| A | B |
|---|
| • Auxins | are one type of plant hormone |
| tropisms | • Unequal distribution of auxins causes unequal growth responses called |
| Phototropism | • Growth of a plant towards light due to unequal distribution of auxins |
| Geotropism | • Growth of a plant due to gravity |
| Endocrine Glands | • Endocrine glands synthesize and secrete hormones which control the activities of animals |
| • Hormones | are chemicals secreted in one area of the body which affect responses in other areas |
| Metamorphosis | • The development in an animal larva that transforms into a sexually mature adult |
| chemical control | coordinates body processes by transmitting messages from one part of the organism to another |
