Plant growth can be artificially stimulated by the addition of
gibberellin
kinin
abscisic acid
ethylene
The autonomic nervous system consists of neurons that control the
voluntary muscles
heart beat
tongue
hands
Plants of temperate origin can be grown in tropical areas in the vegetation zones of the
rain forest
Guinea savanna
Sudan savanna
montane forest
The water cycle is maintained mainly by
evaporation of water in the environment
evaporation and condensation of water in the environment
condensation of water in the environment
transpiration and respiration in plants
Organisms living in an estuarine habitat are adapted to
withstand wide fluctuations in temperature
survive only in water with low salinity
withstand wide fluctuations in salinity
feed only on phytoplankton and dead organic matter
