How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
long stalk at top of a flowers stamen where meiosis produces spores that develop into pollen
all plant tissues outside the vascular cambium: includes phloem, cork cambium, and cork
main part of leaf
undeveloped shoot of a plant
female reproductive organ of a flower
structure in a seed that functions in the storage and transfer of nutrients to the embryo
a process in which pollen of one plant unites with the egg of a different plant
waxy coating on the leaves and other above ground parts of plants that helps the plant retain water.
nutrient-storing tissue that nourishes the developing embryo of a plant
type of thin root that makes up a highly branched root system
specialized plant shoot that functions in reproduction: unique to angiosperm
ripened ovary of a flower
process by which a plant embryo begins to grow
1 pair of cells that open and close the stoma of a plant by changing shape, allowing gas exchange with the surrounding air
plant that bears seeds that aren't enclosed in an ovary
member of a group of plants that house their own nitrogen-fixating bacteria
a flowering plant that produces one seed leaf
flowering plant that produces two seed leaves
process of converting nitrogen gas into ammonia
female reproductive structures that produce eggs
a small body that contains the female germ cell of a plant
A modified leaf of a flowering plant.They are often the colorful parts of a flower that advertise it to insects and other pollinators.
the fine spores that contain male gametes and that are borne by an anther in a flowering plant
thin stalk by which a leaf blade is attached to a stem
transfer of pollen from the male reproductive structure to the female reproductive structure
growth in plant length
A cone of cells at the tip of a plant root that protects the apical meristem.
extensions of epidermal cells that increase a plants surface area for water absorbtion
legumes' lumps on their roots that contain nitrogen fixing bacteria
pattern of plant growth in which stems increase in width
the vascular tissue through which food moves in some plants
pollination of a flower by its own pollen
a leaflike structure that encloses the bud of a flower
the male reproductive organ of a flower
a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
the small openings on the undersides of most leaves through which oxygen and carbon dioxide can move
primary root found in some plants that grows longer and thicker than other roots
the vascular tissue through which water and nutrients move in some plants