexual reproduction
What is the first step of fertilization?
Formation of pollen tube
What are the structures of a plant embryo that contain stored food to supply energy needed for sprouting?
Cotelydons
What are the tiny, tubelike projections that extend from the epidermal cells of a root to absorb water and minerals?
Root hairs
Heartwood
What surrounds and nourishes the developing plant embryo?
Endosperm
Internodes
What are the alternating patterns formed in a woody stem by distinct layers of springwood and summerwood?
Growth rings
What are the special roots that grow from unusual regions of a plant?
Adventitious roots
What is it when a plant responds to light?
Phototropism
What are reproductive cells, such as egg cells and sperm cells?
Gametes
What type of dispersal is exemplified when the wind disperses the seeds?
Agent dispersal
Where is the food within the root stored?
Cortex
Radicle
Pome
Wood
What is it when the entire fruit is fleshy and juicy throughout?
Berry
What are roots that penetrate the soil deeply with relatively little branching?
Taproots
What are produced by plants of the grass family?
Grains
What consists of a pod enclosing several seeds?
Legume
What is the stalk that attached the leaf to the stem?
Petiole