Biology unit test 3 vocab Flashcards
Cotelydon
“seed leaf” that developed as a part of the seed; it provides nutrients to the developing seedling & eventually becomes the first leaf of the plant
Seed
Ovule w/ a protective coating, encasing a mature plant embryo & a nutrient source
Physiology
study of life processes in an organism
Nastic movement
plant’s response to a stimulus such that the direction of the response is pre-programmed and not depended on the direction of the stimulus
Hormone
Chemicals that circulate throughout multicellular organisms, regulating cellular processes by interacting w/ specifically targeted cells
Tropism
the other kinds of movement a plant can have
Translocation
process by which organic substances move through the phloem of the plant
Transpiration
evaporation of water from the leaves of a plant