Page 32 - Science class 4
P. 32

Quenching Scientific Thirst
                           Quenching Scientific Thirst
                           Quenching Scientific ThirstQuenching Scientific Thirst
                           Quenching Scientific Thirst
                           Quenching Scientific Thirst
                           Quenching Scientific Thirst
                           Quenching Scientific Thirst
                           Quenching Scientific Thirst
                           Quenching Scientific ThirstQuenching Scientific Thirst
                           Quenching Scientific Thirst
                             Insectivorous plants are green and can carry out photosynthesis.
                    TERRESTRIAL PLANTSTERRESTRIAL PLANTSTERRESTRIAL PLANTS
                    Plants that grow on land are called terrestrial plants. They are of various kinds
                    depending upon the kind of soil and climate they grow in.
                    DIFFERENT TYPES OF TERRESTRIAL PLANTS

                    Coniferous Trees

                    ±  We see them in cold and hilly places.
                    ±  They have needle-like leaves.

                    ±  Instead of flowers these trees bear cone.

                    ±  The  pine,  fir,  spruce  and  cedar  are  some  such
                          trees.                                                                          Fir tree

                    ±  Their (conical) slim and slanting shape makes snow slide off easily.

                    ±  As they do not shed their leaves in winter, they are also called evergreen
                          trees.

                                                            Mangrove Trees
                                                            ±  These plants grow in the marshy                  areas near

                                                                  the seashore (hot and damp places). These
                                                                  plants are adapted to live in the soil that is

                                                                  soaked in water.

                                                            ±  These plants have roots that grow above
                                                                  the soil. Since, the soil is full of water, the

                                Kendalia plant                    roots do not get air to breathe.
                    ±  Roots send special parts to the soil surface to breathe. They are called

                          breathing roots.
                    ±  Some examples are cariops                 and kendalia     .

                    Evergreen Trees

                    ±  These  plants  have  leaves  that  remain  green
                          almost all year round and are called evergreen

                          trees.
                    ±  Some examples are coconut tree                  , rubber tree      and

                          fields of cotton     and rice    near the coastal areas.

                    ±  These plants need plenty of water and sunlight.
                                                                                                       Rubber tree
   27   28   29   30   31   32   33   34   35   36   37