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.
Why do animals depend on plants. Plants give animals the food and shelter they need. Herbivores, which are plant eating animals, rely on plants to provide them with a regular source of food. They also provide shelter to may animals, both large and small.
Both living and non-living things make up the environment. Basic Needs of Animals Pages 40-45 What are the basic needs of animals? Food Water Shelter Oxygen Appropriate climate for survival An animalâs environment helps the animal meet its needs. The environment is everything that surrounds and affects the animal. This includes plants, other animals, rocks, soil, air, climate, and water. Both living and non-living things make up the environment.