Locomotion and Movements

Topics: Eukaryote, Animal, Organism Pages: 3 (698 words) Published: August 30, 2014
Locomotion is one of the important characteristics of all living beings as plants and animals. Mostly plants are fixed but some plants move. Plants are fixed but even then they show movements as leaves of plants, touch-me-not show remarkable movements, when touched by hand. The sunflower bends towards the sunlight. During the night time so many plants fold their leaves or close the petals but next morning the leaves and petals are opened normally. Plants like chlamydomonas and volvox changes their places. Animals move from here from there in search of food and shelter. Animals also move from place to place to avoid unfavourable conditions, for mating, to lay eggs, to make their nests (birds). Animals also run very fast to save themselves from predators. Some animals like coral, sponge and sea-anemone do not change their places. Movements mean change the position of body parts in the relation body axis but whole body does not move. For example when limbs are moved, fingers are moved to hold the things. Neck is moved towards the sides to look and tail is moved for different purposes. Locomotion means the position of entire body is changed from one place to another, this takes place due to some reasons such as to obtain food, to get shelter and avoid enemies. Grazing animals, like cow, horse, goat move from place to place, birds fly away, when they are going to be caught, frog jumps into the water when it feels danger. MOVEMENTS IN ANIMALS

There are so many types of animals such as unicellular, small, medium size and very large size animals all show movements either they are aquatic, arboreal or terrestrial. MICROSCROPIC ORGANISMS
Microscopic animals such as Amoeba, Paramecium and euglena show following types of movements. (A) Amoeba: Amoeba is found in water. It shows creeping movements. Locomotory movements of amoeba are brought by the formation of finger like projections called pseudopodia (false feet). Several pseudopodia may project...
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