In the latter case the resistance is caused by dissipation of mechanical energy when the configuration or the direction of flow is sharply changed, by the formation of vortices and secondary flows as a result of the flow breaking away, by the centrifugal forces, etc.
Animals depend on plants for food as plants produce food and energy which animals can't, so, herbivores eat plants to get energy, carnivores eat herbivores and other carnivores for energy and omnivores eat all four, plants, herbivores, carnivores and also other omnivores for energy.
Plants (*âË-ËË their own food using energy from sunlight. They are called (*âË-ËË*+ . Animals canât make their own food in the way that plants do. They have to get their food by eating plants or eating other animals. Animals are Ëâ&+-%Ë*+ . An animal which eats another animal is a (*ËËË,â* .The animal which gets eaten is its (*Ë1 .A food chain shows what eats what.t is thehabitat for plants which are adapted to salt water and the animalswhich feed on these saltwater plants. R.Ë*ËË&# A riverbank is also a habitat where land meets water but will be thehabitat for a completely different range of plants and animals to theseashore because the water is fresh and not salty.