Vocabulary
The study of life processes in an organism
What is physiology?
This transports organic substances
What is phloem?
This flower structure holds the embryo sac
What is an ovule?
Name at least there ways in which pollen is transferred from the stamens of one flower to the carpels of another
What are wind, bees, beetles, birds, moths, or butterflies?
Spaces in the soil that determine how much water and air the soil can hold
What are pore spaces?
A growth response to gravity
What is gravitropism?
This transports mostly water and minerals (inorganic substances)
What are xylem?
This flower structure forms and releases pollen grains
What is an anther?
Cotyledons perform this function before germination
What is feed the embryo?
A mature ovary that contains a seed or seeds
What is a fruit?
A growth response to light
What is phototropism?
If a plant loses control of its stomata and they remain closed, substances will still flow through this
What is phloem?
This flower structure protects the sexual organs as they form
What is a sepal?
A pollen grain has this many cells prior to fertilization
What is two or three? (1 or 2 sperm cells and a tube nucleus)
Flowers with either stamens or carpels, but not both
What are imperfect flowers?
What is thigmotropism?
The process by which the organic substances move through the phloem of a plant
What is translocation?
This kind of reproduction leads to offspring with genetic codes that are similar to, but not identical to, the parent's genetic codes
What is sexual reproduction?
An embryo sac has this many cells prior to fertilization
What is seven? (6 haploid eggs and a double-nucleus cell that becomes the endosperm)
An ovule with a protective coating, encasing a mature plant embryo and a nutrient source
What is a seed?
A plant's response to a stimulus that is preprogrammed and not dependent on the direction of the stimulus
What is nastic movement?
This can be temporarily neglected in a plant if water is in short supply
What is turgor pressure?
This kind of reproduction leads to offspring with genetic codes that are identical to the parent
What is vegetative reproduction?
When an embryo sac is fertilized, this cell is diploid
What is the zygote?