Quia Home Home FAQ About Log in Subscribe now 30-day free trial
Java Games: Matching, concentration, word search, and flashcards.

chapter 12


AB
Chemical ControlSimilar to nerve control, chemical control coordinates body processes by transmitting messages from one part of the organism to another
Auxinsare one type of plant hormone
tropisms• Unequal distribution of auxins causes unequal growth responses
Phototropism• Growth of a plant towards light due to unequal distribution of auxins
GeotropismGrowth of a plant due to gravity
Endocrine GlandsEndocrine glands synthesize and secrete hormones which control the activities of animals
MetamorphosisThe development in an animal larva that transforms into a sexually mature adult
Characteristics of Plant Hormones• Plant hormone production is most abundant in the tips of roots and stems, buds and seeds