What is a plant
Classifying Plants
Plant Structures
Plant Reproduction
Plant Responses and Growth
100
A grapevine coiling around a fence post is an example of...
What is a positive thigmotropism
100
What part of a woody stem forms rings that indicate the tree's age?
What is xylem
100
In what plant cell structure is water stored?
Vacuole
100

What produces egg and sperm cells during the life cycle of a plant

What is gametophyte
100
What determines the time of flowering in many plants?
What is amount of darkness a plant receives.
200
Why must ferns live in moist environments?
What is, so that egg and sperm cells can join.
200
The stages of a plant's life cycle are...
What is sporophyte and gametophyte
200
The Leaf's Cuticle does this...
What is reduces evaporation.
200
Germination will not happen unless a seed...
What is absorbs water.
200
A period when a plant's growth or activity stops is called...
What is dormancy
300
The energy that powers photosynthesis comes from...
What is the sun
300
What part of woody stem produces new vascular tissue?
What is Cambium
300
What happens in the phloem?
What is food moves down from leaves.
300
The spores that plants produce develop into the...
what is gametophyte stage
300
Angiosperms that have only one seed leaf are called ___________________. 
What is monocots
400
Root hairs help a plant....
What is... absorb water and nutrients.
400
Plant cell walls contain a rigid material called _____________
What is cellulose
400
Gases pass in and out of a leaf through the...
What is stomata
400
Flowering plants that complete a life cycle within one growing season are called...
What is annuals
400
A plant's growth response toward or away from a stimulus is called a(n)...
what is tropism
500
A plant loses water through the process of ____________ in which water evaporates through the plant's leaves. 
What is transpiration
500
What type of plant is moss....
What is nonvascular
500
Part of a plant that transports water and nutrients from the root to the plant's stem and leaves...
What is xylem
500
In plants, sexual reproduction occurs when a sperm cell and an egg cell unite to form a ...
What is a zygote
500
___________________ is a plant's response to seasonal changes in the length of night and day.
what is photoperiodism
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