homeostasis
balance or equilibrium maintained by the body
Antibodies
Proteins that react to a specific antigen or that inactivate or destroy toxins
Stamen
The male reproductive structure of a flower that produces pollen and consists of an anther at the tip of a filament
Pistil
The female reproductive part of a flower that produces seeds and consists of an ovary, style, and stigma
Xylem
Tissue in plants that transport water and mineral nutrients
phloem
Tissue that conducts food (sugars, amino acids, and mineral nutrients) in vascular plants
Ovary
In flowering plants, the lower part of a pistil that produces eggs in ovules
Thigmotropism
Process whereby plants respond to touch or physical contact with an object
geotropism
The process whereby a plant responds to gravity
phototropism
The process whereby plants respond to light stimulus by growing in the direction of available light
Vascular tissue
Transports materials such as water, nutrients, and sugars throughout a plant
flower
Reproductive organ of a plant. Contains both male and female reproductive structures
Pollination
Transfer of pollen from the stamen to the pistil. It may happen from within the same pant or between two different plants
Seed
Forms after fertilization and contains a tiny, developing plant
Cone
Reproductive structure that produces seeds in some plants
auxins
Hormones in plants responsible for tropisms
-ole
small
-oma
swelling, tumor
oncho-
hook
oo-
egg
-opia
sight