adhesion
a force that causes a substance to stick to things other than itself.
centrosome
during mitosis this divides into two identical parts and forms at each end of the cell.
chloroplasts
small green particle containing chlorophyll found in leaves.
cohesion
a force that causes molecules of substances, such as water, to stick with each other.
cytoplasm
the liquid that gives the plant cells its shape and fosters the other cell structures.
gamete
a mature sex cell.
genetics
the study of heredity.
guttation
a system plants use to remove excess moisture from plant leaves.
meiosis
the reproductive cell division that results in the formation of gametes.
mitosis
simple cell division for growth.
petals
one type of leaf on flowers; usually considered the most striking part of the flower.
phloem
the tubes in plant stems that conduct food from leaves through the stem to the roots.
photosynthesis
manufacture of food by green plants in which carbon dioxide and water are combined in the presence of light and chlorophyll to form sugar and oxygen.
pistil
the female reproductive part of a flower; contains the female sex cells in the ovary.
respiration
a breathing process in which plants and animals consume oxygen and release carbon dioxide.
sepals
green, leaflike part of the flower that covers and protects the flower bud before it opens.
stamen
the male reproductive part of the flower containing the male sex cells or pollen.
stomata
small pores or holes in the leaf that allow the plant to breathe and give off moisture.
transpiration
loss of water through the leaves or stems of plants.
xylem
conducting tissue in plants that transports water and nutrients from the roots to the stem and leaves.
xylem tubes
tubes in a plant stem that conduct water and minerals from the roots upward.